EGR Cooler Leak
SeriousExhaust & EmissionsBMW diesel recall work is crucial on F48 diesels because leaking coolant in the EGR system can create a fire risk and repeated coolant-loss complaints.
Most affected: sDrive18d, sDrive20d, xDrive18d, xDrive20d, xDrive25d
Typical symptoms
- •Coolant loss with no obvious external leak
- •Sweet smell after shutdown
- •Engine-management or drivetrain warning on diesel cars
What to inspect before you buy
- ✓Verify recall completion using the VIN, not just seller memory
- ✓Inspect around the EGR cooler for residue or staining
- ✓Avoid cars showing repeated coolant top-ups without a clear explanation