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BMW 3-Series (E90 E92) Forum
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Spark Plugs and Coils Replacement
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| 03-17-2015, 01:18 PM | #1 |
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Enlisted Member
 6
Rep 43
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Spark Plugs and Coils Replacement
Hi guys, so I had a Cobb v2 installed on my 09 335xi coupe. Got some misfiring codes after a while so uninstalled for now. I hear that Spark Plugs and Ignition Coils should be the first thing to check/replace so was curious what this should run. I think ECStuning has a package to buy everything I need using Bosch parts for about $315, or is there somewhere else that can do better?
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| 03-17-2015, 01:42 PM | #2 |
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ex deus machina
124
Rep 968
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just replace the spark plugs
if you get misfire codes in a specific cylinder then replaced the coils
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Winter Beast: Audi S4 4.2L V8, Supercharger, brakes, suspension & exhaust mods Wifes': F15 M50d clone, DUDMD tune, WMI, MPBK Gone: E92 335i N54 468rwtq |
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| 03-17-2015, 01:50 PM | #3 |
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Colonel
533
Rep 2,872
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As stated above. Replace all the plugs, use the Bosch OEM from ECS or Amazon wherever, then if you still have a misfire, move the coil from that cylinder to another and see if it follows the coil. If it does, replace it.
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