BMW model
BMW 3 Series
We are BMW 3 Series specialists in London covering E90, F30 and G20 — with deep experience on N47 diesel timing chains, N54/N55 high-pressure fuel pumps, VANOS solenoids and ZF 8HP gearboxes.
Generations we cover
- E90 — 2005–2011
- F30 — 2011–2019
- G20 — 2019–present
Common faults on the BMW 3 Series
These are the model-specific issues we see most often — knowing them upfront is the difference between a quick fix and a repeated repair.
- E90/F30 diesel: N47 timing chain stretch and guide failure
- E90/F30: VANOS solenoids causing rattle and poor idle
- E90/F30 petrol: N54/N55 HPFP failure and long crank
- F30/G20: ZF 8HP judder (fluid service)
- E90: iDrive CIC failures
Service intervals
CBS oil service typically 12 months / ~10,000–15,000 miles; vehicle inspection per CBS.