2020 BMW M235i B48B20M0 (F22 (Coupe), F23 (Convertible))
F22 (Coupe), F23 (Convertible) / Coupe / Convertible / Limited: Primarily Europe, select global markets; 2020 was a final production year in few markets before replacement by 2 Series M240i
B48B20M0Exakter Jahres-/Varianten-DatensatzSilver
Engine identity
Oils and fluids
Service and parts data
Common and chronic problems
- Turbocharger wastegate rattle reported in used vehicles
- High-pressure fuel pump wear in early B48 variants
First checks
- Verify turbocharger actuator operation
- Inspect oil leak at valve cover gasket
Vor dem Teiletausch
- Save fault codes and freeze-frame data before clearing anything.
- Check engine oil, coolant and transmission fluid using the correct temperature and service procedure.
- Verify power, ground, connectors, hoses, leaks and live data before replacing expensive parts.
Important notes
- The M235i designation was phased out in 2020 in most markets, replaced by M240i. The final 2020 model used updated B48 engine with 306 hp.
- Market availability was limited globally in 2020, primarily Europe; verify regional specific trims separately.