Operation CHARM
: Car repair manuals for everyone.
Home
>>
BMW
>>
1996
>>
840Ci (E31) V8-4398cc 4.4L DOHC (M62)
>>
Repair and Diagnosis
>>
Powertrain Management
>>
Description and Operation
>>
Digital Signals/Interfaces
>>
EWS II- ISN Interface
EWS II- ISN Interface
EWS II-ISN Interface:
The EWS communicates with the
DME
for the drive away protection feature as on previous models. If the ISN from the EWS and the number stored in the DME do not match, the engine will not start.