Which BMW 2 Series Active Tourer U06 engine is the most reliable?

The B48A20P 2.0-litre four-cylinder petrol and the B38A15P 1.5-litre three-cylinder petrol are the most reliable options -both are proven, well-understood designs with fewer major failure modes than the PHEV variants. The B47 diesel is also reliable, though the EGR cooler is a known weak point [PROVISIONAL -pending dedicated Engine Page].

What are the common problems with the BMW 2 Series Active Tourer U06?

Cooling system leaks on the B38 and B48 petrol engines are the most common issue -water pump and hose replacement is routine maintenance. The B47 diesel can suffer from EGR cooler failure. The PHEV variants may experience battery degradation over time. The 48V mild-hybrid system on the 220i can develop issues.

Is the BMW 2 Series Active Tourer U06 reliable?

Yes, the U06 is generally reliable -it uses BMW's proven B-family engines that have been in production for several years. The petrol engines are particularly robust. The PHEV variants are more complex but early reliability is promising. The U06's FAAR platform is shared with the F40 1 Series, which has a good reliability record.

Which BMW 2 Series Active Tourer U06 engine should I avoid?

No engine is a hard avoid, but the PHEV variants require careful consideration -the battery and electric motor add significant complexity, and battery degradation is a long-term risk. If you're buying used, get a battery health report before committing. The 48V MHEV system on the 220i also adds complexity versus the non-MHEV 218i.

How do I know if my U06 engine needs replacing?

Coolant loss is the key warning sign on B38 and B48 engines -investigate any drop in coolant level immediately. On B47 diesels, reduced performance or warning lights may indicate EGR cooler failure. On PHEVs, reduced electric range is the main sign of battery degradation. Use our diagnostic tool for a personalised assessment.

Is it worth replacing a BMW 2 Series Active Tourer U06 engine, or should I scrap the car?

Depends on the car's value. Against a well-kept £15,000 U06, a £2,800–£6,000 B47 recon is 19–40% -safe. Even on a lower-value £12,000 example, the same recon is 23–50% -well within our 70% BMW scrap threshold [BMW-VERIFIED]. The U06's strong retained values mean engine replacement is almost always viable.

How long do BMW 2 Series Active Tourer U06 engines last?

The B38, B48 and B47 engines can exceed 150,000 miles with proper servicing -cooling system maintenance is the key to longevity on the petrols, while EGR cooler care is important on the diesels. The PHEV battery is rated for approximately 1,500–2,000 charge cycles before significant degradation.

What is the difference between the U06 and the F45 2 Series Active Tourer?

The U06 (2021–present) is the second-generation Active Tourer, built on BMW's FAAR platform with updated B-family engines and MHEV/PHEV technology. The F45 (2014–2021) was the first generation, built on the UKL platform with older N-family engines. The U06 is larger, more refined, and has more advanced engine technology.

How do I find my BMW 2 Series Active Tourer U06 engine code?

Listed on the VIN plate and vehicle documentation; the engine code is also stamped on the engine block. Tell us your variant (216i, 218i, 220i, 223i, 218d, 220d, 223d, 225e, or 230e) and we'll identify it -20+ vetted BMW specialists will confirm it for free.

U06 Engine Replacement Cost UK -Compare Quotes

Name: BMW 2 Series Active Tourer U06 UK Engine Enquiry Data 2025
Creator: BMWEngines.uk

BMW 2 Series Active Tourer U06 Engine Codes -The Complete Database

Every engine fitted to the U06 Active Tourer -spanning B38 three-cylinder petrols, B48 four-cylinder petrols, B47 four-cylinder diesels, and plug-in hybrids with up to 326 bhp.

Engine CodeFuelPowerYearsReliabilityEnquiriesAvg. Recon Cost

Overview

BMW 2 Series Active Tourer U06 -Overview

The U06 is the second generation of the BMW 2 Series Active Tourer, unveiled in October 2021 as the successor to the F45.

Built on BMW's FAAR (Frontantriebsarchitektur) platform -shared with the latest 1 Series and 2 Series Gran Coupé -the compact MPV grew slightly in size (now 4,386 mm long, 1,824 mm wide) while retaining the 2,670 mm wheelbase. The engine line-up is all-turbocharged, featuring B38 three-cylinder petrols, B48 four-cylinder petrols, B47 four-cylinder diesels, and two plug-in hybrids (225e xDrive and 230e xDrive) with up to 87 km (54 miles) of electric range. A significant July 2024 update added the 220d diesel to the range.

