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BMW General Discussion
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Talk about BMWs in general. Post official news, Bangle flames, or anything else related to BMW.
Had an xi in the shop the other day, we added a sub to factory system. But my question is, on those I hear they are't "ture" all wheel drive, the fronts only kick in when they are needed from what I hear...
Anyone knows a little more than this on the xi and cares to shine some light on me?
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Your Ride: 92 525, 88 325 hardtop'ed vert and 83 320iS
Ive never heard of anything like that, I do believe its a full time awd like the X5/3's. One thing I do know that it is almost impossible to loose control of an 330xi on dry pavement. DSC is just way way to good on that car.
The first X5's incorporated DSC to apply brakes at the slipping wheel, transferring the torque to the opposite one. The torque was fixed at 38% front and 62% rear. On newer AWD's including xi's, a multiplate clutch in the transfer case continuously varies the torque from 0 to 100% to either front or rear, depending on the situation, while the DSC still brakes the slipping wheel so the power goes to the opposide side. But I believe the default position is 100% rear.
i dont know about the BMW xi's or for that matter, the IX's, but the deal is with a normal AWD system is that, usually, the rear wheels are the ones in the dry,a nd when the car detects any sort of slipping it either switches to 4 wheel drive or switches from the front and back to rear.. etc etc
Originally Posted by c1apton
I keep forgetting that - I have a great memory but it doesn't last long