mates 1100 suddenly lost all drive in all gears except 5th.Never been into a BMW box before,before I open this can of worms does anyone have experience of these boxes?do you need any BMW specific special tools?Mate hasnt worked in 4 months so buying a replacement box not an option.I have a good 1150 standard box if anyone fancies a swap for an1100 box [reckon that would save a lot of grief!!] any help appreciated ta


