01-11-2013, 01:48 PM
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Humble E34 lover
Location: Asheboro, NC
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Join Date: Dec 2008
Posts: 4,718
Mein Auto: 1992 525i
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Quote:
Originally Posted by Monsignor
sounds like it could be a loose spark plug. Get in there and torque them down. If you have a torque wrench the spec is
Spark Plug to Cylinder Head . . . . . 30 Nm (22 ft-lb) (Bentley, page 020-11)
If you need to replace them they are Bosche F7 L DCRs (Bentley, page 020-11)
Also make sure the coil boots are in good shape and not damaged
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+1 
__________________
Steve
Calypso Red 1992 525i with 170K miles
1991 735i - Sold
1992 525i - Sold
1995 325is - Sold
2000 528i - Sold
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