Do I need to buy the tire sensor monitors

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Mar 20, 2008 | 10:42 AM

jdcinc21

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From: San Antonio, Tx

My Ride: 2004 545i SMG

Im about to buy the oem 166's from bmw of newport and was wondering if i really need the tire sensor monitors or not?

thanks in advance guys,
jeff

Mar 20, 2008 | 10:46 AM

delje08

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From: SF Bay Area, CA

My Ride: 545i

Model Year: 2004

since you have a 2004 you dont need them since they are not built in.

Mar 20, 2008 | 10:48 AM

jdcinc21

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From: San Antonio, Tx

My Ride: 2004 545i SMG

Quote:

Originally Posted by delje08' post='548208' date='Mar 20 2008, 01:46 PM

since you have a 2004 you dont need them since they are not built in.

built in to what?
and where are they instead?

Mar 20, 2008 | 11:34 AM

bauska

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From: New Jersey, US

My Ride: 2008 Carbon Black 550i, Sports, Premium & Cold Weather Packages, Steptronic, HUD, NAV.

I have a 2004 car. Our cars calculate diameter of each tire. No need for sensors. Once the rubber valves & wheels are installed, set via iDrive the tire monitoring. Be patient because it takes some miles to drive in order to measure the diameter of each wheel. If you get a flat, diameter changes and you get notified that one tire is damaged. We cannot say which one, but with non-RFT - you will see which one.