Originally Posted by Welshman
It would have to be a very long steep hill for your brakes to fade on a new Beemer or any other car for that matter. However I would agree with you that if not changing down would cause you to go too fast for the conditions then downshifting might be appropriate i.e. if you would have to brake for a long period to keep your speed under control, then I think you would be in too high a gear and should shift down. For example if I was following a lorry doing 40 mph down a long hill, I wouldn't be in 6th but most probably either 4th or even 3rd.
Yea I'm referring to only when it's a really long steep hill- more like a mountain during snow/ice conditions- ie when I'm coming back from a ski trip. Thanks for the input.