Petrol · 2019–now
Enter your VIN and mileage and get a plan built for your exact engine and gearbox.
All about the BMW 3 Series (G20)All about the 2.0 petrol (BMW B48) engine
The 2.0 petrol (BMW B48) engine was fitted to the BMW 3 Series (G20) (2019–now). In the EU that is 82.9 % of all new cars of this generation.
Versions: 2.0 190 hp, 2.0 184 hp, 2.0 150 hp, 2.0 156 hp, 2.0 163 hp, 2.0 258 hp, 2.0 245 hp.
The most expensive known risk is oil filter housing cracks: coolant leak, oil in coolant: it usually appears at 80,000–180,000 km and costs €400–1,200 to fix.
✓ The faults of this engine were checked against sources (10/2026). Each item has at least two independent sources or an official recall or parts-maker technical note.
Signs: Coolant loss or puddle, temperature warning, oily sludge in the expansion tank
Fix: Replace the housing (intake manifold usually comes off); if oil got into the coolant, flush the cooling system
Signs: Coolant traces near the front subframe, high temperature warning, heater blows hot at full
Fix: Replace the pump insert, or the whole carrier if the carrier gasket leaks; keep the coolant level correct
Signs: Oil film on top of the engine, burning oil smell, oil in the spark plug wells
Fix: Locate the leak with UV dye; replace the gasket and, if its membrane is worn, the crankcase ventilation separator
Signs: Rough idle, misfire codes, slight power loss and higher fuel use
Fix: Confirm with an endoscope, then clean the intake valves (walnut blasting)
Signs: Shimmy under braking
Fix: Replace bushes / arms
Signs: Harsh ride; expensive to replace
Fix: Budget accordingly
Signs: Slipping, high bite point
Fix: Replace clutch kit
Typical routine maintenance cost for 100,000 km: €2,200–4,950. Sum of the services and wear parts in the plan above (about 15,000 km a year, independent workshop), without faults.
Intervals and typical prices for the BMW 3 Series (G20) with the 2.0 petrol (BMW B48) engine. The app gives the exact plan for your mileage.
| Item | Interval | Typical price |
|---|---|---|
| Engine oil + oil filterEngine | every 15,000 km or every 12 months | €70–150 |
| Cabin (pollen) filterClimate | every 15,000 km or every 12 months | €15–40 |
| Brake fluidBrakes | every 24 months | €50–95 |
| A/C service (regas + desiccant)Climate | every 24 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 |
| Manual gearbox oilTransmission | every 150,000 km | €60–130 |
| Front brake padsBrakes | usually at 30,000–60,000 km | €60–150 |
| Front brake discs + padsBrakes | usually at 60,000–120,000 km | €150–320 |
| Rear brake padsBrakes | usually at 50,000–90,000 km | €50–130 |
| Tyres (set of 4)Wheels | usually at 40,000–60,000 km | €320–700 |
| Wiper bladesBody | checked at service | €20–50 |
| 12V batteryElectrical | checked at service | €100–220 |
| Version | Share | Years | CO₂ | Fuel use |
|---|---|---|---|---|
| 2.0 Hybrid1,995 cm³ · 140 kW (190 hp) | 22.3 % | 2020–2025 | 136 g/km | 5.3 L |
| 2.0 Hybrid1,998 cm³ · 135 kW (184 hp) | 21.4 % | 2020–2025 | 33 g/km | 1.5 L |
| 2.0 Petrol1,998 cm³ · 135 kW (184 hp) | 8.6 % | 2020–2025 | 154 g/km | 6.8 L |
| 2.0 Hybrid1,995 cm³ · 110 kW (150 hp) | 8.5 % | 2020–2025 | 130 g/km | 5.0 L |
| 2.0 Petrol1,998 cm³ · 115 kW (156 hp) | 7.8 % | 2020–2025 | 150 g/km | 6.7 L |
| 2.0 Hybrid1,998 cm³ · 120 kW (163 hp) | 6.5 % | 2020–2025 | 34 g/km | 1.7 L |
| 2.0 Petrol1,998 cm³ · 190 kW (258 hp) | 3.0 % | 2020–2025 | 160 g/km | 7.0 L |
| 2.0 Petrol1,998 cm³ · 180 kW (245 hp) | 2.8 % | 2022–2025 | 163 g/km | 7.2 L |
Source: European Environment Agency (EEA), monitoring of CO₂ emissions from new passenger cars, CC BY 4.0. CO₂ and fuel use are official type-approval values (WLTP from 2021), not real-world consumption.
Recalls the manufacturer published in the United Kingdom for this model (19). The same recalls usually apply across Europe. Ask an authorised dealer to check by VIN whether your car is affected and whether the work has been done.
The faults with the highest risk: oil filter housing cracks: coolant leak, oil in coolant (80,000–180,000 km, €400–1,200); water pump leak (100,000–170,000 km, €400–1,000).
Chain.
0W-20 / 0W-30 · BMW LL-17FE+ / LL-01 · ~5.25 L · every 15,000 km.
MINI Hatch (F56) 2014–2023BMW 5 Series (G30) 2017–2023BMW 4 Series (F32) 2013–2020BMW X1 (F48) 2015–2022BMW X3 (G01) 2017–2024BMW 1 Series (F40) 2019–2024BMW X1 (U11) 2022–MINI Countryman (F60) 2017–2024BMW X2 (F39) 2018–2023BMW 5 Series (G60) 2023–MINI Clubman (F54) 2015–2024BMW 4 Series (G22) 2020–
Main sources for the faults of this engine:
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. How we check the data →
Updated 29/10/2026