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Steve, BMW Expert
Category: BMW
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Experience:  BMW Expert
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BMW 318i won't start and no engine check light. Fault co

Customer Question

BMW 318i won't start and no engine check light.
Fault codes
Submitted: 1 year ago.
Category: BMW
Expert:  Steve replied 1 year ago.
Hello and welcome,
My name is ***** ***** it will be my pleasure to assist you today.
What does the car do when you try to start it?
Customer: replied 1 year ago.

It does not start and it does not show engine check light. It goes to red in the temperature gauge

Expert:  Steve replied 1 year ago.
Does the starter crank over? Does the starter click? Something else?
Customer: replied 1 year ago.

It cranks as if it will start but it does not start.

Expert:  Steve replied 1 year ago.

I will provide an honest answer. I trust this will be appreciated. Please remember that a low rating PUNISHES me for being honest and that I receive nothing for my time until a positive rating is clicked.

the codes you have are communication errors.

you may have a faulty dsc module, cluster or engine computer - or power supply issue relating to them

unfortunately simple static faults codes are not sufficient to completely diagnose the issue so proper test plans will need to be carried out to verify the exact nature of the issue - almost certainly a no spark condition relating to one of these modules/computers

Please let me know if you have further questions. Please do not forget to click a positive rating as this is the only way I receive credit for my answer, thank you. Best wishes with your vehicle

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