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BMW 3-Series (E90 E92) Forum
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2A7A WONT GO AWAY!
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09-28-2024, 06:30 PM | #1 |
Private
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2A7A WONT GO AWAY!
Hey dudes
2A7A - DME: Camshaft position controller, exhaust, cold start. On cold starts, after a few seconds the engine light comes on, after a few more seconds the idle goes up to around 1100-1200 RPM, and then goes down to normal, with a CEL. When scanned, I get 2A7A and a 3100 that follows. I bought new Vanos solenoids from DORMAN and they didn’t fix it, I cleaned and swapped the camshaft position sensors and it stayed on exhaust. I went to a nearby junkyard and picked up 2 oem used Vanos solenoids and 2 oem used camshaft position sensors, put them in and reset adaptations for both and still the same code. I’m assuming it’s my cam ledge bearings… |
Today, 04:33 PM | #2 |
First Lieutenant
379
Rep 329
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Drives: Green '07 & Arctic '08 335i's
Join Date: Jan 2023
Location: Monterey Peninsula
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Make sure you try the steps in this service bulletin, although it does not list 2A7A. My 2A87 code was boost solenoids, not ledges.
Last edited by BRG_N54; Today at 04:34 PM.. Reason: clarity |
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