BMW X3 Rough Idle Fix
Channel: Death Wobble Is Life
Date: 2019-11-22

Fixing BMW X3 E83 N52 engine, rough idle and stuttering stalling issues, During idle it would fluctuate, but after driving around for a while, it would stall or have erratic idle acting as if it's misfiring. 
We have replaced the spark plugs, but idle was still acting as misfire and stutter on cylinders 2,4 and 6. So this time around we replaced those coils, and few extra maintenance related parts, such as serpentine belt, and oilcap. 
While testing running the vehicle after installing the belt, we realized that belt tensioner assembly had failed which led to belt slip half way off and tear it up. 

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Have a great Day. 








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