1999 BMW

  • Tiny
  • Dcamley
  • 1999 BMW

Electrical problem
1999 Other BMW Models V8 Two Wheel Drive Automatic

I got some codes from my code reader. Idle speed control, vehicle speed, map controlled thermostat circuit control, secondary air systems cyl. 1-4 and 5-8. Where do I begin. 1999 BMW 740il.

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Sunday, May 17th, 2009 AT 10:31 AM

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  • Tiny
  • Dr. Hagerty
  • Expert
  • 9,717 posts

This could easily be an overwhelming task for a layperson, do you have the tools, the shop and the skills to do automotive repairs? If not you might need to seek out a BMW pro. The secondary air fault might require cylinder head removal, so it is a possibly extensive repair.

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Sunday, May 24th, 2009 AT 9:48 AM

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