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(damn).. (archive)

[ Follow Ups ] [ 5-series (E34) Message Board ] [ Msg. Board FAQ ]

Posted by Dragos on October 19, 2001 at 12:38:56:

In Reply to: Paul's right about the spin - re: snow-- posted by MicahO on October 19, 2001 at 08:23:25:


Finally, and on a semi-related note, what the hell was BMW thinking with the Hill Descent Control in the X5? A system that slows vehicle progress ONLY by engaging the brakes, thereby massively overheating them on a longer slope??? If I can't figure out how to downshift and do it my-damn-self, I'll take what GM/Allison have done on their new intelligent transmissions.

(I guess my post didn't help at all in the end..)
As for HDC, there's what BMW was thinking :
- they got an awesome deal of getting the "technology" (probably co-owners of the patent now) from LR before dumping it to Ford. Now Ford can't quite liberally use it for their own purpose.
- HDC works up to 5mph and that is no speed that can overheat your brakes, even given the steepest and longest ramp. The beauty of the system is that it works so smooth - at such low speeds any excessive braking (engine or mechanic/hydraulic - you know what I mean) inputs disrupt the balance of the vehicle.

I seriously doubt that you could keep a car going down a steep slope at a constant 5 mph.

Dragos
doesn't know how a LSD presents itself but has one anyway



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