5-Series (E12,E28, E34, E39, E60)Chat relating to the BMW 5-Series of all generations. Specific models include: BMW 518, BMW 520, BMW 520i, BMW 530i, BMW 528i, BMW 530i, BMW 518i, BMW 524d, BMW 525i, BMW 525e, BMW 528e, BMW 540i, BMW 535i, BMW 520d, BMW 525td, BMW 525d, BMW 530d, BMW 525i/xi, BMW 530i/xi. (BMW 5-Series Forum)
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Hello, I'm thinking about buying an 1985 528e. It has 134,ooo miles decent body nice interior, loaded. It has a problem when at idle. It revs up and then drops down to low idle back and forth... Driving it does fine. When you sit in idle it starts again. If you remove the air filter and block the air intake it levels out. Is this a minor problem or major problem about to occur. The car is $1000. I don't want to put another grand into it. Thanks for ideas and coments.
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