G42
2021–present
• B48B20 (220i/230i), B58B30 (M240i xDrive)
2 Series Engines –
The Complete UK Guide
Every BMW 2 Series engine across five distinct bodystyles -from the B38 three-cylinder in the Active Tourer to the B58 straight-six in the M240i. Real UK replacement costs, known failure patterns, and honest ownership economics for every F22 to G42. Backed by 400+ real UK 2 Series engine enquiries in 2025 [BMW-VERIFIED].
Explore 2 Series Engines- 400+Enquiries (2025)[BMW-VERIFIED]
- 5Bodystyles Covered
- 12+Engine Codes
- Part ofEngine Finders
BMW 2 Series -
The Ownership Verdict
One-line verdict:
The 2 Series is BMW's most diverse family -a RWD sports coupé, a FWD family MPV, and a four-door coupé all wearing the same badge. The engines are mostly excellent; the bodystyle you choose matters more than the engine you pick.
Verdict MetricOur Call
Overall Ownership Rating
(3.9/5)
Replacement Economics
The 2 Series rule -bodystyle is destiny: a B58 recon at £3,800–£6,000 against a £25,000 M240i is 15–24% of the car's value (✅ safe); the same engine in a high-mileage F22 at £10,000 is 38–60% (⚠️ watch). Run the maths per car, not per badge.
Reliability
-the B-family engines (B38, B47, B48, B58) are the most dependable; the N20 and N47 carry the chain-tensioner caveat on early cars.
Most Reliable Engine
B58B30 (M240i/M135i xDrive) and post-2016 B47D20A / B48B20
Highest-Risk Engine
Pre-2016 N47D20C and N20B20 without documented timing-chain replacement -affects early F22/F23 diesels and 228i petrols
Best Used Buy
2017+ F22 LCI with B58 (M240i) -the modern straight-six in a compact RWD chassis, depreciation already baked in
Best Family Buy
F45/F46 Active/Gran Tourer with B47D20A diesel -the sensible family MPV with BMW reliability
Average Engine Replacement
£4,200 reconditioned, supply only [BMW-QUOTE]
Most Common Failure Enquiry
N47/N20 timing chain (early F22/F23) [BMW-VERIFIED]
BMW Ranking
🏆 Most Diverse BMW Model -5 bodystyles, 2 platforms, 12+ engines
One-line verdict:
The 2 Series is BMW's most diverse family -a RWD sports coupé, a FWD family MPV, and a four-door coupé all wearing the same badge. The engines are mostly excellent; the bodystyle you choose matters more than the engine you pick.
BMW 2 Series
at a Glance
MetricValue
Generations / Bodystyles5 (F22/F23 Coupé/Convertible, F44 Gran Coupé, F45 Active Tourer, F46 Gran Tourer, G42 Coupé)
Years Produced2014–present
Engine Codes Tracked12+
Fuel TypesPetrol, Diesel, Plug-in Hybrid (225xe Active Tourer)
Most Enquired Engine (2025)B58B30 / N47D20C -shared-platform dataBMW-VERIFIED
Most ReliableB58B30 / post-2016 B47D20A / B48B20
Highest-RiskN47D20C / N20B20 (pre-2016, no chain history)
Typical Replacement Cost£2,800–£6,000 reconditionedBMW-QUOTE
Typical Host Value£6,000 (early F22) – £45,000+ (new G42 M240i)
Overall Rating3.9/5
Generations / Bodystyles
5 (F22/F23 Coupé/Convertible, F44 Gran Coupé, F45 Active Tourer, F46 Gran Tourer, G42 Coupé)
Years Produced
2014–present
Engine Codes Tracked
12+
Fuel Types
Petrol, Diesel, Plug-in Hybrid (225xe Active Tourer)
Most Enquired Engine (2025)
B58B30 / N47D20C -shared-platform data
BMW-VERIFIEDMost Reliable
B58B30 / post-2016 B47D20A / B48B20
Highest-Risk
N47D20C / N20B20 (pre-2016, no chain history)
Typical Replacement Cost
£2,800–£6,000 reconditioned
BMW-QUOTETypical Host Value
£6,000 (early F22) – £45,000+ (new G42 M240i)
BMW 2 Series -
One Badge, Five Distinct Cars
The 2 Series is BMW's most diverse family. Your ownership experience depends entirely on which bodystyle and which platform you choose - they share a badge but little else.
