BMW 2 Series F22Coupé2014–2021
Engine Database
Every engine fitted to the F22 specifically — including the N20 and N55 launch engines, the B48 and B58 replacements, and the S55-powered M2 Competition.
Overview
The F22 is the first generation of the BMW 2 Series coupé, launched in November 2013 as the successor to the E82 1 Series coupé. Designed by Christopher Weil, it introduced a new naming convention for BMW's compact rear-wheel-drive models, reviving the spirit of the legendary BMW 2002. Built on a shortened version of the F30 3 Series platform, the F22 features a 50:50 weight distribution, MacPherson strut front suspension, and a five-link rear setup.
The engine line‑up evolved significantly: the launch N20 four‑cylinder and N55 six‑cylinder were replaced by the more modern B48 and B58 from 2016. The high‑performance M2 (F87) arrived in 2015, with the M2 Competition following in 2018. Production ended in 2021.
Key Facts
Market Intelligence
The 2 Series nameplate generated significant UK engine enquiries in 2025 [BMW-VERIFIED], with the B58-powered M240i representing the majority of F22-related demand based on market patterns.
04Best & Worst Engines
Best Value
B48B20 (230i)
“The B48 four-cylinder delivers 248 bhp — more than the N20 it replaced — with better reliability and fuel economy. It's the sensible choice that doesn't feel sensible: 0–60 in 5.6 seconds and a genuine 40+ mpg on a run.”
Who it's for: buyers who want daily-driver usability with genuine performance.
Highest Risk
N20B20 (early 220i/228i, pre‑2015)
“The N20's timing chain guide wear is well-documented — a failure that can destroy the engine. BMW revised the guides in 2015, but early cars remain a gamble without documented chain work. The plastic charge pipe is another common failure point.”
Who it's for: only buyers with documented timing chain replacement or post‑2015 cars.
Most Expensive Failure
S55 (M2 Competition)
“The S55 is a high‑performance version of the N55 with twin turbos and a closed‑deck block. It's robust for what it is, but parts are expensive, and a full engine replacement can exceed £10,000. The M2 CS's 444 bhp variant is even more costly.”
Who it's for: buyers with deep pockets who want the ultimate F22‑based M car.
Most Overlooked
N55B30T0 (M2, 2015–2018)
“The original M2's N55 is often overshadowed by the later S55‑powered Competition, but it's a more characterful engine — less clinical, more engaging. It's also cheaper to buy and maintain than the S55 cars.”
Who it's for: buyers who want M2 performance on a tighter budget and prefer character over outright pace.
Best Value
B48B20
(230i)
“The B48 four-cylinder delivers 248 bhp — more than the N20 it replaced — with better reliability and fuel economy. It's the sensible choice that doesn't feel sensible: 0–60 in 5.6 seconds and a genuine 40+ mpg on a run.”
Who it's for: buyers who want daily-driver usability with genuine performance.
Highest Risk
N20B20
(early 220i/228i, pre‑2015)
“The N20's timing chain guide wear is well-documented — a failure that can destroy the engine. BMW revised the guides in 2015, but early cars remain a gamble without documented chain work. The plastic charge pipe is another common failure point.”
Who it's for: only buyers with documented timing chain replacement or post‑2015 cars.
Most Expensive Failure
S55
(M2 Competition)
“The S55 is a high‑performance version of the N55 with twin turbos and a closed‑deck block. It's robust for what it is, but parts are expensive, and a full engine replacement can exceed £10,000. The M2 CS's 444 bhp variant is even more costly.”
Who it's for: buyers with deep pockets who want the ultimate F22‑based M car.
Most Overlooked
N55B30T0 (M2, 2015–2018)
“The original M2's N55 is often overshadowed by the later S55‑powered Competition, but it's a more characterful engine — less clinical, more engaging. It's also cheaper to buy and maintain than the S55 cars.”
Who it's for: buyers who want M2 performance on a tighter budget and prefer character over outright pace.
