Timing Chain Guide Wear / VANOS Issues
SeriousEngineE39-era M5s can suffer from worn chain guides, VANOS solenoid issues, and heavy oil leaks as the S62 ages. Preventative mechanical work is often the difference between a great car and a disaster.
Est. Repair Cost: £1,500–£4,000
Warning Signs:
Rattle on start-up, Top-end noise and oil seepage around the front of the engine
What to Inspect:
- Look for timing-chain or VANOS invoices
- Inspect the underside for major oil leaks
Verified by IsItAGoodCar Research Team