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 3.0 petrol (BMW B58) engine
The 3.0 petrol (BMW B58) engine was fitted to the BMW 4 Series (G22) (2020–now). In the EU that is 29.5 % of all new cars of this generation.
Versions: 3.0 374 hp, 3.0 286 hp, 3.0 340 hp.
The most expensive known risk is valve cover with built-in PCV: torn membrane or leaking gasket: it usually appears at 80,000–180,000 km and costs €300–1,300 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: Whistling at idle, bluish smoke, rising oil use, rough idle; or oil around the spark plug wells and a burning oil smell
Fix: Replace the valve cover (the PCV valve is part of it) with a new gasket
Signs: Coolant level warning, coolant traces at the water pump weep hole, sweet smell
Fix: Pressure-test the cooling system to find the leak; replace the water pump, module, cap or hose as needed
Signs: Oil smell, oil on the engine or the drive belt
Fix: Replace the housing gaskets (or the housing if the plastic is cracked)
Signs: Check-engine light with camshaft timing codes (e.g. P0012), rough idle, hesitation, limp mode
Fix: Read the codes, then replace the faulty solenoid(s) and their seals
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 3.0 petrol (BMW B58) 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 |
|---|---|---|---|---|
| 3.0 Hybrid2,998 cm³ · 275 kW (374 hp) | 20.6 % | 2021–2025 | 182 g/km | 8.0 L |
| 3.0 Hybrid2,993 cm³ · 210 kW (286 hp) | 5.9 % | 2021–2025 | 149 g/km | 5.7 L |
| 3.0 Hybrid2,993 cm³ · 250 kW (340 hp) | 2.1 % | 2021–2025 | 160 g/km | 6.1 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: valve cover with built-in PCV: torn membrane or leaking gasket (80,000–180,000 km, €300–1,300); coolant loss (water pump, heat management module or expansion tank cap) (80,000–180,000 km, €150–900).
Chain.
0W-30 / 5W-30 · BMW Longlife-01 FE / LL-17 FE+ · every 15,000 km.
BMW 5 Series (G30) 2017–2023BMW X3 (G01) 2017–2024BMW X5 (G05) 2018–BMW 5 Series (G60) 2023–BMW 7 Series (G11) 2015–2022BMW X4 (G02) 2018–BMW X3 (G45) 2024–BMW X6 (G06) 2019–
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