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12-05-2011, 08:50 AM | #1 |
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Maintaining high rev on a race track in X1 with 6-speed automatic
The other day I took my X1 with 6-speed automatic transmission to a race track for a ride.
First I tried DS mode. It was great. But in a 2nd-gear corner, it will instead navigate it in 3rd gear with 3k~4k rev. I then tried manual mode. So I was entering the corner in 2nd-gear with 5k~6k rev. Great. However it won't hold for 2nd gear. Somewhere within the corner, it automatically upshifts to 3rd gear. So in either case, be it DS or manual, I ended up exiting the corner with 3rd gear of 3k~4k rev. Then I applied full throttle and kick-down, it downshifts to 2nd again and started to accelerate. You see the issue here. The slow exiting and downshifting when I get on the straight is costing me 0.5~1s on a single corner. I don't have any prior experience doing drivings on a race track. Am I doing things the wrong way or is it not at all suitable for such kind of driving, even amateurs' trial laps, where I was not competing my time with anyone/any car? |
12-05-2011, 05:59 PM | #3 |
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I am not sure about the behaviour of the manual mode for your car. My X1 xDrive 2.8i will shift only if I reach redline while in manual mode. Hence, Manual is truly manual for mine.
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12-05-2011, 08:01 PM | #4 |
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12-05-2011, 08:04 PM | #5 |
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Mine is also the case when I'm on full throttle. But when I'm in half-throttle, which is the case in corners, it somehow thought I'm not that much to accelerate. So it shifts up before it gets red line.
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12-07-2011, 07:34 AM | #6 |
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12-07-2011, 08:36 PM | #8 | |
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Quote:
However the shift issue described in this thread is holding me off from accelerating out of turns. I'll try to make a vid next time. But this is a road-going auto suv-lite anyway so don't expect much. |
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12-26-2011, 07:35 AM | #9 |
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Impressive.
I dont have an X1 but my e90 is a steptronic as well. I find the auto doing the same thing but cant do anything except shift manually. it is still a lot better than other automatics though ie benz and audi. |
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