2001 Other BMW Models exhaust

2001 BMW
115,000 MILES • V8 • 2WD • MANUAL
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ROOSTERS
  • MEMBER
  • 1 POST
my 540 recently started to run rough, and the exhaust was a big snowy white cloud when i started it cold. i thought i had gotten some bad gas, so i put in a water removing additive. now it runs smoothly, but i still have the billowing white cloud when i start it cold.
Feb 10, 2008 at 8:27 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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DOCHAGERTY
  • CAR REPAIR CONTRIBUTOR
  • 9,603 POSTS
are there other symptoms? is the coolant level staying normal? Are there any fault codes? What is the repair history?
Feb 21, 2008 at 4:10 PM
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