Thread: N52 Vacuum Pump
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2007328xi 2007328xi is offline
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Join Date: Jul 2018
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N52 Vacuum Pump

My 2007 E92 with the N52 engine started having a hard brake pedal. The brakes work just require a lot of effort. In try to diagnose the problem I connected a vacuum gauge to the vacuum pump to see if that was the culprit, reading was very low on the gauge but I cannot find a source for what is normal or expected value. Anyone have a suggestion.

thanks
Old 07-05-2018, 11:47 AM
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