E90Post
 


MINHS Auto Care Center
 
BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Tracking, Autocrossing, Dragstrip, Driving Techniques > Unable to warm tires prior to autox run...?



Reply
 
Thread Tools Search this Thread
      04-14-2013, 09:46 PM   #1
///Mikey e90
Aspiring Hoonigan...
 
///Mikey e90's Avatar
 
Drives: 2009 SG/B 335i Sedan
Join Date: Dec 2009
Location: In the driver's seat...

Posts: 117
iTrader: (0)

Garage List
Question Unable to warm tires prior to autox run...?

Ok, before I get into the gist of what's wrong, keep in mind that I discovered this problem at an autox event, NOT trying to act like a sophomore in high school

I've auto-crossed my MINI Cooper S a couple dozen times, it's a manual though, and this weekend was my first event with my 335i (automatic). Before I would do a run in my MINI, I would do just a quick "burnout" to warm the front tires before the run (especially this time of year, it's still under 60* most of the time where I'm at).

I tried to "powerbrake" my 335i before my first run this weekend. My friend told me how to do it (I've never tried doing one in an automatic rwd car), and I tried... And tried... And tried. I would push the brake pedal and gas at the same time and every time the engine would rev, but the wheels stayed stationary. I made sure the DSC was off, and it was, and I tried it again, and it seemed like the ECU actually cut the throttle when the tires started to break loose. I was confused... And still am. I had to run the entire event with cold tires.

So my question is, is there any way to "powerbrake" an automatic 335i? Am I doing it wrong, or is it something that has to do with the car?

I kick myself from time to time for buying an automatic, but commuting to, in, and from downtown Chicago a few times a week won over the want to have a third pedal, especially since I already have a manual Cooper S.

Thanks guys, again, I'm not trying to trash my car or hoon, just trying to get some temperature in the rear tires so I'm not drifting all over the course.

Mike
///Mikey e90 is offline   United_States
0
Reply With Quote
      04-14-2013, 10:06 PM   #2
FormerRotor
Major
 
FormerRotor's Avatar
 
Drives: 2011 335d, M-Sport
Join Date: Jan 2012
Location: MD

Posts: 1,462
iTrader: (4)

I believe you may be neglecting to release the brake if you are looking to effectively "burn out". Drive safe.
__________________

My Picture Threads (Oldest to Newest): 1 2 3
Join BMW CCA! (Use my link and I get credit )
FormerRotor is offline  
0
Reply With Quote
      04-15-2013, 07:17 AM   #3
mrbillytalent
Lieutenant
 
Drives: '99 e46 323i & '07 e90 335i
Join Date: May 2012
Location: Toledo OH

Posts: 534
iTrader: (1)

He's trying to do a brake stand, he doesn't have a staging area like in a 1/4mi. I have the same issue in autoX as well, and by the time you finish your run and the tires are warm....you have to wait to run again and your tires cool down again. I have seen guys get these metallic 'covers' to place over their tires after a run to keep the heat in, that's all I can think of unless you get some real dedicated stickies, which is CRAZY expensive!
mrbillytalent is offline  
0
Reply With Quote
      04-15-2013, 11:43 AM   #4
satakal
Major
 
satakal's Avatar
 
Drives: e46
Join Date: Nov 2007
Location: socal

Posts: 1,474
iTrader: (2)

I just want to confirm, you're getting this icon on the dash?

satakal is offline  
0
Reply With Quote
      04-26-2013, 02:20 AM   #5
akotten
Major
 
akotten's Avatar
 
Drives: 2007 335xi
Join Date: Mar 2011
Location: Rapid City, SD

Posts: 1,032
iTrader: (2)

First off....how will heating your rear tires help you in an autocross? In your cooper, it would actually make sense...kind've. Smooth driving, camber plates and some better tires are where your gains will come from.
__________________
TC Kline S/A | Vorshlag Camber Plates | ///M Bushings & ARB | CP-e DPs | VRSF FMIC | Procede 2.5 w/ OpenFlash | DCI |
akotten is offline  
0
Reply With Quote
Reply

Bookmarks

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Forum Jump


All times are GMT -5. The time now is 06:33 PM.




e90post
Powered by vBulletin® Version 3.7.0
Copyright ©2000 - 2014, Jelsoft Enterprises Ltd.
1Addicts.com, BIMMERPOST.com, E90Post.com, F30Post.com, M3Post.com, ZPost.com, 5Post.com, 6Post.com, 7Post.com, XBimmers.com logo and trademark are properties of BIMMERPOST