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BMW 3-Series (E90 E92) Forum
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Please help me w N54 problem
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09-23-2024, 12:53 PM | #23 |
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09-23-2024, 06:42 PM | #24 | |
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Please run a OBDII scan and post the actual codes. And did you really put all index 12 injectors in? A new set from FCP Euro is almost $2,500…. https://www.fcpeuro.com/products/bmw...13538648937kt2
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10-11-2024, 11:18 AM | #25 |
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Hello! Well I have news! After the horoscope reading.. lol… I put the plugs back in and tightened to spec then put coil packs on randomly. The car started! It idols and RUNS!! I drove it 10 miles! BUT.. it runs like shit.. I know I’m probably damaging the engine. It takes about 30 seconds to get to 60 mph. And if I sit at a red light for too long it starts to smoke under the hood but IT RUNS!! Any new hypothesis’?
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10-15-2024, 02:41 AM | #27 | |
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the carboned up cylinders may have worn rings, a leak down test or compression test would verify, as it's likely from oil leaking past the rings into the combustion chamber. however it could also be worn valve stem seals. ( why a leak down would say whether rings or stem seals) good luck getting it figured out, once i get my VAC baffle i nstalled and oil pan back on, i get the fun of yanking out my manual trans and clutch assy/flywheel to replace a pushed out rear main.. YAY.. POS PCV system.. i've also come to the conclusion BMW means Bring my Wallet if your not mechanically inclined, and if you are "be mechanical wizard" ... |
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10-15-2024, 12:08 PM | #28 |
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You're continuing to risk further damage by guessing and asking the web without even posting up what's been asked.
If you already know you have a bad MAP sensor, you have a good chance of running lean which may have already caused engine damage. The clean piston tops would indicate the carbon has either melted off due to extreme combustion temps from a lean event or it's been washed off from leaking injectors. The injectors absolutely have to be coded or they're spraying the wrong amount of fuel, further throwing things off. Were they brand new or used/"reman"? |
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10-17-2024, 12:32 PM | #29 | |
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