Quote:
Originally Posted by dpaul
OP - If you hear a click (from the solenoid), CAS is not your problem. There is really no question about this. And FWIW, the CAS module is not a "known issue" for E9x vehicles in a general sense or specifically for failure of starter/solenoid activation.
If you don't hear a click from the solenoid, that would be a different situation. When you say "clicking" are you hearing the solenoid or something else?
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I also would like to know since i have the same issue
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My starter doesn't crank what so ever but i do hear solenoid (maybe relay noise?) from engine bay.
I'm not 100% positive if that CAS module affects the solenoid or starter activation but CAD module can stop vehicle from starting.
https://www.youcanic.com/wiki/bmw-cas-car-access-system
List of possible symptoms you may notice if the CAS module or one of its components fails.
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Symptoms
Malfunction message on the iDrive screen.
BMW does not start.
Key not recognized.
BMW won't start due to bad CAS module.
The car will turn over but not start.