MY 535I V8 E39 FACELIFT YEAR 2000 HAS A GEARBOX FAULTWHEN IT GETS HOT IT WILL NOT CHANGE UP UNLESS YOU TAKE IT TO FULL REVSI HAVE HAD GEARBOX OIL AND FILTERS CHANGED AND ITS BEEN PLUGGED IN AND SHOWS NO GEARBOX FAULTS ANY IDEA WOT COULD BE CAUSING THIS??
Country: United KingdomMake: BMWModel: 535iSYear: 2000Engine: M62
CHANGED OIL AND FILTER IN BOX
BEEN PLUGGED IN AND SHOWS NO FAULT CODES
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can I please have the last 7 digits of the vin?
HI STEVE THE VIN IS GE69800
what kind of garage has checked for fault codes?
A MECHANIC I KNOW WHO WORKS FOR RANGE ROVERCHECKED IT FOR AS RANGE ROVER USE THIS ENGINE AND BOX HE CHECKED IT BEFORE HE CHANGED OIL AND FILTER IN GEARBOX
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very specific diagnostic equipment is required to read the faults from this transmission, so you need to be sure that he has the correct equipment to do so.
If he does have the correct equipment to communicate with the transmission control module, and there are indeed no faults stored, although the car is going into transmission fault mode, then I would suspect the trasnmission control module itself is bad.
I would advise having the car scanned with a proper BMW scan tool prior to replacing the control module though.
I hope that is helpful, please let me know if you have further questions, or if I can clarify anything for you.
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I DONT THINK CAR IS GOING INTO FAULT MODE WHERE YOU CANT DRIVE IT AS SOON AS IT COOLS DOWN ABIT IT DRIVES NORMALLY AGAIN BUT YOU CAN STILL DRIVE IT AROUND WHEN ITS NOT CHANGING UP PROPERLY IS IT STILL SAME ANSWER??
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sorry I think I misinterpreted your description.
if the car is simply not shifting until full revs, then this would be a problem with the speed input , the trans computer, or an internal mechanical issue with the transmission.
I would again advise a proper diagnostic with a BMW scan tool as you will likely be looking at an expensive repair regardless, so you don't want to get it wrong.
Please let me know if you have further questions.
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