Valve cover / oil filter housing seep
usually 100,000–180,000 km · Wear part
Signs: Oil misting, burning smell
Fix: Reseal
€250–600
Engine: common problems, timing drive and oil
2.0 petrol (BMW B48)
Petrol · 1,998 cm³ · 100–225 kW
31
model generations
2
known faults
1,662,000
new cars in the EU (2010–2025)
Enter your VIN and mileage and get a plan built for your exact engine and gearbox.
Fuel: Petrol. Timing drive: chain.
In our database this engine is fitted to 31 model generations, among them: BMW 3 Series (G20), MINI Hatch (F56), BMW X3 (G01), BMW 5 Series (G30), BMW X1 (F48), BMW 4 Series (G22) and 25 more.
The most expensive known risk is coolant loss (plastic coolant pipes / expansion tank): it usually appears at 80,000–180,000 km and costs €150–600 to fix.
Key facts
| Fuel | Petrol |
|---|---|
| Displacement | 1,998 cm³ |
| Power | 100–225 kW |
| Years | 2014–2027 |
| Timing drive | Chain |
| Oil | 0W-20 / 0W-30 · BMW LL-17FE+ / LL-01 · ~5.25 L · every 15,000 km |
| Engine codes | B48B20, B48A20 |
Known engine faults
Faults that belong to the engine itself. They apply to every model with this engine, and each model has its own extra faults on its model page.
Coolant loss (plastic coolant pipes / expansion tank)
usually 80,000–180,000 km · Medium risk
Signs: Coolant warning, sweet smell, level drops
Fix: Find and replace the leaking pipe or tank
€150–600
Engine-related service
Intervals and typical prices, using the BMW 3 Series (F30) as an example. The app gives the exact plan for your car.
| Item | Interval | Typical price |
|---|---|---|
| Engine oil + oil filterEngine | every 15,000 km or every 12 months | €70–150 |
| Air filterEngine | every 30,000 km or every 24 months | €15–45 |
| Spark plugsIgnition | every 60,000 km or every 48 months | €50–160 |
| Auxiliary (serpentine) beltEngine | every 120,000 km | €70–180 |
| Coolant replacementCooling | every 150,000 km or every 96 months | €70–150 |
| Timing chain inspection (listen on cold start)Engine | every 150,000 km | €0–120 |
Models with this engine
Model generations this engine is fitted to.
BMW 1 Series (F20) 2011–2019BMW 1 Series (F40) 2019–2024BMW 1 Series (F70) 2024–BMW 2 Series Active Tourer (F45) 2014–2021BMW 2 Series Active Tourer (U06) 2021–BMW 2 Series Coupé (F22) 2014–2021BMW 2 Series Coupé (G42) 2021–BMW 2 Series Gran Coupé (F44) 2020–2024BMW 2 Series Gran Tourer (F46) 2015–2022BMW 3 Series (F30) 2012–2019BMW 3 Series (G20) 2019–BMW 4 Series (F32) 2013–2020BMW 4 Series (G22) 2020–BMW 5 Series (G30) 2017–2023BMW 5 Series (G60) 2023–BMW 6 Series Gran Turismo (G32) 2017–2023BMW 7 Series (G11) 2015–2022BMW X1 (F48) 2015–2022BMW X1 (U11) 2022–BMW X2 (F39) 2018–2023BMW X2 (U10) 2023–BMW X3 (G01) 2017–2024BMW X3 (G45) 2024–BMW X4 (F26) 2014–2018BMW X4 (G02) 2018–BMW Z4 (G29) 2018–MINI Clubman (F54) 2015–2024MINI Countryman (F60) 2017–2024MINI Countryman (U25) 2023–MINI Hatch (F56) 2014–2023MINI Hatch (F66 / J01) 2024–
Common questions
Does the 2.0 petrol (BMW B48) engine have a timing chain or a timing belt?
Chain.
What oil does the 2.0 petrol (BMW B48) engine take?
0W-20 / 0W-30 · BMW LL-17FE+ / LL-01 · ~5.25 L · every 15,000 km.
What are the known problems with the 2.0 petrol (BMW B48) engine?
The faults with the highest risk: coolant loss (plastic coolant pipes / expansion tank) (80,000–180,000 km, €150–600).
Which cars have the 2.0 petrol (BMW B48) engine?
BMW 3 Series (G20), MINI Hatch (F56), BMW X3 (G01), BMW 5 Series (G30), BMW X1 (F48), BMW 4 Series (G22) and 25 more.
Sources and notes
Faults, intervals and prices are indicative and collected from public sources and owner experience; always rely on the service book and a qualified workshop. Test statistics: DVSA – Anonymised MOT tests and results, Open Government Licence v3.0. Dutch tests: RDW Open Data (CC0). Engine versions: EEA, monitoring of CO₂ emissions from new passenger cars (CC BY 4.0, DG CLIMA). Owner complaints: NHTSA ODI (public domain). Recalls: DVSA Vehicle Safety Branch Recalls Database, OGL v3.0. Brand and model names are trademarks of their owners and are used only to describe the vehicles.
Updated 08/10/2026