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2005 BMW 325i

 

Question: Low Compression on cylinder 1

Question

Whiteshadow, East Setauket, NY, January 25, 2011, 09:23
 Rookie

I tokk my 1995 BMW 325i to the shop to have the engine checked. Cylinder 1 is showing low compression. Oil was found to be inside the spark plug.

Any ideas?

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  • Answer #1

    overbys from Overbys Inc, January 25, 2011, 13:32
     Master

    you have oil coming thru the rings and into the combustion chamber, which will eventually foul that plug. for the short term, you can change that plug as soon as it gets fouled, but the permanent fix is an engine. probably more expensive that the car is worth.

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  • Answer #2

    Visitor, February 09, 2011, 13:43

    Could also be worn valve guides...

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