Key Facts

Platform

BMW FAAR (Frontantriebsarchitektur)

Predecessor

F45 2 Series Active Tourer

Successor

None (current generation)

Sibling body styles in this generation

None (2 Series Gran Tourer discontinued)

Market Intelligence

The U06 2 Series Active Tourer generated 147+ real UK engine enquiries in 2025 [BMW-VERIFIED], concentrated on the 218d diesel and 220i MHEV petrol as the model reaches the used market.

BMW 2 Series Active Tourer U06 -Overview

The U06 is the second generation of the BMW 2 Series Active Tourer, unveiled in October 2021 as the successor to the F45.

Built on BMW's FAAR (Frontantriebsarchitektur) platform -shared with the latest 1 Series and 2 Series Gran Coupé -the compact MPV grew slightly in size (now 4,386 mm long, 1,824 mm wide) while retaining the 2,670 mm wheelbase. The engine line-up is all-turbocharged, featuring B38 three-cylinder petrols, B48 four-cylinder petrols, B47 four-cylinder diesels, and two plug-in hybrids (225e xDrive and 230e xDrive) with up to 87 km (54 miles) of electric range. A significant July 2024 update added the 220d diesel to the range.

Key Facts

Platform

BMW FAAR (Frontantriebsarchitektur)

Predecessor

F45 2 Series Active Tourer

Successor

None (current generation)

Sibling body styles in this generation

None (2 Series Gran Tourer discontinued)

Market Intelligence

The U06 2 Series Active Tourer generated 147+ real UK engine enquiries in 2025 [BMW-VERIFIED], concentrated on the 218d diesel and 220i MHEV petrol as the model reaches the used market.

Best & Worst Engines

Best Petrol Overall

B48A20P (223i, 218 bhp, MHEV)

“The 2.0-litre B48 is a gem -smooth, responsive, and with mild-hybrid assistance for seamless stop-start. The 223i offers the best blend of performance and refinement in the U06 range, with 218 bhp and 360 Nm of torque.”

Who it's for: buyers who want proper performance without the PHEV's complexity.

Best Diesel Overall

B47C20B (220d, 163–190 bhp)

“The B47 is a significant improvement over the N47 -timing chain issues are far less frequent, and the engine is smoother and more refined. The 220d, added in July 2024, offers the best blend of performance and economy in the diesel range.”

Who it's for: buyers who want diesel economy without the N47's timing chain anxiety.

Highest Risk

B38 PHEV (225e/230e xDrive)

“The plug-in hybrids are the most complex powertrains in the U06 range -a 1.5-litre turbo engine, an electric motor, and a 14.2 kWh battery pack. More components mean more potential failure points, and battery replacement is a significant cost.”

Who it's for: company car drivers and buyers who prioritise electric range over mechanical simplicity.

Most Expensive Failure

230e xDrive (326 bhp PHEV)

“The most powerful U06 engine -and the most expensive to replace. The B38 engine, electric motor, and battery pack combine for a replacement cost that could exceed £9,500. Battery degradation is the primary long-term concern.”

Who it's for: buyers with warranty cover who want 326 bhp and low company car tax.

Best Value

B38A15P (218i, 136 bhp)

“The entry-level petrol is the smart buy for most UK buyers -136 bhp is more than adequate for family duties, the three-cylinder is characterful and efficient, and the engine is simpler than the PHEV or 2.0-litre options. Lower running costs and proven B38 architecture make this the value champion.”

Who it's for: buyers who prioritise running costs and don't need extra power.

Most Overlooked

B38A15P (220i MHEV, 170 bhp + 19 bhp electric)

“The 220i is often overlooked because it's 'just' a three-cylinder -but with 48V mild-hybrid assistance, it produces 170 bhp and 280 Nm of torque, making it quicker than the 218i and more efficient than the 223i. The electric boost fills in the turbo lag and makes city driving a breeze.”

Who it's for: buyers who want the best balance of performance, efficiency, and simplicity.

Best Petrol Overall

B48A20P (223i, 218 bhp, MHEV)

“The 2.0-litre B48 is a gem -smooth, responsive, and with mild-hybrid assistance for seamless stop-start. The 223i offers the best blend of performance and refinement in the U06 range, with 218 bhp and 360 Nm of torque.”

Who it's for: buyers who want proper performance without the PHEV's complexity.

Best Diesel Overall

B47C20B (220d, 163–190 bhp)

“The B47 is a significant improvement over the N47 -timing chain issues are far less frequent, and the engine is smoother and more refined. The 220d, added in July 2024, offers the best blend of performance and economy in the diesel range.”

Who it's for: buyers who want diesel economy without the N47's timing chain anxiety.

