BMW Warning Message
“Increased Emissions”
The BMW iDrive system has detected that exhaust emissions exceed acceptable thresholds. This is often the precursor to a check engine light and will cause an emissions test failure.
moderate severity
Common Causes
- Catalytic converter degradation
- Oxygen sensor drift or failure
- EVAP system leak (purge valve, charcoal canister)
- Lean fuel mixture (vacuum leak, fuel pressure)
- EGR valve carbon buildup
Immediate Action
Vehicle is drivable but will fail emissions testing. Schedule diagnostic service before your next emissions test.
Typical Repair Cost
$200–$2,500