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Wont start, weak spark on the spark plugs - M Series BMW Cars & Trucks

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You should check your leads. if they are silicone a slight bend can break them and you will have a very weak spark. Also check the gap on the spark plugs, if the gap is too small there wont be a very good spark. If those are all ok check the coil pack(s), they may need replacing.

Posted on May 08, 2009

  • Ryan McGinlay May 08, 2009

    You should check your leads. if they are silicone a slight bend can break them and you will have a very weak spark. Also check the gap on the spark plugs, if the gap is too small there wont be a very good spark. If those are all ok check the coil pack(s), they may need replacing.

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To confirm the problem, the basic troubleshooting is required.


Click this link below and follow the troubleshooting:------

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