theres a hissing sound came out under the hood
Feb 28, 2010 at 8:40 PM
1990 BMW 525i hissing sound
1990 BMW 525I
RYAN2000
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Hi there,
This will normally be a vacuum leak, you will have to get a mechanic to go over the induction and brake booster and check for a leak, start there.
mark (mhpautos)
This will normally be a vacuum leak, you will have to get a mechanic to go over the induction and brake booster and check for a leak, start there.
mark (mhpautos)
Feb 28, 2010 at 9:04 PM