On my model year there is no final drive drain plug. To drain the oil I must remove the ISA screw from the tension strut and lower the final drive. My DVD repair manual states that the ISA screw holding the final drive to the tension strut must be replaced after being dismantled. My BMW parts dealer says the techs only replace the nut. He has to order the screws from Germany.
Who is right, the BMW repair manual or the dealer?
The same applies for when removing the engine oil filter. The pivot mount of the side stand is held by three ISA screws. The repair manual also states that the screws must be replaced once dismantled.
Are other BMW dealerships only replacing the nuts? The screws? Or both?