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2000 BMW 325 hard to start engine during the day, no problem

Tiny
ESTATECAR
  • MEMBER
  • 2000 BMW 325
  • 6 CYL
  • 2WD
  • MANUAL
  • 140,000 MILES
My bmw e46 325 doesn`t start first time during the day, I have to keep the key turning for about 30 sec before the engine fires up. The starter motor spins and the engine turns over but dont start staightway, only does it during the day when the engine is warm. In the cold morning starts ok. Every time after starting it smells like unburnt fuel. Any help?
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Monday, March 1st, 2010 AT 4:05 PM

3 Replies

Tiny
DOCHAGERTY
  • MECHANIC
  • 9,601 POSTS
Long crank times can indicate a failed camshaft/crankshaft sensor. Fault extraction would be the next step I would take.
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Tuesday, March 2nd, 2010 AT 10:55 AM
Tiny
ESTATECAR
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I had pluged in the diagnostic computer (Lunch 431) but only comes up with fulty oxygen sensor after the cat.I don`t know if this has anything to do with this.
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Tuesday, March 2nd, 2010 AT 3:29 PM
Tiny
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You may not be able to get any manufacturer fault codes without the proprietary BMW software/scanning equipment. It is accessed through the 20 pin diagnostic connector under the hood.
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Tuesday, March 2nd, 2010 AT 10:52 PM

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