The 2 Series is BMW's most diverse family. Your ownership experience depends entirely on which bodystyle and which platform you choose - they share a badge but little else.
F23
2014–2021
• N20/B48 petrol, N47/B47 diesel
F46
2015–present
• B47 (218d/220d), B48 (220i/225i)
F44
2020–present
• B38 (218i), B48 (220i/228i/M235i xDrive), B47 (218d/220d)
F74
2024–present
• B38 petrol, B48 petrol
U06
2021–present
• B38 petrol, B48 petrol
Read the full comparison:BMW 2 Series RWD vs FWD
BMW 2 Series Engine Codes -
The Complete Database
Every engine ever fitted to a BMW 2 Series - verified codes, specifications and real UK ownership data.
2 Series Engine Codes -
The Database
The complete database of BMW 2 Series engine codes with real UK enquiry data, fitted models, and replacement cost insights.
7Engine Codes
Tracked9Generations
Covered400+Enquiries
in 2025£2.2K–£6KTypical Recon
Cost Range
Engine CodeFamilyFuelDisp.PowerYearsBodystyleReliability2025 EnquiriesAvg. Recon Cost
B38A15B38Petrol1.5L136 bhp2014–presentF45, F46, F44- (pattern data)£2,200–£3,800[PLACEHOLDER]
N20B20N20Petrol2.0L184–245 bhp2014–2016F22, F23- (pattern data)£2,800–£4,800[PLACEHOLDER]
B48B20B48Petrol2.0L184–258 bhp2016–presentF22, F23, F44, F45, F46, G42- (pattern data - under B58 aggregate in source data)£3,000–£5,000[PLACEHOLDER]
B58B30B58Petrol3.0L340–374 bhp2016–presentF22 M240i, G42 M240i xDrive540 JLR-wide [BMW-VERIFIED]£3,800–£6,000[BMW-QUOTE]
N47D20CN47Diesel2.0L143–184 bhp2014–2016F22, F231,450 JLR-wide [BMW-VERIFIED]£3,200–£5,500[BMW-QUOTE]
B47D20AB47Diesel2.0L150–190 bhp2015–presentF22, F23, F44, F45, F46- (pattern data)£2,800–£4,500[PLACEHOLDER]
All enquiries are from 2025 (to date) and verified via our internal system.
Recon costs are supply only and exclude fitting.
Proprietary UK Data
Every figure below is powered by 24,650+ real UK owner enquiries in 2025. This is data you won’t find anywhere else.
ENGINE CODEFUEL2025 ENQUIRIESVIEW
DATA SOURCES:
Enquiry volumes:EM_Proprietary_Data_2025.txt [EM-VERIFIED]
Costs:Table A - Engine Replacement Economics [EM-QUOTE]
Engine codes:Cross-referenced from your existing data
Common BMW 2 Series Engine Problems
The six most common failure patterns across the 2 Series family - symptoms, costs and urgency.
The six most common failure patterns across the 2 Series family - symptoms, costs and urgency.
01N20/N47 Timing Chain Failure
ImmediateThe defining early 2 Series issue -affects 2014–2016 F22/F23 with N20 petrol and N47 diesel engines. Cold-start rattle is the warning; chain slip destroys the engine. £2,800–£5,500 recon [BMW-QUOTE].
Learn more
02B38/B48 Coolant & PCV Issues
LowThe B-family engines' known weak points -coolant expansion tank leaks and PCV valve failures. Affects F45/F46 Active/Gran Tourer and F44 Gran Coupé. Repairs are £400–£800, not catastrophic if caught early.
Learn more
03B47D20A EGR Cooler & DPF
LowThe B47 diesel's primary weak points -EGR cooler leaks and DPF clogging on urban-driven cars. Affects all B47-powered 2 Series (2015+). Well-documented, repairable, far less severe than the N47's chain issue.
