01-19-2019, 01:19 PM | #1 |
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Sideways in xdrive BMW
Is it possible to drift/get some sideways action in a 435d xdrive BMW? Not interested in trying it out at all but just very curious if you can get sideways if you turn DSC off in sport +. Just seen Joe Achilles BMW M5 competition video which is xdrive as well as 2wd. I know there is Day and night between a 435d and M5 convo but has just got me thinking.
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01-19-2019, 01:48 PM | #3 |
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You may get a little bit of play in Sport+ but the front traction will dial most of it out.
If you want proper 4WD drifting you need a Hoonicorn :
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01-19-2019, 01:59 PM | #4 | |
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01-19-2019, 02:04 PM | #5 | ||
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01-19-2019, 03:49 PM | #7 |
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On a BMW driving day I went to, they had a test which involved approaching a coned turn at very low speed, then giving full lock and hitting the throttle hard at the same time. Road was watered, so wet. The rear end did briefly come round on the 435d test car, but it took an awful lot to provoke that. Increase the approach speed and on dry road then you'd have to be brutal (scandi flick) to unsettle it enough to drift, I would have thought.
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01-19-2019, 05:43 PM | #9 |
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I've had mine sideways once or twice in my mapped 435d albeit on damp roads surprisingly easy to get back under control
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01-19-2019, 05:51 PM | #10 |
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01-19-2019, 06:16 PM | #11 |
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With my square (225) winter tyre set, the back end can step out quite easily if I put the power down too quickly when leaving a bend. With hindsight I would have gone for 255 rear tyres. It can be fun, but the contrast with the MPS4S summers is huge.
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01-20-2019, 03:20 AM | #13 |
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When I had my 335d I found the level of provocation required to get the tail to move much was considerable. Although as pointed out when running a square tyre setup it was more playful. I'd actually argue that 225 all round would have been better overall on it regardless of the season. Living in the countryside we get a fair bit of mud on the road at times (especially during ploughing season) which would make things much more enjoyable.
I think the 4wd Sport mode that the M5 has, and presumably the 4wd versions of the upcoming M3/M4 is probably the best day to day mode for balancing fun and safety. |
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01-20-2019, 04:46 AM | #14 |
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Yes you can. Pretty easy in the damp and wet, but you need to be fairly brutal and deliberate to do it in the dry, even with a remap.
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01-20-2019, 08:21 AM | #15 |
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Fit some ditch finder tyres on the xDrive, that will help.
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01-20-2019, 08:41 AM | #16 |
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I would imagine the xdrive moving the drive forward in response to wheel slip at the rear would stop most of the sideways movement in all but very slippery conditions.
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01-20-2019, 09:37 AM | #17 |
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01-20-2019, 11:23 AM | #18 |
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01-20-2019, 12:18 PM | #19 |
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01-21-2019, 03:21 AM | #21 |
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I think there are different Quattro systems, so this probably doesn't apply to the RS or perhaps the S models, but I don't think that the more mundane Quattros are set up with BMW's bias towards RWD, making them less entertaining and more prone to understeer.
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01-21-2019, 03:27 AM | #22 | |
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Audi use a few different systems, but the vast majority are native FWD platforms that shuffle some torque to the rear, and an increased amount when slip is detected, but it's never all that much and nothing like as much the xdrive system does. So that plus normal wooden Audi nose heavy handling makes it highly unlikely.
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