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Acoop Acoop is offline
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Car: 2008 N54 335xi
Default (HELP) Jb4 will crank but not turn over(HELP) - 09-13-2019, 07:17 AM

Hi. I just installed a jb4 into my 2008 335xi and everything worked, Bluetooth connected and I could adjust settings. But everytime I attempt to start the car, it just cranks and doesn't turn over. Even when I put the car in map 0 it won’t start. I bought the jb4 used. Any help would be great. Thanks.

Also thought to add that sometimes there is a loud whining in the front of the car. The car was running and driving perfectly before the install, not 1 issue.

Last edited by Acoop; 09-13-2019 at 08:05 AM..
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Payam @ BMS Payam @ BMS is offline
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Default 09-16-2019, 11:39 AM

Pics of the install? Pics of the board?

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