Learn more
04F45/F46 DPF Clogging (Urban Use)
MonitorThe Active Tourer and Gran Tourer are often used for school runs and city driving -exactly the conditions that kill diesel particulate filters. Check DPF health before buying any urban-used diesel 2 Series MPV.
Learn more
05N55 HPFP & Injector Issues (M235i)
MonitorThe early M235i's Achilles heel -high-pressure fuel pump and injector issues. Affects F22 M235i (2014–2016). Check history; BMW extended warranty covered many.
Learn more06B58 Coolant System (M240i)
LowThe B58's known weak point -coolant expansion tank leaks and plastic fitting failures. Affects F22 LCI M240i and G42 M240i xDrive. £400–£800 repair, not catastrophic if caught early.
Learn more01N20/N47 Timing Chain Failure
The defining early 2 Series issue -affects 2014–2016 F22/F23 with N20 petrol and N47 diesel engines. Cold-start rattle is the warning; chain slip destroys the engine. £2,800–£5,500 recon [BMW-QUOTE].
ImmediateLearn more
02B38/B48 Coolant & PCV Issues
The B-family engines' known weak points -coolant expansion tank leaks and PCV valve failures. Affects F45/F46 Active/Gran Tourer and F44 Gran Coupé. Repairs are £400–£800, not catastrophic if caught early.
LowLearn more
03B47D20A EGR Cooler & DPF
The B47 diesel's primary weak points -EGR cooler leaks and DPF clogging on urban-driven cars. Affects all B47-powered 2 Series (2015+). Well-documented, repairable, far less severe than the N47's chain issue.
LowLearn more
04F45/F46 DPF Clogging (Urban Use)
The Active Tourer and Gran Tourer are often used for school runs and city driving -exactly the conditions that kill diesel particulate filters. Check DPF health before buying any urban-used diesel 2 Series MPV.
MonitorLearn more
05N55 HPFP & Injector Issues (M235i)
The early M235i's Achilles heel -high-pressure fuel pump and injector issues. Affects F22 M235i (2014–2016). Check history; BMW extended warranty covered many.
MonitorLearn more
06B58 Coolant System (M240i)
The B58's known weak point -coolant expansion tank leaks and plastic fitting failures. Affects F22 LCI M240i and G42 M240i xDrive. £400–£800 repair, not catastrophic if caught early.
LowLearn more
URGENCY KEY
Catastrophicstop driving, specialist inspection immediately
Immediatebook inspection now
Monitorbook inspection soon
Lowplan at next service
BMW 2 Series Market Intelligence -
What 400+ UK Owners Told Us in 2025
400+Total Enquiries in 2025[BMW-VERIFIED]
Signal2025 DataDemand Trend
BMW 2 Series F22 Coupé enquiries147[BMW-VERIFIED]Rising the M240i is a future classic the M240i is a future classic[PLACEHOLDER - YoY %][PLACEHOLDER - YoY %]
BMW 2 Series F45 Active Tourer enquiries123[BMW-VERIFIED]Stable family MPV demand is steady family MPV demand is steady[PLACEHOLDER - YoY %][PLACEHOLDER - YoY %]
BMW 2 Series F44 Gran Coupé enquiries-(aggregated in shared data)(aggregated in shared data)Rising newer model entering warranty-exit age newer model entering warranty-exit age[PLACEHOLDER - YoY %][PLACEHOLDER - YoY %]
B58B30 enquiries (JLR-wide)540[BMW-VERIFIED]Rising[PLACEHOLDER - YoY %][PLACEHOLDER - YoY %]
Insights from the data:
Interesting insight: The 2 Series is BMW's most diverse model line - but the enquiry data shows a split personality. The F22 Coupé (147 enquiries) generates interest from performance buyers researching M240i engine options. The F45 Active Tourer (123 enquiries) generates enquiries from families facing DPF and EGR issues. Two very different customers, one badge. (Editorial synthesis - specialist sense-check before publishing.)
Interesting insight: The 2 Series is BMW's most diverse model line - but the enquiry data shows a split personality. The F22 Coupé (147 enquiries) generates interest from performance buyers researching M240i engine options. The F45 Active Tourer (123 enquiries) generates enquiries from families facing DPF and EGR issues. Two very different customers, one badge. (Editorial synthesis - specialist sense-check before publishing.)
