11-17-2017, 06:13 PM | #112 |
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2016 F80 ZCP here, gunned it onto a sharp ramp merging onto the highway the other day and felt the back end slip out on me, no other issues. it was cold though i think it was the grip on the summer tires
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11-18-2017, 02:54 AM | #113 |
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That's completely normal
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06-13-2018, 10:45 PM | #115 | |
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I have the same exact issue with my 17’ competition pack. It’s scary as shit when it happens. When it happened last week going about 45 getting on the highway my wife asked me “what the hell just happened?” When it happenes it feels just like the front end of the car hits a 2ft patch of black ice.
I’ve taken the car to two dealerships the first said they couldn’t find anything wrong the second I had the machanic take the car for a test drive and he felt it happen a few times. The master mechanic said it’s happening because of my 12mm wheel spacers. I’m not buying that. So they removed my spacers took it for a drive and said it was fixed. First sweeping turn after leaving the dealership it happened again! I headed back to the dealership for them to take another look tomorrow. Has anyone fixed this issue? Quote:
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06-13-2018, 11:30 PM | #117 |
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Posssibly traction control? I noticed what felt like rear wheel hops in very sharp corners while applying power. I turned traction control completely off and all is well with the world. I only keep traction control on when it's wet and cold out.
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06-14-2018, 03:07 AM | #118 |
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Don't feel bad, I'm having trouble following this too. I'm nearly 40 years old and love spirited driving, but I don't trust myself in this car in the twisities with even MDM. I felt way more confident in my E92 M3 (with MDM) ... but the F80 is so much faster that DSC says on. I definitely need to get some instruction.
But I'm also afraid to damage this car... A mistake would be very expensive. That being said, I've only had my car a few months and it hasn't been super warm and dry in the pacific northwest yet. |
06-14-2018, 01:24 PM | #119 | |
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Go back to the first thread. Looks like only some 2017 ZCPs have this problem. |
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06-14-2018, 02:50 PM | #120 | |
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06-14-2018, 04:06 PM | #121 |
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No issues here. Did a ED and drove to the Autobahn and a couple of pass, San Gothardo and San Bernardino. Only noticed the over steer when some of the turns which were expected. 140 MPH was stable also.
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06-14-2018, 04:33 PM | #122 |
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You are right Momo365. After 42 miles of testing (wtf) the dealership told me today that is has to do with traction control. They said it doesn’t happen in MDM mode which is true. They can’t fix until BMW receives enough complaints. Sucks!
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06-14-2018, 05:11 PM | #123 |
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The problem is the backend can twitch under heavy acceleration, taking a curve or going straight. I hate it because it happens unexpectedly. As a result, I now drive in either Euro MDM or DSC off, unless the surface is wet. Problem solved.
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06-16-2018, 08:41 AM | #125 |
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06-16-2018, 08:35 PM | #128 |
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I have not had this happen at all in mine. In fact the car feels so planted is has me driving more aggressively than anything I have driven in the past.
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06-17-2018, 05:28 PM | #129 |
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I've had this happen as well. I'm thinking it is the traction control doing what it is suppose to. While unnerving, I think it's completely normal. Try the same ramp under the same conditions and see if the results are the same with it turned off. Just remember that the traction control is kicking in because you are doing just that..... Losing traction.
Last edited by Captain Dang; 06-17-2018 at 07:02 PM.. |
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06-17-2018, 06:15 PM | #130 |
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Interesting thread, I've noticed what is being described in my M4 as well. While I cannot say definitively, I believe it has something to do with the nanny systems in the car.
I have my M1 button set to Sport Plus x2 and all traction control assists OFF. It's the first button I hit every time after starting the car. Since doing this, I haven't had that feeling once and the car is simply amazing. The only time I leave the traction assists on now is if it rains, and since I work from home it's not very often I need to drive in those conditions anyway. |
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06-20-2018, 03:49 AM | #131 | |
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My car is very unstable under heavy braking, but I don't have any of the front end issues described in this thread. |
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06-20-2018, 06:25 AM | #132 |
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Mine still does it but I find myself driving in MDM most of the time now which completely cures the wierd understeer issue.
It’s annoying cause I’d rather use TCS fully on especially with my wife and daughter in the car but ironically I have less confidence in the car with the TCS on.
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