Engine Control Module: Application and ID

Engine Control Module (ECM) Equipment

Engine Code BKF
System identification Motronic ME7.1.1
Terminals at Engine Control Module (ECM) 121
Emissions limiting values according to ULEV2)
On Board Diagnostic (OBD) OBD II
DTC memory Permanent memory2)
Memory for adaptation values Temporary memory3)
Oxygen sensor control 3 sensors
Knock sensor control 2 knock sensors
Intake manifold change-over No
Camshaft adjustment Yes
Boost pressure regulation Yes
Secondary Air Injection (AIR) system Yes
Electronic engine performance regulation Yes


Engine Code BNU
System identification Motronic ME7.1.1
Terminals at Engine Control Module (ECM) 121
Emissions limiting values according to ULEV2)
On Board Diagnostic (OBD) OBD II
DTC memory Permanent memory2)
Memory for adaptation values Temporary memory3)
Oxygen sensor control 3 sensors
Knock sensor control 2 knock sensors
Intake manifold change-over No
Camshaft adjustment Yes
Boost pressure regulation Yes
Secondary Air Injection (AIR) system Yes
Electronic engine performance regulation Yes

1) ULEV 2 = Ultra Low Emission Vehicles (emission values max. 0.055 g/mi HC)
2) Independent of voltage supply.
3) Values are lost when voltage supply is interrupted.