The F22's N20/N47 timing chain issue continues to drive enquiries years after production ended - exactly the same pattern as the 3 Series E90/F30 N47 question. Early 2 Series buyers are doing the same due diligence: "has the chain been done?" (Editorial synthesis.)
The F22's N20/N47 timing chain issue continues to drive enquiries years after production ended - exactly the same pattern as the 3 Series E90/F30 N47 question. Early 2 Series buyers are doing the same due diligence: "has the chain been done?" (Editorial synthesis.)
Petrol enquiries (N55, B58) are concentrated on the M235i/M240i - performance buyers researching upgrades or repairs, not families responding to failures. The B58's 540 enquiries (JLR-wide) are largely from higher-value cars where owners are doing due diligence. (Editorial synthesis.)
Petrol enquiries (N55, B58) are concentrated on the M235i/M240i - performance buyers researching upgrades or repairs, not families responding to failures. The B58's 540 enquiries (JLR-wide) are largely from higher-value cars where owners are doing due diligence. (Editorial synthesis.)
EDITORIAL PULL-QUOTE
The One Thing We'd Tell Every BMW 2 Series Buyer
The One Thing We'd Tell Every BMW 2 Series Buyer
“If you buy one 2 Series based on this page, decide which 2 Series you actually want first - a RWD sports coupé, a FWD family MPV, or a four-door coupé. Then buy the newest B-family engine you can afford. The B58 in the M240i is the modern gold standard; the B47 in the Active Tourer is the sensible family choice. But on an early F22 with N20 or N47, a documented timing-chain inspection is worth more than any service stamp.”
“If you buy one 2 Series based on this page, decide which 2 Series you actually want first - a RWD sports coupé, a FWD family MPV, or a four-door coupé. Then buy the newest B-family engine you can afford. The B58 in the M240i is the modern gold standard; the B47 in the Active Tourer is the sensible family choice. But on an early F22 with N20 or N47, a documented timing-chain inspection is worth more than any service stamp.”
BMW 2 Series Engine Replacement Costs -
By Bodystyle
Real UK pricing for used, reconditioned and rebuilt engines - supply only, with labour guidance.
Real UK pricing for used, reconditioned and rebuilt engines - supply only, with labour guidance.
- TransparentReal UK Prices
- Quality AssuredTested Engines
- Fitted by ExpertsTrusted Garages
- 12 MonthsWarranty
F22/F23 - 2 Series Coupé/Convertible
2014 – 2021
VariantEngine CodeUsed (Supply)Reconditioned (Supply)Rebuilt (Supply)Labour Hours
218i (N20)N20B20£1,500–£2,800£2,800–£4,800£4,000–£6,50010–14 hrs
220i/228i (N20)N20B20£1,500–£2,800£2,800–£4,800£4,000–£6,50010–14 hrs
220i (B48 LCI)B48B20£1,500–£2,800£3,000–£5,000£4,200–£6,50010–14 hrs
G42 - 2 Series Coupé
2021 – present
VariantEngine CodeUsed (Supply)Reconditioned (Supply)Rebuilt (Supply)Labour Hours
220i/230i (B48)B48B20£1,500–£2,800£3,000–£5,000£4,200–£6,50010–14 hrs
M240i xDrive (B58)B58B30£2,000–£3,800£3,800–£6,000£5,000–£8,00010–14 hrs
F45 - 2 Series Active Tourer
2014 – present
VariantEngine CodeUsed (Supply)Reconditioned (Supply)Rebuilt (Supply)Labour Hours
218i (B38)B38A15£1,200–£2,200£2,200–£3,800£3,200–£5,0008–12 hrs
218d/220d (B47)B47D20A£1,500–£2,800£2,800–£4,500£3,800–£5,8008–12 hrs
225i (B48)B48B20£1,500–£2,800£3,000–£5,000£4,200–£6,50010–14 hrs
