1998 BMW 328 Cavitating

Tiny
KITWE
  • MEMBER
  • 1998 BMW 328
  • 6 CYL
  • 2WD
  • MANUAL
  • 49,000 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
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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