Highest Risk

B38 PHEV (225e/230e xDrive)

“The plug-in hybrids are the most complex powertrains in the U06 range -a 1.5-litre turbo engine, an electric motor, and a 14.2 kWh battery pack. More components mean more potential failure points, and battery replacement is a significant cost.”

Who it's for: company car drivers and buyers who prioritise electric range over mechanical simplicity.

Most Expensive Failure

230e xDrive (326 bhp PHEV)

“The most powerful U06 engine -and the most expensive to replace. The B38 engine, electric motor, and battery pack combine for a replacement cost that could exceed £9,500. Battery degradation is the primary long-term concern.”

Who it's for: buyers with warranty cover who want 326 bhp and low company car tax.

Best Value

B38A15P (218i, 136 bhp)

“The entry-level petrol is the smart buy for most UK buyers -136 bhp is more than adequate for family duties, the three-cylinder is characterful and efficient, and the engine is simpler than the PHEV or 2.0-litre options. Lower running costs and proven B38 architecture make this the value champion.”

Who it's for: buyers who prioritise running costs and don't need extra power.

Most Overlooked

B38A15P (220i MHEV, 170 bhp + 19 bhp electric)

“The 220i is often overlooked because it's 'just' a three-cylinder -but with 48V mild-hybrid assistance, it produces 170 bhp and 280 Nm of torque, making it quicker than the 218i and more efficient than the 223i. The electric boost fills in the turbo lag and makes city driving a breeze.”

Who it's for: buyers who want the best balance of performance, efficiency, and simplicity.

BMW 2 Series Active Tourer U06 -Ownership Economics

EngineTypical MileageCommon Major FailureRepair Cost (Specialist)Replacement Cost (Recon)Ownership Verdict

B38 (216i/218i)60k–120kCooling system, water pump£400–£1,000£1,800–£3,500

Safe Bet -proven three-cylinder.

B38 MHEV (220i)50k–100kCooling system, 48V battery£500–£1,200£2,000–£3,800

Solid Choice -MHEV adds complexity but proven.

B48 (223i MHEV)60k–120kCooling system, water pump£500–£1,200£2,800–£5,000

Safe Bet -the most refined petrol.

B47 (218d/220d/223d)80k–150kEGR cooler, DPF£500–£1,500£2,800–£6,000

Solid Choice -significantly improved over N47.

B38 PHEV (225e/230e)20k–50kBattery degradation, electric motor£800–£2,500£5,500–£9,500

Watch -battery health is key; warranty essential.

EngineTypical MileageCommon Major FailureRepair Cost (Specialist)Replacement Cost (Recon)Ownership Verdict

B38 (216i/218i)60k–120kCooling system, water pump£400–£1,000£1,800–£3,500

Safe Bet -proven three-cylinder.

B38 MHEV (220i)50k–100kCooling system, 48V battery£500–£1,200£2,000–£3,800

Solid Choice -MHEV adds complexity but proven.

B48 (223i MHEV)60k–120kCooling system, water pump£500–£1,200£2,800–£5,000

Safe Bet -the most refined petrol.

B47 (218d/220d/223d)80k–150kEGR cooler, DPF£500–£1,500£2,800–£6,000

Solid Choice -significantly improved over N47.

B38 PHEV (225e/230e)20k–50kBattery degradation, electric motor£800–£2,500£5,500–£9,500

Watch -battery health is key; warranty essential.

The U06 rule

A £2,800–£6,000 B47 recon against a £12,000–£30,000 Active Tourer sits at 9–50% of the car's value【EM-VERIFIED】. Even on a lower-value example, that's well within our 70% BMW scrap threshold -replacement is almost always viable. The U06's strong retained values mean engine replacement is a repair decision, not a financial one. For PHEV cars, the battery is the bigger long-term consideration.

Key Takeaways

Which U06 Costs Least To Own?
B38 218i -simple three-cylinder, fewer failure modes, cheap parts.
Which U06 Costs Most To Own?
230e xDrive PHEV -battery and electric motor add significant long-term cost risk.
Which U06 Is Best Value?
B47 218d -excellent fuel economy, proven B47 reliability, and strong residual values.

Common Problems

01

B38

/ B48 Cooling System Leaks

Affected models:

U06 216i, 218i, 220i, 223i (B38/B48 engines).

Typical failure mileage:

40,000–80,000 miles.

Root cause:

The B-family engines (B38, B48) are generally reliable, but they can suffer from coolant leaks from the water pump and plastic cooling system components -a known weakness on BMW's modular engine family.