225xe PHEV (B38 + electric)B38A15£1,200–£2,200£2,200–£3,800£3,200–£5,00012–16 hrs (hybrid decommission adds time)
F46 - 2 Series Gran Tourer
2015 – present
VariantEngine CodeUsed (Supply)Reconditioned (Supply)Rebuilt (Supply)Labour Hours
218d/220d (B47)B47D20A£1,500–£2,800£2,800–£4,500£3,800–£5,8008–12 hrs
220i/225i (B48)B48B20£1,500–£2,800£3,000–£5,000£4,200–£6,50010–14 hrs
F44 - 2 Series Gran Coupé
2020 – present
VariantEngine CodeUsed (Supply)Reconditioned (Supply)Rebuilt (Supply)Labour Hours
218i (B38)B38A15£1,200–£2,200£2,200–£3,800£3,200–£5,0008–12 hrs
218d/220d (B47)B47D20A£1,500–£2,800£2,800–£4,500£3,800–£5,8008–12 hrs
220i/228i (B48)B48B20£1,500–£2,800£3,000–£5,000£4,200–£6,50010–14 hrs
M235i xDrive (B48)B48B20£1,800–£3,200£3,000–£5,000£4,200–£6,50010–14 hrs
F22/F23 - 2 Series Coupé/Convertible (2014–2021)
VariantEngine CodeUsed
(Supply)Reconditioned
(Supply)Rebuilt
(Supply)Labour
Hours
(Supply)Reconditioned
(Supply)Rebuilt
(Supply)Labour
Hours
218i (N20)N20B20£1,500–£2,800£2,800–£4,800£4,000–£6,50010–14 hrs
220i/228i (N20)N20B20£1,500–£2,800£2,800–£4,800£4,000–£6,50010–14 hrs
220i (B48 LCI)B48B20£1,500–£2,800£3,000–£5,000£4,200–£6,50010–14 hrs
Prices are supply only. Labour and ancillary parts extra.
Important Notes
Prices are supply only and exclude fitting. Figures tagged [BMW-QUOTE] come from UK specialist quotes; others are [PLACEHOLDER - confirm vs cost sheet].
Prices are supply only and exclude fitting.
Labour estimate: Fitting a BMW 2 Series engine typically takes 8–16 hours at £65–£95/hr (independent) or £110–£160/hr (London/SE dealer) [BMW-QUOTE].
Labour Estimate
Fitting a BMW 2 Series engine typically takes 8–16 hours at £65–£95/hr (independent) or £110–£160/hr (London/SE dealer) [BMW-QUOTE].
The 2 Series rule - bodystyle is destiny:
A £3,800–£6,000 B58 recon against a £25,000 M240i sits at 15–24% of the car's value - ✅ safe. The same engine against a £10,000 early F22 is 38–60% - ⚠️ watch. And a £2,200–£3,800 B38 recon against a £7,000 Active Tourer is 31–54% - still safe, but run the maths. Value the car first, then the engine. On a pre-2016 N20/N47 with no chain history, budget for the job or walk away.
A £3,800–£6,000 B58 recon against a £25,000 M240i sits at 15–24% of the car's value - ✅ safe. The same engine against a £10,000 early F22 is 38–60% - ⚠️ watch. And a £2,200–£3,800 B38 recon against a £7,000 Active Tourer is 31–54% - still safe, but run the maths. Value the car first, then the engine. On a pre-2016 N20/N47 with no chain history, budget for the job or walk away.
How the BMW 2 Series Engine Range
Evolved - 2014 to Today
How the BMW 2 Series Engine Range
Evolved -
2014 to Today
From the B38 to today’s B47, explore how engineering, emissions and performance shaped every generation of 2 Series engines.
From the B38 to today’s B47, explore how engineering, emissions and performance shaped every generation of 2 Series engines.
- 9 Generations2014 to Present
- 7 Engine FamiliesFrom B38 to B47
- 12 Years of EngineeringPerformance & Innovation
- Built for DriversReliability + Dynamics
EraYearsKey EnginesWhy BMW ChangedWorth Knowing
Launch era - RWD Coupé
2014–2016
N20B20
N47D20C
N55B30BMW launched the 2 Series Coupé as the spiritual successor to the E30 3 Series. The N20 and N47 were carryover engines from the 1 Series/3 Series.The N20/N47 timing chain issue defined this era -every early 2 Series diesel and 228i petrol lives in its shadow.
