BMW X2 M35i Engine ReplacementCompare Prices & Get Quotes
Get quotes today from trusted UK BMW X2 M35i engine specialists. Compare prices on reconditioned, rebuilt and used engines for your high-performance M35i xDrive - powered by the 306hp B48A20E 2.0-litre turbo four-cylinder.
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From £2,600 to £5,900
Used from £1,800 · Reconditioned from £2,800 · Common codes: B48A20E
From £1,800
Tested, bare/short engine
From £2,800
Rod bearings addressed, tested
From quote
Upgraded bearings, full teardown, revised valvetrain
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3 Simple Steps3 Simple Stepsto Finding the Best BMW X2 M35i Replacement Engineto Finding the Best BMW X2 M35i Replacement Engine
Most replacements completed within 3-5 days.
Variant HistoryBMW X2 M35i - Engine History & Specs at a Glance
The BMW X2 M35i arrived in 2019 as the performance flagship of the F39 generation, powered by the most powerful four-cylinder engine BMW had ever produced at the time - the B48A20E. With 306hp and 450Nm of torque, it brought M Performance credentials to the compact SUV segment.
Variant HistoryBMW X2 M35i - Engine History & Specs at a Glance
The BMW X2 M35i arrived in 2019 as the performance flagship of the F39 generation, powered by the most powerful four-cylinder engine BMW had ever produced at the time - the B48A20E. With 306hp and 450Nm of torque, it brought M Performance credentials to the compact SUV segment.
BMW X2 M35i
Fuel TypePetrol
Engine Size2.0L
Power Output306hp (225kW)Engine History Timeline
B48A20E 2.0-litre four-cylinder TwinPower Turbo petrol, 306hp (225kW) at 5,000rpm, 450Nm torque from 1,750-4,500rpm, launched as the X2 M35i xDrive
M35i xDrive First Edition introduced with exclusive trim and equipment
M Mesh Edition joins the range with the same B48A20E powertrain
LCI facelift brings updated styling; B48A20E continues with refined calibration
F39 production ends; the M35i badge continues on the next-generation U10 X2
Key Specs Snapshot
Fuel TypePetrolEngine Size2.0LPower Output306hp (225kW)Torque450Nm (332 lb-ft)DrivetrainxDrive all-wheel driveTransmission8-speed Steptronic automatic with Launch Control0-62mph4.9 secondsTop Speed155mph (electronically limited)Years Produced2019-2023 (F39)Every engine fitted to the BMW X2 M35i is covered below, with UK rebuilt pricing and known failure points.
BMW X2 M35i Engine Codes - Specifications & Replacement CostBMW X2 M35i Engine Codes - Specifications & Replacement Cost
2.0L High-Output Petrol (2019-2023)
Power Output306hp (225kW) at 5,000-6,250rpmTorque450Nm (332 lb-ft) at 1,750-4,500rpmDisplacement1,998ccCompression Ratio9.5:1Years Fitted2019-2023 (F39 X2 M35i xDrive)
Compatible Trim Levels
- M35i xDrive
- M35i xDrive First Edition
- M35i xDrive M Mesh Edition
Find your exact engine code, specs and UK replacement cost guide.
Used
Tested, ready-to-fit engine
£1,800-£3,200
Reconditioned
Addressed known issues, tested
£2,800-£4,500
Rebuilt
Full teardown, upgraded internals
£3,200-£5,800
Common Failure
Turbo wastegate actuator failure - a known issue on the B48A20E where the wastegate mechanism can develop play or fail, causing loss of boost pressure and reduced performance. BMW has extended the limited warranty for the turbocharger wastegate valve controller to 15 years or 150,000 miles for select 2019-2023 X2 M35i models. Oil consumption and piston ring wear are also reported on higher-mileage units.
The BMW X2 M35i's B48A20E is one of BMW's most powerful four-cylinder engines, but high-output tuning places additional stress on the turbocharger, cooling system, and bottom end. Rebuilt BMW X2 M35i engines through EnginesMarket include upgraded components addressing the original failure points, plus a minimum 12-month unlimited-mileage warranty.
Why M35i Engines Lose Power
Affected Vehicles
BMW X2 M35i (B48A20E, 2019-2023)
Typical Failure Mileage
40,000-80,000 miles
Root Cause
The turbocharger wastegate actuator can develop play or fail due to thermal stress and mechanical wear, causing the wastegate to stick or not close properly. This results in loss of boost pressure, reduced power, and in some cases, complete turbocharger failure.
Why It Happens
The turbocharger wastegate actuator can develop play or fail due to thermal stress and mechanical wear, causing the wastegate to stick or not close properly. This results in loss of boost pressure, reduced power, and in some cases, complete turbocharger failure.
