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F10 / F11 (2011 - Current)
The new chapter in the highly successful story of the BMW 5 Series Sedan (F10) and wagon (F11)

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  #1  
Old 09-15-2011, 08:54 PM
bikerboy bikerboy is offline
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Location: Michigan
 
Join Date: Aug 2010
Posts: 94
Mein Auto: 2011 550ix Sport
Race track driving advice

I've done everything I can think of to improve the handling of my 550ix sport. Dinan download, Michelin Super Sport tires and Schnitzer lowering springs. Quite a difference from stock. NOW I've been invited next Friday to spend a day at a track and drive to my hearts content.

Over the years I've driven on many tracks. However, not with anything as large and heavy as this car. Plus, all my cars were stick shift. Never taken an automatic to a track. Looking for help from any of you who have tracked their car. Do I just leave it in automatic, or use the paddle shifters? I assume the least I should do is kick over the shifter into "S" mode. Any advice out there?
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  #2  
Old 09-15-2011, 09:31 PM
bmw_enthusiasm bmw_enthusiasm is offline
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Location: MA
 
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Mein Auto: 2011 M3, 550i , 2008 328i
Quote:
Originally Posted by bikerboy View Post
I've done everything I can think of to improve the handling of my 550ix sport. Dinan download, Michelin Super Sport tires and Schnitzer lowering springs. Quite a difference from stock. NOW I've been invited next Friday to spend a day at a track and drive to my hearts content.

Over the years I've driven on many tracks. However, not with anything as large and heavy as this car. Plus, all my cars were stick shift. Never taken an automatic to a track. Looking for help from any of you who have tracked their car. Do I just leave it in automatic, or use the paddle shifters? I assume the least I should do is kick over the shifter into "S" mode. Any advice out there?
if it was a dual clutch I would tell you to use it without worries
well..the most you can do is with the paddles then..
I am really curious what you gone do with a 4500lbs car...
no matter the mods..
lets us know how it went
good luck!
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  #3  
Old 09-15-2011, 10:44 PM
solstice solstice is offline
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Mein Auto: 2015 F80 M3
I didn't take my F10 to the track but I did push it hard during my ED. My tip for the track would be Sport+ to reduce the dsc nanny down to dts and in D mode until you feel bored where you switch DTC off as well and when you mastered some power slides it's time to go to the paddles for that last addition of control. I'd also go easy into the curves for a clean turn in and not let that heavy body get you out of shape and then use the big torque after apex. That's my 2c and how I would plan a run myself but I might have adjusted to a totally different plan after feeling how the car really behaves under maximum attack. Most important, enjoy yourself! Good luck!
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  #4  
Old 09-15-2011, 11:12 PM
Stealth8 Stealth8 is offline
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Location: SoCal
 
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Mein Auto: BMW
Take a different car to the track... .
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  #5  
Old 09-16-2011, 05:47 AM
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Turo37765 Turo37765 is offline
GO GET IT $
Location: Brooklyn
 
Join Date: May 2011
Posts: 152
Mein Auto: F10 550I
Post up some track times
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  #6  
Old 09-16-2011, 12:16 PM
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quackbury quackbury is offline
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Location: Not In Kansas Any More
 
Join Date: Dec 2005
Posts: 4,462
Mein Auto: 535i M Sport; 328i Wagon
Be very very SMOOTH in your transitions.

Chalk your sidewalls and adjust pressure after each track session. Even better, borrow a buddy's tire temp gauge.

If you are running stock brake fluid, get lots of air flow over the brakes on your cool down laps. And be mentally prepared if your pedal goes all the way to the floor. I'm not sure the stock brakes would stand up to a "normal" 550's track day, and the Dinan raises the bar.

Finally, ready your bank account to buy another set of tires.....
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Prior BMW's
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2008 ///M3 Vert
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2006 550iA SP
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Last edited by quackbury; 09-16-2011 at 12:19 PM.
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  #7  
Old 09-17-2011, 04:11 PM
Gator550 Gator550 is offline
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Location: Florida
 
Join Date: Nov 2010
Posts: 26
Mein Auto: F10 550i
I took my 550 to Sebring about a month ago. I have Dinan s1 but otherwise stock including tires (michelin RFT). Took 5lbs out of tires and had to take another couple out after first session. Brakes held up fine. During one session got drivetrain temp warning... took it easy for a couple laps to cool the engine. It was probably 95 degrees outside that day. Amazing fun.
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  #8  
Old 09-17-2011, 06:15 PM
MBrown1003 MBrown1003 is offline
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Mein Auto: 2014 F10 M5
I took my 550i out on the Nurburgring for two laps during my ED. I didn't push it too much, and it was about 45 minutes after a rainstorm. The car was easily up to it. I was pretty conservative for the first lap; got into it a bit more on the second. I needed a little support from the stability control on one corner, but other than that, the car handled it. Given the available torque, I did much of the track in 3rd (my car is a stick.).
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Previously...
'11 F10 550i M Sport (ED Aug 1, 2011; US deliv, Sep 12, 2011)
'08 E90 M3
'07 E92 335i: ordered Nov '06; delivered Jan '07, totaled Sep '08.
'02 E39 M5: June 2002 - June 2007
'00 E39 540i/6, '97 E39 528i, '92 E34 525i + VW, MBz, Peugeot, Toyota, Olds
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  #9  
Old 09-17-2011, 08:16 PM
Stealth8 Stealth8 is offline
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Fore HPDE fun, I take my Gen IV Viper to the track from time to time. The relevant mods for that car are high temp brake fluid, stainless steel brake lines and 6 point belts. I also have 3M Venturshield protection in many areas and add blue painter's tape. Watch your tire temps. Usually the rears should be a few pounds less than the fronts cold, and you should be starting at cold temps a bit below your street pressures.
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