OK, so i bought the clutch fan for my 530d (got a slight discount) but when i tried to fit it, the fan touched the pulleys. On examining the visco i saw that the nut that goes onto the waterpump is shorter than the original, which has quite a long shaft. Phoned the lady at Auto Cooling Solutions and told her my problem. She then got me the right visco, but her suppliers charged her about 50% more for the same visco but with the extended nut. Got that yesterday and now the fan is not catching anywhere. Must say that the lady owner went out of her way to pick up the stuff from my sons house that i sent back on Sunday and she also went to a lot of trouble getting me the right visco. :thumbs: