Engines Market

BMW X2 M35i SPECIALISTS

BMW X2 M35i Engine Replacement Compare 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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BMW X2 M35i Engine
from£2,600 to £5,900
  • Usedfrom £1,800
  • Reconditionedfrom £2,800
  • Common codesB48A20E
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How it works

3 Simple Steps to Finding the Right Replacement Engine

Clear information first, then the right engine and specialist for your exact vehicle.

Variant History

BMW 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
  1. 2019

    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

  2. 2019

    M35i xDrive First Edition introduced with exclusive trim and equipment

  3. 2020

    M Mesh Edition joins the range with the same B48A20E powertrain

  4. 2022

    LCI facelift brings updated styling; B48A20E continues with refined calibration

  5. 2023

    F39 production ends; the M35i badge continues on the next-generation U10 X2

Every engine fitted to the BMW X2 M35i is covered below, with UK rebuilt pricing and known failure points.

Engine Codes & Pricing

BMW X2 M35i Engine Codes Specifications & Replacement Cost

Find your exact engine code, specs and UK replacement cost guide.

B48A20E — 2.0L High-Output Petrol (2019-2023) engine

B48A20E — 2.0L High-Output Petrol (2019-2023)

Power Output
306hp (225kW) at 5,000-6,250rpm
Torque
450Nm (332 lb-ft) at 1,750-4,500rpm
Displacement
1,998cc
Compression Ratio
9.5:1
Years Fitted
2019-2023 (F39 X2 M35i xDrive)

Can’t find your exact engine code?-> Get quotes for B48A20E BMW X2 M35i engine replacement

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Common Problems

BMW X2 M35i Engine Problems Repair Cost vs Replacement

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.

Common failure points and repair options

B48A20E Turbo Wastegate Failure

Affected
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.

Repair options

Repair tierDealer priceSpecialist price
Wastegate actuator replacement£800-£1,200£500-£900
Turbocharger replacement£2,000-£3,500£1,200-£2,200
Full Replacement - rebuilt/reconditioned engine£6,000-£8,500£3,500-£5,800
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.
-> Compare rebuilt B48A20E BMW X2 M35i engine prices

B48A20E Oil Consumption

Affected
BMW X2 M35i (B48A20E, 2019-2023)
Typical failure mileage
50,000-100,000 miles
Root cause
The high-output B48A20E can experience piston ring wear and valve stem seal degradation, allowing oil to enter the combustion chamber. This is particularly common on vehicles driven hard or with extended oil change intervals.

Repair options

Repair tierDealer priceSpecialist price
Oil consumption diagnosis and monitoring£150-£300£100-£200
Valve stem seal replacement£1,800-£2,500£1,200-£1,800
Full Replacement - rebuilt/reconditioned engine£6,000-£8,500£3,500-£5,800
Our recommendation
Monitor your oil level regularly - BMW's recommended service intervals can be too long for the M35i's high-output engine. Consider more frequent oil changes (every 8,000-10,000 miles) and use only BMW-approved high-quality oil. If oil consumption exceeds 1 litre per 1,000 miles, have the engine inspected. Valve stem seal replacement is often the most cost-effective solution if caught early.
-> Compare rebuilt B48A20E BMW X2 M35i engine prices

B48A20E Cooling System Failures

Affected
BMW X2 M35i (B48A20E, 2019-2023)
Typical failure mileage
40,000-80,000 miles
Root cause
The B48's plastic coolant expansion tank and thermostat housing can become brittle under repeated thermal cycling, leading to cracks and coolant loss. The M35i's high-output tune generates more heat, accelerating component fatigue.

Repair options

Repair tierDealer priceSpecialist price
Coolant system component replacement£500-£900£300-£600
Coolant system overhaul£800-£1,200£550-£850
Full Replacement - rebuilt/reconditioned engine£6,000-£8,500£3,500-£5,800
Our recommendation
Check coolant levels regularly and inspect for signs of leaks - puddles under the car or white residue around the expansion tank. Annual cooling system inspections can catch problems before they lead to overheating. If the temperature gauge spikes, stop driving immediately - continued operation will warp the cylinder head and require a full engine rebuild.
-> Compare rebuilt B48A20E BMW X2 M35i engine prices

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.

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FAQ

BMW X2 M35i Engine ReplacementFrequently Asked Questions

Everything BMW X2 M35i owners usually ask before choosing a rebuilt, reconditioned or used replacement engine.

Why Choose Us

Compare BMW X2 M35i Engine Prices Today

Comparing quotes for your BMW X2 M35i engine replacement is free, quick and carries no obligation. Enter your registration above, tell us your engine code (B48A20E), and receive tailored prices from vetted UK specialists. Whether you need a used, reconditioned or rebuilt unit - with or without fitting - we'll connect you with the right supplier for your exact M35i.

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