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1995 BMW 740iL Surge & Smoke at Idle
Posted to Technical Discussion Forum on 9/9/2002 7 Replies

A long time customer just purchased this car used with 105k. After the seller replaced 2 o2 sensors and brakes, the car started a surge at idle and now smokes on start up cold or hot but very little smoke on hard accelleration. Testing indicates a vacuum leak ... Login to read more.

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