Petrol · 2020–now
Enter your VIN and mileage and get a plan built for your exact engine and gearbox.
All about the BMW 4 Series (G22)All about the 2.0 petrol (BMW B48) engine
The 2.0 petrol (BMW B48) engine was fitted to the BMW 4 Series (G22) (2020–now). In the EU that is 69.6 % of all new cars of this generation.
Versions: 2.0 190 hp, 2.0 184 hp, 2.0 245 hp, 2.0 258 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
Typical routine maintenance cost for 100,000 km: €2,400–5,400. 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 4 Series (G22) 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 |
| Automatic transmission fluidTransmission | every 90,000 km | €200–450 |
| 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 |
| 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) | 31.7 % | 2021–2025 | 134 g/km | 5.2 L |
| 2.0 Petrol1,998 cm³ · 135 kW (184 hp) | 20.5 % | 2021–2025 | 154 g/km | 6.8 L |
| 2.0 Petrol1,998 cm³ · 180 kW (245 hp) | 14.0 % | 2021–2025 | 164 g/km | 7.2 L |
| 2.0 Petrol1,998 cm³ · 190 kW (258 hp) | 2.1 % | 2021–2025 | 161 g/km | 7.0 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.
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 3 Series (G20) 2019–BMW 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) 2015–2024
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