CAVITATING

1998 BMW 328

Tiny

kitwe

March, 6, 2009 AT 3:45 PM

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.

FOUND 4250 RELATED QUESTIONS

1 Answer

Tiny

Dr. Hagerty

March, 6, 2009 AT 11:25 PM

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

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