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E90 Sedan / E91 Wagon / E92 Coupe / E93 Cabrio - General Forum
The E9X is the latest evolution of the BMW 3 series including the highly tuned twin turbo 335i variant pushing out 300hp and 300 ft. lbs. of torque. BMW continues to show that it sets the bar for true driving performance! Post questions about "upgrading" from your current E46 here or jump over to E90Fanatics.com!

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Old 03-18-2017, 02:34 PM   #1
Alexx96
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Join Date: Mar 2017
Location: California
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My Ride: 2004 325ci 2006 330i
330i won't start up all of a sudden?

I recently got an 06 330i. This morning it started like normal, perfectly fine, then about 20 minutes ago when I went to start it again it cranked about 3 and times and sounded pretty slow then it just stopped. I tried again a few minutes later then once again cranked a few times then stopped. Can it possibly be the starter or battery? The electricity seems to be working fine though.

Last edited by Alexx96; 03-18-2017 at 02:39 PM.
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Old 03-18-2017, 09:20 PM   #2
BMWAddict2007
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Location: Missouri
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My Ride: 07 E90 328i
It could be the battery but lights, etc would be acting funny. Do you happen to know how old it is? If it's not that, it's likely the starter. Mine gave out at 130k on my 328i. Talked to a few local shop owners and they all said the e90's (at least the early ones) had some pretty weak starters
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Old 03-22-2017, 08:10 PM   #3
bmwguyNC
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My Ride: 02 325i/06 330i e90
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Mine after parking from a run to town I went back out to crank and all it did was turn over, no crank. It ended up being the DME, EWS,CAS. They were not communicating properly. Old battery must have dipped to low causing the old gal to lose her mind (lol). All the tech had to do was hook up his huge Autel diagnostic and realign the DME with the EWS or CAS I cant remember but then she started right up. New Battery of course it was 10 years old..And mine is an 06 as well.

Last edited by bmwguyNC; 03-22-2017 at 08:18 PM. Reason: additional info
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Old 03-22-2017, 08:13 PM   #4
bmwguyNC
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Mine after parking from a run to town I went back out to crank and all it did was turn over, no crank. It ended up being the DME< EWS
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Old 03-22-2017, 08:14 PM   #5
bmwguyNC
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2006 330i crank no start

Mine after parking from a run to town I went back out to crank and all it did was turn over, no crank. It ended up being the DME< EWS

Last edited by bmwguyNC; 03-22-2017 at 08:17 PM.
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330i, battery, crank problems, won't start

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