E39 535 V8 Autobox issue. Can it be corrected with software
Discussion
Ok So I no longer own a BMW as we shopped the cars in to buy a house and a cheap diesel estste to handle all the building chores.
My mate bought a BMW 5 series 535 and he has noticed when the car is on the motorway if won't change up gears with the auto trans. However if you switch the car to manual and change up the car changes up ok through the gears.
Has anyone come across this before? Can this be rectified by a BMW diagnostic? Or is there a bigger problem?
Thanks in advance in would good so I can advise him ont he next course of action with his car.
My mate bought a BMW 5 series 535 and he has noticed when the car is on the motorway if won't change up gears with the auto trans. However if you switch the car to manual and change up the car changes up ok through the gears.
Has anyone come across this before? Can this be rectified by a BMW diagnostic? Or is there a bigger problem?
Thanks in advance in would good so I can advise him ont he next course of action with his car.
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