BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > General E90 Sedan / E91 Wagon / E92 Coupe / E93 Cabrio > TPM malfunction

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      03-04-2013, 08:22 AM   #1
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TPM malfunction

I just got some "new" used 230 rims from a member and I am getting the TPM malfunction. I tried to reset it but it is still there. Is it possible the battery in the sensors are dead? How long do they even last? Any other suggestions?
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      03-04-2013, 10:59 AM   #2
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Depending when the 230's were manufactured the TPMS may not match your car. If they are post 2010-11 (not sure how far back 230's go) then you definitely have different monitors than a 2011 car. My snows and wheels came off a 2009 and the TPMS light is on because BMW changed TPMS suppliers in 2010-11. My car is a 2011.
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      03-04-2013, 11:18 AM   #3
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I take it you are both still driving E92's? If you are, then your vehicle TPM doesn't use sensors to monitor the pressure. To quote from the handbook:

"The system does not measure the actual inflation pressure in the tires. The system detects a tire pressure loss due to speed comparisons among the individual wheels as you drive. In the event of pressure loss, the rolling circumference changes and, thus, the rotating speed of the affected wheel. The system detects this and reports it as a flat tire."

That is, it uses the technology behind the ABS etc. Any sensor fitted to the wheel will be ignored. You just need to reset the TPM after fitting your new wheels.

The only caveat is that not all sizes are compatible, and you should try and stay within the limits of original fitments.
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