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BMW 3-Series (E90 E92) Forum
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P2D2B & P2F80 engine code
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| 05-30-2012, 05:46 PM | #1 |
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P2D2B & P2F80 engine code
Hi guys
Need some help...my car on startup hesites... It sounds like battery or starter but i got headlights working normal The first time gave me a yellow battery sign and my clock got reset The second time gave me low brake fluid which is full i checked and again it reset my clock Third no action on starter but got power to headlights I used my Cobb AP to read those codes.... Now i have a service engine soon yellow Bmw 335i 2007 mods are intake and cobb only |
| 05-31-2012, 05:18 AM | #3 |
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Major General
 
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sounds like your battery is shot....
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07 335i AT - MOTIV 750 - MHD E85 BMS flash - BMS PI - JB4G5 - Okada Coils - NGK 5992 Plugs - Helix IC - Snow Stg. 3 - Stett CP - Custom midpipes with 100 HJS Cats - Bastuck Quad - PSS10 - QUAIFE LSD - BMS OCC - Forge DVs - AR OC - ALCON BBK - M3 Chassi - Dinan CP - Velocity M rear Toe arms - Advan RZ-DF - LUX H8 - Level 10 AT upgrade
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| 05-31-2012, 08:00 AM | #4 | |
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| 05-31-2012, 08:57 AM | #5 |
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Don't forget to register the battery replacement in the ECU. The ECU has a charging profile based on battery age. The older it is, the more the alternator puts out. If you don't, the new battery may get overcharged and it will crap out early. I've heard reports of new batteries getting killed from overcharging within 3-6 months if battery replacement is not registered in the ECU. Must be done with a BMW diagnostic computer that can code modues such as GT1, Autologic, or INPA cable.
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| 05-31-2012, 11:29 AM | #6 | |
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