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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Mechanical Maintenance: Break-in / Oil & Fluids / Servicing / Warranty > Burning rubber smell and white smoke after changing plugs and ignition coils



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      05-07-2020, 08:21 PM   #1
AdamAllenE93
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Burning rubber smell and white smoke after changing plugs and ignition coils

Title says it pretty well. I switched the plugs and coils. It fired up, sounds great, and runs perfect. I got down the road and smelled burning rubber. Popped the hood and there's a small amount of white smoke coming from middle to rear ignition coil area. I drove straight home, popped the hood, and there was still smoke; although the smell wasn't as strong.

I used Bosch ignition coils and plugs. My car is a 2011 335i with an n55.

Thank you for any help!
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      05-08-2020, 09:15 AM   #2
Phil325i
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Something dropped on the exhaust while you were working? Plug not torqued down properly? Wiring trapped against something hot?

I'd take the cover off and have a long hard look at everything you touched...
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