Quote:
Originally Posted by evilchargerfan
*latest change to car = charge pipe*
got the dreaded "drive train malfunction" msg. no codes other than one for drive train overheating:
"4209A4: Temperature sensor system: Hotmode 3 - excess temperature"
car didn't seen to shake or drive funny or smell any diff
anyone familiar? I'm not sure if it's the usual spake plugs / ignition coils / hpfp like most... im wondering if it's legit a drive train issue?
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Go to this site and plug in your fault code and engine and read through all the "View" links under the Fault info column. This might give you a little more info on what to look for.
https://bmwfault.codes/
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