Engine
Typical Mileage
Common Major Failure
Repair Cost (Specialist)
Replacement Cost (Recon)
Ownership Verdict
Pre‑2015 Risk -budget for chain workGood, but Outdated -B58 is betterBest 4‑Cyl -modern and reliableBest F22 Engine -the one to buyCharacterful M Car -cheaper than S55High Power, High Cost -budget for maintenancePre‑2015 Risk -B47 is safer
Best Diesel -modern and reliableEngineTypical MileageCommon Major FailureRepair Cost (Specialist)Replacement Cost (Recon)Ownership VerdictPre‑2015 Risk -budget for chain workGood, but Outdated -B58 is betterBest 4‑Cyl -modern and reliableBest F22 Engine -the one to buyCharacterful M Car -cheaper than S55High Power, High Cost -budget for maintenancePre‑2015 Risk -B47 is saferBest Diesel -modern and reliable
The F22 rule
A £4,500–£7,000 B58 recon against a £10,000–£20,000 M240i sits at 23–70% of the car's value -at the upper end, that brushes our 70% BMW scrap threshold. Against a £15,000+ example, the same recon drops to 30–47% -a repair decision, not a scrap question. For an N20 228i at £8,000–£12,000, a £2,500–£4,500 recon is 21–56% -borderline but often viable for a well‑kept example. Value the car first; if it's a pre‑2015 N20 without timing chain history, walk away or budget for the work immediately.
Key Takeaways
Which F22 Costs Least To Own?
B48B20 (230i) -modern four‑cylinder, no major known issues, cheaper parts than the six‑cylinders.
Which F22 Costs Most To Own?
S55 (M2 Competition) -crank hub risk, expensive parts, high running costs.
Which F22 Is Best Value?
B58B30O0 (M240i) -the definitive F22 engine, modern reliability, strong performance.
N20
Timing Chain Guide Wear (Pre‑2015)
Affected models:
Typical failure mileage:
Root cause:
Our Recommendation
If you're buying a pre‑2015 N20 F22, look for documented timing chain work or budget £1,200–£2,500 immediately. A preventative chain and tensioner replacement is dramatically cheaper than the £2,500+ replacement that follows a failure. On a car worth under £8,000, evaluate carefully before committing.
N55
Oil Leaks & Charge Pipe Failure (M235i, M2)
Affected models:
Typical failure mileage:
Root cause:
Our Recommendation
If your N55 develops oil leaks or a loss of boost, have it inspected immediately -a £500–£1,200 gasket and charge pipe repair is far cheaper than the £4,000+ replacement that follows a catastrophic failure. On an M235i worth over £12,000, this is a manageable cost of ownership.
S55
Crank Hub Spin (M2 Competition)
Affected models:
Typical failure mileage:
Root cause:
Our Recommendation
If you're buying an M2 Competition, budget for a crank hub fix if the car is modified or you plan to modify it -£1,800–£3,000 is cheaper than the £6,000+ replacement that follows a failure. On a stock car, it's a risk you can manage, but the peace of mind is worth the cost.
N47
Timing Chain (Pre‑2015 Diesel)
Affected models:
Typical failure mileage:
Root cause:
Our Recommendation
At the first sign of cold‑start rattle, get the chain inspected immediately -a £650–£1,800 preventative repair is dramatically cheaper than the £3,200+ replacement that follows if ignored. On an F22 worth under £8,000, this decision alone determines whether the car stays economically viable.
VariantEngine Code
Used (Supply)
Reconditioned (Supply)
Rebuilt (Supply)
Labour Hours
Most Requested Engines (2025)
Most Requested Variants
Average Replacement Cost
£3,500–£6,500 (reconditioned, supply only)
[BMW-QUOTE]
Most Common Failures
Live FeedBMW M240i F22
B58
Manchester
PCV valve failure, rough idle3
enquiries
Updated MonthlyBMW 230i F22
B48
LondonCoolant loss, water pump2
enquiries
Updated MonthlyBMW M2 Competition F87
S55
BirminghamCrank hub investigation2
enquiries
Updated MonthlyMost Requested Engines (2025)
Most Requested Variants
Average Replacement Cost
£3,500–£6,500 (reconditioned, supply only)
[BMW-QUOTE]
Most Common Failures
Most Requested Engines (2025)
Most Requested Variants
Average Replacement Cost
£3,500–£6,500 (reconditioned, supply only)
[BMW-QUOTE]
Most Common Failures
Most Requested Engines (2025)
Most Requested Variants
Average Replacement Cost
£3,500–£6,500 (reconditioned, supply only)
[BMW-QUOTE]
Most Common Failures
Most Requested Engines (2025)
Most Requested Variants
Average Replacement Cost
£3,500–£6,500 (reconditioned, supply only)
[BMW-QUOTE]
Most Common Failures
Most Requested Engines (2025)
Most Requested Variants
Average Replacement Cost
£3,500–£6,500 (reconditioned, supply only)
[BMW-QUOTE]
Most Common Failures
Live FeedBMW M240i F22
B58
ManchesterPCV valve failure, rough idle3
enquiries
BMW 230i F22
B48
LondonCoolant loss, water pump2
enquiries
BMW M2 Competition F87
S55
BirminghamCrank hub investigation2
enquiries
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