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E21, E30General discussion and technical help for 1975-1991 3 series cars.
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Your Ride: 1988 325iC
1988 325iC -Idle too fast
1988 325iC
Hi,
Car starts after 2 or 3 revolutions and runs normal. Idle is about 900 RPM.
As soon as I drive the car a little, idle is about 1800 RPM.
No fault codes (1444=no problems detected).
Your Ride: 92 525, 88 325 hardtop'ed vert and 83 320iS
When its idling high like that take a small hammer and tap the idle air valve, if its still there tap on the mass air meter, the doors inside usually get stuck.
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1992 525i, 1988 Hardtop'ed Vert and 1983 320iS