Bimmerfest - BMW Forums - View Single Post - help! 540i 95 not turning on!!!
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Old 10-04-2012, 10:37 PM
paperplane94 paperplane94 is offline
Officially Welcomed to the 'Fest
Location: Los Angeles, CA
Join Date: Jan 2012
Posts: 933
Mein Auto: 1989 525i M20B25
3 solutions to your problem...

1. Your Starter has gone bad. A failing starter can cause intermittent start symtoms just as you describe. They can be removed and bench tested by any local autozone or oreily.

2. Something got wet when you lost all your coolant like the CPS (though the engine should still turn), or an important relay somewhere.

3. Your battery cables are loose. Perhaps when the new one was installed they didn't tighten the cables.
you can check those yourself:

here are a list of no-start solutions as well, though most are unrelated to your particular problem of the engine not turning over at all:
THE DEFINITIVE "NO START" trouble-shoot instructions - Bimmerforums - The Ultimate BMW Forum

Last edited by paperplane94; 10-04-2012 at 10:40 PM.
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