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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Mechanical Maintenance: Break-in / Oil & Fluids / Servicing / Warranty > n52 valvetronic/ vanos. 2a98



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      09-17-2023, 12:18 PM   #1
Pontus933
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Hello!
I replaced my valve cover gasket, and i removed the valvetronic motor without putting it in service mode, so it fly out. I put i back and did the service mode thing.
I started the Car and drive Home, like 10km no warnings but the Car feels slower than normal.
The day after engine light turns on and var start to go really bad.
I read codes and got 2a98 and 2a82 but the 2a82 is gone after i delete them. 2a98 stil coming back.
I switched the 2 vanos solinoid but stil got the code on intake vanos.
I tried to remove valvetronic and mount it back in, no differens.
The car goes like crap now. Can it be so simple i need to adapt vvt with a scan tool?
I have tried the ignintion on, and the gas pedal thing, it dont work.

Need help, if i read the position off vvt with ignitiln on it says like 40 grade.
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      09-20-2023, 05:35 AM   #2
Pontus933
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Fix it, just adapted the start and stop point for valtronic motor 😃
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      10-20-2023, 02:38 PM   #3
Dingsky
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Quote:
Originally Posted by Pontus933 View Post
Fix it, just adapted the start and stop point for valtronic motor 😃
Hi Did you use INPA to do the valvetronic adaptation? are you able to show the screenshot please?
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