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      11-10-2019, 08:37 PM   #9
GC315
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Drives: BMW 750Li XDrive
Join Date: Nov 2019
Location: United States

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I just had a thought... will this work?

I'm wondering if it would work if I took the TPM sensors from the wheels I took off (that worked fine) and put the same TPM sensors in the wheels I put on? I'm thinking that it should work, right?

Quote:
Originally Posted by Qsilver7 View Post
TPM Malfunction? (A pic would have really been helpful). Are you getting a malfunction warning or just a low tire warning due to changing over the wheels?

Did you reset the TPM system after replacing the wheels? Any wheel/tire change or inflation...the system should be reset by going into iDrive and scrolling to the INIT or RESET icon along the left side of the screen...and the engine needs to be running to initiate the change...then you proceed to drive.

I'm not clear if you have a malfunction or you just need a reset? But the warning probably has nothing to do with 19" staggered wheels on the rear. It's more of the sensors aren't communicating with the control module...or you need to reset/initialize the system with the change of wheels.

Also, BMW changed the TPM sensors and perhaps your old sensors don't communicate with your new car. If you remember the VIN of your old car...input that data into one of the online part database sites (like www.realoem.com )...and pull up the correct 11 digit BMW part number for the sensors used for that car...then compare that to your new car and see if they use the same part number. If they don't...then you've found the problem...you'll need to install new sensors that are compatible with your new car.
Quote:
Originally Posted by Qsilver7 View Post
Just getting back to this...yeah, it looks like the problem is the sensors are incompatible.

The only thing you need to do to fix the issue is have the correct TPM sensors installed. You'll be able to save some money if you go to one of the major tire chains or use the correct 11 digit BMW part number you need for the build date of the car that the wheels are being installed on...and shop online using the correct 11 digit BMW part number. Once you receive them, then you'll have to have them tires dismounted from the wheels to install the correct TPM sensors...and you'll be good to go.

Again, you only need to have the correct sensors inside the wheels that have the same protocol as the car's system. Don't get confused with the frequency...I believe both are 433 MHz (in the USA)...but the protocol before/after the 3/2014 build date is what's different.

Good luck.
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