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Q: why my transmission temperature warning light always come on. on 2002 BMW 745i

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
when i am stuck in traffic, or i could just drive 10 miles or less and the transmission light comes on telling me to pull over and let the car cool down, then after 30 min i am good to go. and also the RPM would just keep going up,
No car image 94a1663db56199c5353592009e34aaa51078a2469bed068bb8d6f0ba43accf97
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It means your car has the obd2 code problem, the first you need is to check out the code and then delete/reset it. I know this tool is helpful for your car.
http://www.chinasinoy.com/wholesale/bmw-gt1-dis-v57-sss-v39-compatible-with-all-computer-1252.html
Or you can take your car to the local dealer to diagnose out the code, then they will tell you how to fix it.
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