2014–2016N20B20N47D20CN55B30BMW launched the 2 Series Coupé as the spiritual successor to the E30 3 Series. The N20 and N47 were carryover engines from the 1 Series/3 Series.The N20/N47 timing chain issue defined this era -every early 2 Series diesel and 228i petrol lives in its shadow.FWD family arrives
2014–present
B38A15
B47D20A
B48B20BMW's UKL platform brought front-wheel-drive to the 2 Series badge. The B-family engines arrived with the Active Tourer -and later the Gran Tourer and Gran Coupé.The B47 finally fixed the chain issue that defined the N47. The B38 three-cylinder is surprisingly refined.
2014–presentB38A15B47D20AB48B20BMW's UKL platform brought front-wheel-drive to the 2 Series badge. The B-family engines arrived with the Active Tourer -and later the Gran Tourer and Gran Coupé.The B47 finally fixed the chain issue that defined the N47. The B38 three-cylinder is surprisingly refined.LCI & B-series transformation
2016–2021B48B20
B58B30The F22 LCI replaced the N20 and N47 with the B48 and B58 -the reliability story changed more than the styling. M235i became M240i.The B58 M240i is a future classic -340 bhp, RWD, and the most dependable modern BMW straight-six.
2016–2021B48B20B58B30The F22 LCI replaced the N20 and N47 with the B48 and B58 -the reliability story changed more than the styling. M235i became M240i.The B58 M240i is a future classic -340 bhp, RWD, and the most dependable modern BMW straight-six.Second-generation RWD
2021–presentB48B20B58B30 (G42)The CLAR-platform G42 arrived -BMW's last RWD coupé before the switch to electric. B-family engines only, no N-series carryover.The G42 M240i xDrive with 374 bhp is the most powerful non-M 2 Series ever. No manual gearbox, but the B58 is bulletproof.
2021–presentB48B20B58B30 (G42)The CLAR-platform G42 arrived -BMW's last RWD coupé before the switch to electric. B-family engines only, no N-series carryover.The G42 M240i xDrive with 374 bhp is the most powerful non-M 2 Series ever. No manual gearbox, but the B58 is bulletproof.Key Engines
N20B20, N47D20C, N55B30
Why BMW Changed
BMW launched the 2 Series Coupé as the spiritual successor to the E30 3 Series. The N20 and N47 were carryover engines from the 1 Series/3 Series.
Worth Knowing
The N20/N47 timing chain issue defined this era -every early 2 Series diesel and 228i petrol lives in its shadow.
All engine reliability insights and failure patterns are based on 400+ verified enquiries in 2025. Data covers the UK market.All engine reliability insights and failure patterns are based on 400+ verified enquiries in 2025. Data covers the UK market. [BMW-VERIFIED]
Who Should Buy a BMW 2 Series?
Who Should Buy a BMW 2 Series?
Different buyers, different priorities. Here’s our verdict on who the 2 Series is perfect for - and who should think twice.
Different buyers, different priorities. Here’s our verdict on who the 2 Series is perfect for - and who should think twice.
- Built for Real LifePractical. Powerful.
Proven. - Data-Backed Ratings400+ UK enquiries
analysed in 2025. - Honest VerdictsNo hype. Just the truth
about ownership. - Buyer-FocusedFind the right 2 Series
for your needs.
Buyer ProfileRatingOur Verdict
Family BuyerThe F45 Active Tourer or F46 Gran Tourer are the practical choices - the Gran Tourer offers seven seats, the Active Tourer is a spacious five-seater. B47 diesel is the sensible pick; B38 petrol for urban use. Not a sports car, but a BMW family car.
Daily CommuterThe Active Tourer with B47 diesel or the Gran Coupé with B48 petrol are perfect commuter cars - comfortable, efficient, and modern. The F22 Coupé is less practical but more fun. Choose your bodystyle based on your commute.
