BMW Fault Code - 4021
Check 4021 Fault Code
BMW Fault Code: 4021
4021 - DDE:Exhaust backpressure sensor before particulate filter, signal
System: Digital Diesel Electronics
BMW System: DDE
Type: Drive
BMW Fault Code: 4021
4021 - DDE: Exhaust temperature sensor before particulate filter, bank 1, signal
System: Digital Diesel Electronics
BMW System: DDE
Type: Drive
BMW Fault Code: 4021
4021 - DDE: Exhaust-gas backpressure sensor before particle filter (-)
System:
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