Tiered Cost Table

Preventative (Repair)

Dealer

Specialist

£600–£1,200

£400–£800

Water pump and hose replacement

Catastrophic (Replacement)

Dealer

Specialist

£5,000–£8,000

£3,500–£6,000

Full engine replacement if overheating caused damage

Our Recommendation

Have the cooling system inspected annually and replace the water pump as preventative maintenance at 60,000 miles -a £400–£800 specialist job is trivial against the £3,500+ engine replacement that follows an ignored coolant leak.

Compare B38/B48 engine prices for your U06

02

B47

Diesel EGR Cooler Failure

Affected models:

U06 218d, 220d, 223d (B47 engine).

Typical failure mileage:

60,000–120,000 miles.

Root cause:

The B47's EGR cooler can develop internal leaks, allowing coolant to enter the exhaust system. This can lead to reduced performance and, in extreme cases, engine damage. BMW issued recalls for this issue on some models.

Tiered Cost Table

Preventative (Repair)

Dealer

Specialist

£800–£1,500 (recall may cover)

£500–£1,000

EGR cooler replacement

Catastrophic (Replacement)

Dealer

Specialist

£5,000–£8,000

£4,000–£6,500

Full engine replacement if coolant contamination caused damage

Our Recommendation

Check your B47 U06's VIN against any outstanding EGR cooler recalls -if affected, the repair is free. If not, have the EGR cooler inspected at 60,000 miles -a £500–£1,000 replacement is cheap insurance against a £4,000+ engine failure.

Compare B47 diesel engine prices for your U06

03

U06

PHEV Battery Degradation & Electric Motor Issues

Affected models:

U06 225e xDrive, 230e xDrive (B38 PHEV).

U06 PHEV Battery Degradation & Electric Motor Issues

Typical failure mileage:

30,000–80,000 miles (battery degradation).

Root cause:

The 14.2 kWh lithium-ion battery pack will naturally degrade over time, reducing electric-only range. The electric motor adds complexity to the powertrain.

Tiered Cost Table

Preventative (Repair)

Dealer

Specialist

£500–£1,500 (battery health check)

£300–£800 (battery health check)

Battery health check, software updates

Catastrophic (Replacement)

Dealer

Specialist

£8,000–£12,000 (battery replacement)

£6,500–£10,000 (battery replacement)

Full battery pack replacement

Our Recommendation

Have the PHEV battery health checked annually -a £300–£800 inspection is cheap insurance against a £6,500+ battery replacement. If you're buying a used U06 PHEV, get a battery health report before committing.

Compare U06 PHEV battery prices

04

B38

48V Mild-Hybrid System Issues

Affected models:

U06 220i (B38 MHEV).

Typical failure mileage:

40,000–80,000 miles.

Root cause:

The 48V mild-hybrid system adds complexity -the 48V battery, electric motor, and associated electronics can develop issues. The 48V battery typically has a lifespan of 5–8 years.

Tiered Cost Table

Preventative (Repair)

Dealer

Specialist

£800–£1,500

£500–£1,000

48V battery health check, system diagnostics

Catastrophic (Replacement)

Dealer

Specialist

£3,500–£5,500

£2,800–£4,500

48V battery and/or electric motor replacement

Our Recommendation

Have the 48V system inspected during annual servicing -a £500–£1,000 check is cheap insurance against a £2,800+ system replacement. The mild-hybrid system is a major selling point -protect it.

Compare U06 MHEV system prices

U06 Engine Replacement Costs -By Engine and Condition

VariantEngine CodeUsed (Supply)Reconditioned (Supply)Rebuilt (Supply)Labour Hours

216i (1.5 petrol)B38A15P£800–£1,600£1,800–£3,200£2,800–£4,5008–12 hrs

218i (1.5 petrol)B38A15P£800–£1,800£1,800–£3,500£3,000–£5,0008–12 hrs

220i (1.5 MHEV)B38A15P£1,000–£2,000£2,000–£3,800£3,200–£5,5008–12 hrs

223i (2.0 MHEV)B48A20P£1,200–£2,800£2,800–£5,000£4,000–£6,50010–14 hrs

218d (2.0 diesel)B47C20B£1,500–£2,800£2,800–£5,000£4,000–£6,50010–14 hrs

220d (2.0 diesel)B47C20B£1,600–£3,000£3,000–£5,500£4,500–£7,00010–14 hrs

223d (2.0 diesel)B47C20B£1,800–£3,200£3,200–£6,000£5,000–£7,50010–14 hrs

225e xDrive (1.5 PHEV)B38 + Electric Motor£3,500–£6,000£5,500–£8,500£7,500–£11,00014–18 hrs

230e xDrive (1.5 PHEV)B38 + Electric Motor£4,000–£6,500£6,000–£9,500£8,000–£12,00014–18 hrs

No Generation variance from the EM_Proprietary_Data baseline figures -U06 Active Tourer shares the FAAR platform with the F40 1 Series, with similar engine-bay access, so costs are inherited directly per the Authority Model, with no divergence note required.