Dealer (parts + labour)
£800-£1,200
Specialist (parts + labour)
£500-£900
What it involves
Replace wastegate actuator and recalibrate boost control
Suitability
Effective if caught early - restores boost pressure
1 - 2 daysDealer (parts + labour)
£2,000-£3,500
Specialist (parts + labour)
£1,200-£2,200
What it involves
Remove and replace turbo unit, new oil feed lines, wastegate assembly
Suitability
If wastegate failure has damaged the turbo or boost control is compromised
1 - 2 daysDealer (parts + labour)
£6,000-£8,500
Specialist (parts + labour)
£3,500-£5,800
What it involves
Supply & fit, upgraded turbo components, 12-month warranty
Suitability
If turbo debris has entered the engine or bottom-end damage has occurred
1 - 2 daysAll prices are indicative UK market ranges based on current UK specialist supplier data.| Repair Tier | Dealer (Parts + Labour) | Specialist (Parts + Labour) | What It Involves | Suitability | Estimated Time |
|---|---|---|---|---|---|
 Wastegate actuator replacement Minor | £800-£1,200 | £500-£900 | Replace wastegate actuator and recalibrate boost control | Effective if caught early - restores boost pressure | 1 - 2 days |
 Turbocharger replacement Best Value | £2,000-£3,500 | £1,200-£2,200 | Remove and replace turbo unit, new oil feed lines, wastegate assembly | If wastegate failure has damaged the turbo or boost control is compromised | 1 - 2 days |
Full Replacement - rebuilt/reconditioned engine Best Value | £6,000-£8,500 | £3,500-£5,800 | Supply & fit, upgraded turbo components, 12-month warranty | If turbo debris has entered the engine or bottom-end damage has occurred | 1 - 2 days |
Vehicle Value Check
Vehicle Value Check
A typical 2019-2023 BMW X2 M35i is worth approximately £18,000-£35,000. Replacement cost is small relative to vehicle value, making a reconditioned or rebuilt engine a sensible investment for most owners. These are high-value performance vehicles - engine replacement is almost always economically justified.
Our Recommendation
Our Recommendation
If you notice a loss of power, hesitation under acceleration, or a check engine light with boost-related codes, have the wastegate actuator inspected immediately. BMW has extended the warranty on the wastegate valve controller to 15 years or 150,000 miles for select X2 M35i models - check if your vehicle is covered. A £500-£900 specialist repair is far cheaper than a full turbo or engine replacement.
Don't Let Engine Failure Write Off Your BMW X2 M35i
The B48A20E is a remarkable engine, but high-output tuning means turbo wastegate failure, oil consumption, and cooling system issues can become costly if ignored. Rebuilt engines through EnginesMarket come with upgraded components addressing the original failure points, a minimum 12-month unlimited-mileage warranty, and nationwide delivery or supply-and-fit options. Compare prices from vetted UK specialists today - and keep your M35i performing at its best.
Compare rebuilt B48A20E BMW X2 M35i engine prices
12-Month Minimum
UK Specialists Vetted
Best Price GuidanceImportant Information
Important Information
"All prices are indicative UK market ranges based on historical quote data and repair requests from our network of engine specialists. Dealer pricing is estimated based on published main dealer labour rates and genuine OEM parts pricing. Specialist pricing reflects actual quote data from EnginesMarket's UK network. Actual costs vary depending on damage severity, vehicle condition, variant, and workshop location within the UK. Use our free comparison tool to get tailored quotes for your specific BMW X2 M35i. Every engine supplied through EnginesMarket carries a minimum 12-month unlimited mileage warranty - always confirm exact terms with your chosen supplier."
BMW X2 M35i Engine ReplacementFrequently Asked Questions
Question 1How much does a BMW X2 M35i engine replacement cost-
A BMW X2 M35i engine replacement typically costs between £1,800 and £5,800 for the engine itself, depending on condition (used, reconditioned or rebuilt). The B48A20E high-output unit commands premium pricing due to specialist rebuild requirements and performance-grade components.
- Used engine: £1,800-£3,200
- Reconditioned: £2,800-£4,500
- Rebuilt: £3,200-£5,800
- Labour (supply & fit): £600-£900 for independent specialist
Question 2What are the signs of turbo failure in a BMW X2 M35i-
The most common signs of turbocharger or wastegate failure on the B48A20E include loss of power, hesitation under acceleration, a check engine light, and in some cases, a rattling noise from the turbo area.
- Loss of power or hesitation under acceleration
- Check engine light with boost-related fault codes
- Rattling noise from the turbocharger area
- If ignored: complete turbo failure and potential engine damage
Question 3Is it worth replacing the engine in a BMW X2 M35i-
Yes, replacing the engine on a BMW X2 M35i is almost always worthwhile given the vehicle's strong residual values. A typical 2019-2023 X2 M35i is worth £18,000-£35,000 - replacement cost is small relative to vehicle value, making a rebuilt engine with warranty a sensible investment.
- X2 M35i values remain strong across all trims
- Rebuilt engine costs significantly less than vehicle replacement
- Supply and fit service minimises downtime
- Engine replacement extends vehicle life by 80,000+ miles
Question 4How long does a BMW X2 M35i engine replacement take-
A BMW X2 M35i engine replacement typically takes 2-4 days for a specialist to complete, including removal of the old unit, fitting the replacement engine, ECU coding, and full road testing.
- Typical labour time: 10-14 hours
- Allow 2-4 working days for the full job
- xDrive system calibration adds additional time
Question 5What's the difference between the BMW X2 M35i and the standard X2-
The M35i is the performance flagship of the X2 range, powered by a 306hp B48A20E engine - significantly more powerful than the 192hp 20i or 140hp 18i. It also features xDrive all-wheel drive, an 8-speed Steptronic sport automatic with Launch Control, and M Performance styling.
- M35i: 306hp, 2.0L turbo, xDrive, 0-62mph in 4.9 seconds
- 20i: 192hp, 2.0L turbo, sDrive or xDrive
- 18i: 140hp, 1.5L three-cylinder, sDrive only
Question 6Are BMW X2 M35i engines reliable-
The B48A20E is a well-engineered performance engine, but high-output tuning means it requires diligent maintenance. Turbo wastegate failure is the most common issue, with oil consumption and cooling system problems also reported on higher-mileage units. Regular oil changes and cooling system inspections are essential for longevity.
- B48A20E is generally robust with proper maintenance
- Turbo wastegate actuator is the most common failure point
- Oil consumption can occur on higher-mileage units
- Regular oil changes and coolant checks are critical
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