Question about 2003 BMW 325

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It makes a sucking noise behind the dash when backing off the accelerator. when setting off engine drops revs and nearly cuts out

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Hi, your brake booster may have a torn diaphram. To verify, remove the large vacuum hose from the booster and plug it with a towel. Start the car and see if the problem is gone (do not drive the car with the booster line off). Please let me know if you have more questions, and thanks for using FixYa.

Posted on Jan 02, 2011

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Posted on Jan 02, 2017

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