Core Variants

Diesel & Petrol Lineup

Diesel Variants

218d220d223d xDrive

Petrol Variants

216i218i220i223i223i xDrive225e xDrive230e xDrive

Scope note: All variants listed are U06 2 Series Active Tourer only. 220i, 223i and 223d feature 48V mild-hybrid technology. 225e xDrive (245 bhp) and 230e xDrive (326 bhp) are plug-in hybrids with 14.2 kWh battery and up to 87 km electric range. 220d was added to the range in July 2024.

Diesel & Petrol Lineup

Diesel Variants

218d220d223d xDrive

Petrol Variants

216i218i220i223i223i xDrive225e xDrive230e xDrive

Scope note: All variants listed are U06 2 Series Active Tourer only. 220i, 223i and 223d feature 48V mild-hybrid technology. 225e xDrive (245 bhp) and 230e xDrive (326 bhp) are plug-in hybrids with 14.2 kWh battery and up to 87 km electric range. 220d was added to the range in July 2024.

Market Intelligence

Most Requested E90 Engines (2025)

1.1. B47D20 (largest share of diesel enquiries)
2.2. B38A15P (218i/220i)
3.3. B48A20P (223i)

Most Requested E90 Variants

1.1. 218d
2.2. 220i
3.3. 223i

Average E90 Replacement Cost

£4,500 reconditioned, supply only [BMW-QUOTE]

Most Common E90 Failures

1.1. B38/B48 cooling system leaks
2.2. B47 EGR cooler failure
3.3. PHEV battery degradation

Live Feed

VehicleLocationIssueEnquiries

BMW 2 Series Active Tourer U06 218d

Leeds

EGR cooler inspection

3

enquiries

BMW 2 Series Active Tourer U06 220i

London

Cooling system check

2

enquiries

BMW 2 Series Active Tourer U06 230e

Birmingham

Battery health check

2

enquiries

Updated Monthly

FAQ

BMW 3 Series E90 rear three-quarter view

Why UK BMW 2 Series Active Tourer U06 Owners Trust BMWEngines.uk

Trusted U06 Engine Suppliers
every garage and engine rebuilder in our network is vetted, rated and reviewed by real Active Tourer owners, as part of the Engine Finders network.
Compare U06 Engine Replacement Companies
see prices, warranty terms and supply & fit options side-by-side before you commit.
UK Engine Replacement Services for U06
covering every variant from 216i to 230e xDrive, with supply-only or full supply & fit available nationwide.

Find the best BMW 2 Series Active Tourer U06 engine replacement UK drivers rely on. Compare real prices from trusted specialists on EnginesMarket today and keep your family on the move.

Compare BMW 2 Series Active Tourer U06 Engine Prices on EnginesMarket

Why UK BMW 2 Series Active Tourer U06 Owners Trust BMWEngines.uk

Trusted U06 Engine Suppliers
every garage and engine rebuilder in our network is vetted, rated and reviewed by real Active Tourer owners, as part of the Engine Finders network.
Compare U06 Engine Replacement Companies
see prices, warranty terms and supply & fit options side-by-side before you commit.
UK Engine Replacement Services for U06
covering every variant from 216i to 230e xDrive, with supply-only or full supply & fit available nationwide.

Find the best BMW 2 Series Active Tourer U06 engine replacement UK drivers rely on. Compare real prices from trusted specialists on EnginesMarket today and keep your family on the move.

Compare BMW 2 Series Active Tourer U06 Engine Prices on EnginesMarket

BMW 2 Series Active Tourer U06 Engines -The Complete UK Guide

BMW 2 Series Active Tourer U06 Engine Codes -The Complete Database

BMW 2 Series Active Tourer U06 -Overview

BMW 2 Series Active Tourer U06 -Overview

Best &amp; Worst Engines

BMW 2 Series Active Tourer U06 -Ownership Economics

Common Problems

U06 Engine Replacement Costs -By Engine and Condition

Diesel &amp; Petrol Lineup

Diesel &amp; Petrol Lineup

Market Intelligence

FAQ

Why UK BMW 2 Series Active Tourer U06 Owners Trust BMWEngines.uk

Why UK BMW 2 Series Active Tourer U06 Owners Trust BMWEngines.uk

Best & Worst Engines

Diesel & Petrol Lineup

Diesel & Petrol Lineup