1998 BMW 328 CAVITATING

  • Tiny
  • Kitwe
  • 1998 BMW 328

Engine Mechanical problem
1998 BMW 328 6 cyl Two Wheel Drive Manual 49000 miles

When the engine warms up to normal it will start to rev too approx. 3000rpm then go back too normal idle rpm ( 900 ) then back up to 3000 then back to normal. Up. Down. Up.

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Friday, March 6th, 2009 AT 3:45 PM

1 Reply

  • Tiny
  • Dr. Hagerty
  • EXPERT
  • 9,737 POSTS

There is a vacuum leak. Probably the air intake boot, inspect for tears or ripped areas.

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Friday, March 6th, 2009 AT 11:25 PM

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