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What am I missing about Cambiocorsa?

4033 Views 26 Replies 17 Participants Last post by  Rich Hale
I test drove a GrandSport for the first time today in Southern Cal. And, well, I came away pretty disappointed and confused. First, it is in nearly every way a glorious car. I love the looks, the cockpit, the driving position, the ride, the glorious sound, and the sensational engine and its enormous pulling power. It's hard to imagine a more satisfying Coupe. At the risk of offending Porschefiles, I found it much more visceral and subjectively faster than the 911S (I know about the numbers.)

But . . . the cambiocorsa sequential transmission on the car I drove was, certainly by BMW standards, primitive to the point of my wondering if it was defective. I should say, in advance, that all the driving I did was in Sport Mode, and was under the supervision of a nervous sales rep. I've read the threads bemoaning the difficulty of launching the car from a stop, but I sort of assumed that it really wouldn't just sit there forever in first before deciding to move. Little old ladies in Civics were on the other side of the intersection before the GranSport started moving on out. Is the choice really to just sit there as it decides to move, or to stomp on it like a street racer to get its rear moving (with all the attendant drama of smoke and squeal?)

The downshifts, moreover, were molasses slow. The sequential in my BMW 550i seems to downshift twice as fast, while the downshifts in my previous 2003 M3 (in S5, not even in the most extreme S6 setting) seemed four times as fast. Is this just the way it is? If so, the transmission just seems incompetent to me. And with a technology that is certainly mature for both Ferrari and BMW, inexcusable. Tell me I'm missing something, that the sales rep just didn't know how to set it up or tell me what to do, or that there must have been something wrong, or that I just messed up. Or at least tell me that there is a new twenty-first century sequential in the pipeline.

If anyone in Southern Cal thinks I've got this wrong, I'd love a demonstration, and would gladly swap a little driving in my Z4 M Coupe (serious fun).

She's still a beauty, and the engine is fabulous, but . . .
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I'd have to suspect there was something wrong with that box. You do have to cane it off the line and can give it a goodly amount of revs without appearing to be a boy racer.

There's no way I'd ever describe the downshifts as slow. Unless maybe you were close to redline in the previous gear. Doesn't sound like the case with a nervous sales person aboard.
jrb said:
Well, it's starting to sound as if there is a good possibility of a clutch problem.

First, for anyone who hasn't driven the BMW SMGs at length, you should know that with some experience they become super driver's tools--off the line (no need for launch control) or in spirited driving either on the road or on the track. And, in all but the most aggressive mode, you learn how to make them upshift seamlessly. They're terrifically engineered, but need a little practice with throttle modulation on upshifts; as well as practice blipping throttle in less aggressive modes on downshifts. (This is why some folks who are new to them have issues with them.)

Exactly. Thats why I take posts about problems with the CC in the automotive press with a grain of salt. You've GOT to spend some time with the box to get the most out of it.

Realize too that peak torque comes in above 4500 rpm and that the V-8 is comparatively slow revving. You've got to put your foot into it more than you're used to or would expect to have to in order to get it moving.

Go back with all these (and previous) thoughts in mind and give it another shot.
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