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BMW 3-Series (E90 E92) Forum
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New Cats in BMW e90 (N54) smoking
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02-10-2025, 03:12 AM | #1 |
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New Cats in BMW e90 (N54) smoking
I just replaced my cats with VRSF cats and when I started the car in my garage for 20 seconds, I turned it off because I seen smoke coming from the cats itself traveling upward by the engine, and a lot of smoke coming from the exhaust tailpipes with water dripping out. I don’t know if I did something wrong or not but I don’t see anything leaking from the cats itself.
Also, I received codes P1449, P0304, P0420, and P2098 (I don’t know if I failed clearing them before I installed new cats). I know I have to change my fuel injector because I changed cylinder 4 spark plugs and ignition coil but still get the same code. Any information or thoughts on this would be appreciated. Thank you Last edited by JujuTafari; 02-10-2025 at 03:17 AM.. |
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