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BMW 3-Series (E90 E92) Forum
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The N51 Struggle :(
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07-17-2018, 05:17 PM | #1 |
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The N51 Struggle :(
I had installed aa headers a couple months go onto my n51 with 3SIM with no tune. it ran really good and would purr at around 6k. For about four months it ran perfect and now i have been getting multiple codes and don't know where to start. I have 5 codes that usually are there because of the headers that are lambda/cat/SAP such as 2c3d, 2ca6, 29f5, 29f4, 2a00
The ones im worried about is 2a99/2A98/ 2a87/2a43 crankshaft correlation they all appeared at different times after clearing them i was trying to see if i needed a cam sensor or solenoids; 2a16 DMTL fine leak. I had those for about 2 weeks and it would give me a slight stumble momentary after start up and run fine after and then just yesterday i got these codes 2ad8 EAC sensor, 2aab variable disa. Still runs good after the stumble on start up but now its time to wrench. I have cleaned the solenoids prior already but didn't swap them. Guessing i need a couple solenoids maybe some sensors and a disa valve forsure. Going to try and test the vanos on INPA tomorrow. where would you guys start thanks in advance? |
07-17-2018, 06:02 PM | #2 |
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Did you get a tune?
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07-17-2018, 10:49 PM | #4 |
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You will continue to get codes for your cats until you get a tune. That's the only reason why you're getting these codes and a CEL.
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DONE: Seibon CF Hood, M3 Rep, MSport rear w/DD CF Diffuser, M3 Rep Skirts, Seibon CSL trunklid, Forgestar F14 18s w/Michelin PSS, Eisenmann catback, AA Headers, BPC Stage 2, Charcoal Delete+revMotor+AFE Drop In filter
FUTURE MODS: LED headlights, CF rooftop, M3 Suspension Conversion, Dinan CAI Mod |
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07-17-2018, 11:47 PM | #5 |
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Thanks but I know that I'm not worried about those. I said above I'm just worried about the vanos/ cam sensor codes causing a stumble momentary after start up and disa.
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07-18-2018, 05:36 AM | #6 |
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Clean the sensor or replace
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R.Thillman14.00 Noir883.00 |
07-23-2018, 03:03 PM | #8 |
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