BMW Fault Code - 4020
Check 4020 Fault Code
BMW Fault Code: 4020
4020 - DDE:Exhaust backpressure sensor before particulate filter, signal
System: Digital Diesel Electronics
BMW System: DDE
Type: Drive
BMW Fault Code: 4020
4020 - DDE: Exhaust temperature sensor before particulate filter, bank 1, signal
System: Digital Diesel Electronics
BMW System: DDE
Type: Drive
BMW Fault Code: 4020
4020 - DDE: Exhaust-gas backpressure sensor before particle filter (-)
System:
.