My 530d now has 130k showing on the mile o meter and drives well but when driven south to spain for summer holidays my auto box starts to change into 6th gear with a bang when hot! If left overnight the next day the car is fine.
It's had an oil change and a new sump.
Last winter on very cold days the gear changes were slow when stopping the car suddenly it drop in to 1st gear after stopping when car is cold.it is ok when warmed up.
I have been to gravesend transmission services in kent and they say my auto box needs to be rebuilt! £2.5k was the estimate.
A friend recommends a visit to the zf factory in germany for their gearbox service. Has anybody been there and tried them?
If so can i have the zf factory contact details please.