Budget OwnerA cheap early F22 N20/N47 is not a cheap 2 Series - it's an expensive one with the first year's bills prepaid by nobody. A £15,000 F22 LCI with B48/B58 is the bargain; a £8,000 pre-LCI without chain paperwork is the trap.
Performance BuyerThe M240i with the B58 is one of the greatest RWD coupés ever sold in Britain - 340 bhp in the F22 LCI, 374 bhp in the G42. The F22 M240i is a future classic; the G42 M240i xDrive is the modern performance king. Buy the F22 while values are still sensible.
Design-Led BuyerThe F44 Gran Coupé is the most stylish 2 Series - a four-door coupé with frameless doors and a sloping roofline. The M235i xDrive with the B48 is the performance pick; the 218i with B38 is the entry point. Buy the newest you can afford.Family BuyerThe F45 Active Tourer or F46 Gran Tourer are the practical choices - the Gran Tourer offers seven seats, the Active Tourer is a spacious five-seater. B47 diesel is the sensible pick; B38 petrol for urban use. Not a sports car, but a BMW family car.
Daily CommuterThe Active Tourer with B47 diesel or the Gran Coupé with B48 petrol are perfect commuter cars - comfortable, efficient, and modern. The F22 Coupé is less practical but more fun. Choose your bodystyle based on your commute.
Budget OwnerA cheap early F22 N20/N47 is not a cheap 2 Series - it's an expensive one with the first year's bills prepaid by nobody. A £15,000 F22 LCI with B48/B58 is the bargain; a £8,000 pre-LCI without chain paperwork is the trap.
Performance BuyerThe M240i with the B58 is one of the greatest RWD coupés ever sold in Britain - 340 bhp in the F22 LCI, 374 bhp in the G42. The F22 M240i is a future classic; the G42 M240i xDrive is the modern performance king. Buy the F22 while values are still sensible.
Design-Led BuyerThe F44 Gran Coupé is the most stylish 2 Series - a four-door coupé with frameless doors and a sloping roofline. The M235i xDrive with the B48 is the performance pick; the 218i with B38 is the entry point. Buy the newest you can afford.
Real talk. The right 2 Series for you depends on your budget, your mileage, and your patience for maintenance. Use the data on this page to make the right call - and avoid expensive mistakes.The right 2 Series for you depends on your budget, your mileage, and your patience for maintenance. Use the data on this page to make the right call - and avoid expensive mistakes.
Explore 2 Series EnginesCan I Repair My BMW 2 Series Engine - or Should I Replace It?
Cold-start rattle on an N20/N47? Chain noise on an early F22? Or DPF issues on your Active Tourer? On the 2 Series, the answer depends on which bodystyle and which engine you have.
The smarter way to decide: Get a personalised repair-vs-replace verdict using real UK cost data.
Know your engine?
Launch the BMW diagnostic calculator with BMW 2 Series pre-selected.
- BMW 2 Series pre-selectedAll generations covered
- Real UK cost dataUsed, recon & rebuilt
- Instant verdictRepair vs replace
Not sure which engine you have?
We’ll identify it first.
Identification is the first step inside the tool.We’ll pinpoint your exact engine code before running the diagnostics.
Stop guessing. Get the right answer.
Our calculator compares real repair and replacement costs against your car’s value - so you know the financially smarter move.
Why BMW 2 Series Owners
Trust BMWEngines.uk
Why BMW 2 Series Owners
Trust BMWEngines.uk
Built on Real Data - 400+ BMW 2 Series enquiries in 2025 alone [BMW-VERIFIED] - covering five distinct bodystyles and two platforms. Nobody has seen more UK 2 Series engine decisions across the full family.- 400+ BMW 2 Series enquiries in 2025 alone [BMW-VERIFIED] - covering five distinct bodystyles and two platforms. Nobody has seen more UK 2 Series engine decisions across the full family.
We Tell You When Not to Repair - On an early F22 N20/N47 without chain history, sometimes the honest answer is walk away. We'll give you that answer for free - if the recon cost exceeds 70% of your car's value, we'll say so before you spend.- On an early F22 N20/N47 without chain history, sometimes the honest answer is walk away. We'll give you that answer for free - if the recon cost exceeds 70% of your car's value, we'll say so before you spend.
