EGR Cooler Leak
SeriousExhaust & EmissionsMany F10 diesels sit squarely in the UK EGR recall years. Leaking coolant mixed with soot can create a fire risk and should never be waved away as a minor seep.
Most affected: 520d, 525d, 530d, 535d
Typical symptoms
- •Coolant loss with no obvious external source
- •Sweet smell after a hot run
- •Drivetrain or EGR-related warning lights
What to inspect before you buy
- ✓Verify campaign completion against the VIN
- ✓Inspect the EGR area for white residue
- ✓Ask if the intake manifold was also checked where applicable