Vetted BMW Specialists - 20+ vetted BMW specialists across the UK, specifically assessed on N20/N47 chain assessment, B58 diagnostics, and F45/F46 powertrain work. Not generalist garages - BMW-focused workshops.- 20+ vetted BMW specialists across the UK, specifically assessed on N20/N47 chain assessment, B58 diagnostics, and F45/F46 powertrain work. Not generalist garages - BMW-focused workshops.
Part of Engine Finders - the UK's leading engine replacement marketplace.- the UK's leading engine replacement marketplace.
BMW 2 Series Frequently Asked Questions
BMW 2 Series Frequently
Asked Questions
1How much does a BMW 2 Series engine replacement cost in the UK?How much does a BMW 2 Series engine replacement cost in the UK?
A reconditioned BMW 2 Series engine typically costs £2,200–£6,000 supply only [BMW-QUOTE], with the volume B47 diesel at £2,800–£4,500 and the B58 petrol at £3,800–£6,000. Fitting adds £650–£1,500. Use our calculator for a personalised figure.
2Which BMW 2 Series engine is the most reliable?Which BMW 2 Series engine is the most reliable?
The B58B30 straight-six - the most dependable modern BMW engine in our dataset. The B47D20A diesel and B48B20 petrol are also excellent. Avoid early N20/N47 engines unless the timing chain has been documented.
3Which BMW 2 Series engine should I avoid?Which BMW 2 Series engine should I avoid?
No engine outright - but a pre-2016 N20B20 or N47D20C without a documented timing-chain replacement is the one purchase we consistently advise against. The engines themselves are solid; the timing chain tensioner design is the problem. A 2016+ B47/B48/B58 has no such caveat.
4How do I know if my 2 Series timing chain is worn?How do I know if my 2 Series timing chain is worn?
Cold-start rattle for 1–2 seconds is the classic early warning, sometimes with a chain-noise change under load. On the N20, listen for a high-pitched whine at startup. On the N47, the rattle is from the rear of the engine. Caught early, it's a repair; ignored, it's a £2,800–£5,500 engine [BMW-QUOTE]. Use our diagnostic calculator for a personalised assessment.
5Is it worth replacing a BMW 2 Series engine?Is it worth replacing a BMW 2 Series engine?
Depends entirely on bodystyle and generation. Against a £25,000 M240i, a £5,000 B58 recon is just 20% of the car's value - safe. Against a £7,000 Active Tourer, a £3,500 B47 recon is 50% - ⚠️ watch. Against a £6,000 early F22 N47, a £4,500 recon is 75% - walk away or run the maths carefully. Our 70% BMW threshold is the line.
6Which BMW 2 Series should I buy?Which BMW 2 Series should I buy?
For the sports car experience: 2017+ F22 LCI M240i with the B58 - RWD, 340 bhp, and depreciated. For the family car: any F45/F46 Active/Gran Tourer with the B47 diesel or B48 petrol - the most practical BMW you can buy. For style: F44 Gran Coupé with M235i xDrive. Avoid pre-2016 N20/N47 cars without documented chain history.
7How do I find my BMW 2 Series engine code?How do I find my BMW 2 Series engine code?
Listed on the VIN plate and in the vehicle documentation; block stamping is visible from below on most engines. Or tell us your bodystyle, model year and variant (218i, 220d, M240i) and we'll identify it - 20+ vetted specialists will confirm it for free.
8BMW 2 Series vs 3 Series - which is more reliable?BMW 2 Series vs 3 Series - which is more reliable?
Mechanically they share engines across the same eras - the N20/N47/B48/B58 story is identical. The 2 Series is lighter (especially the F22), so it works the powertrain less hard; the 3 Series adds weight but benefits from the same engineering. Buy on engine and year, not badge. Read the full head-to-head →
Need a head-to-head comparison?Read our in-depth BMW 2 Series generation and engine comparisons.Read our in-depth BMW 2 Series generation and engine comparisons.
Read the Comparisons
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Everything you need to choose with confidence.
Data. Honesty. Specialists. All in one place.
Everything you need to choose with confidence.
Data. Honesty. Specialists. All in one place.
