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2010 2011 BMW 5 Series Forum F10 F10 Technical Topics Engine, Transmission, Exhaust, Drivetrain, ECU Software Modifications Remove Speed limiter
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      02-25-2014, 11:49 AM   #1
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Remove Speed limiter

I have a 2014 550Xi. I also have a limiter of 137mph. anyone know how to remove?
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      02-25-2014, 12:07 PM   #2
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Out of curiosity, why? Unless you're doing European delivery or going to take the vehicle to the track, that would get you thrown in jail, and your current tires are probably not rated for higher speeds. Even if you did European delivery, unless you're going to be driving more than 1,000-miles, they want you to keep it to a maximum of 100mph during that time.
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      02-25-2014, 12:23 PM   #3
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There is no way to remove it until someone comes out with a legitimate flash tune for this car. It has to be done via software/tune only.

BTW RWD cars with summer tires are limited at 155 while AWD and cars with all seasons are limited to 127 (or 137 i forget).

Alan
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Last edited by Alan l.; 02-25-2014 at 01:12 PM..
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      02-25-2014, 12:46 PM   #4
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Quote:
Originally Posted by Alan l. View Post
There is no way to remove it until someone comes out with a legitimate flash tune for this car. It has to be done via software/tune only.

BTW RWD cars with summer tires are limited at 155 while AWD and cars with all seasons are limited to 127 (or 137 i forget).

Alan

Alan
AC Schnitzer has a tune for the F10 550i that provides speed limiter removal. They also offer a new speedometer which reads to 330km/h (not cheap though).

http://preisliste.ac-schnitzer.de/ac..._auswahl=Motor

Part # for the N63Tu engine tune: 1100212560

Quote:
for engine N63B44O1
for 550i, 550i xDrive
and 330 kW / 449 hp standard performance
performance: 386 kW / 525 hp
EXPORT VERSION
NOTE:
consider injector quantity adjustment

consisting of:
AC Schnitzer control unit program
incl. V-max deregulation
ATTENTION: consider Speed-Load-Index of the tyres !
The AC Schnitzer 650i in a short test by Sport Auto (German):
(Top speed quoted at 325km/h)

http://www.autobild.de/artikel/ac-sc...t-2343719.html


Here are a few teasers of the ACS5 Sport S which is a special model based on the 550i:




Last edited by Boss330; 02-25-2014 at 12:57 PM..
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      02-25-2014, 01:38 PM   #5
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How do I Order speed limit remover? I went on the website and I am so confused???!!

Also I have my tires rated for 186MPH+
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      02-25-2014, 01:53 PM   #6
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I've run well past 140 fellas, on a 2013 XI, stock.
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      02-25-2014, 02:20 PM   #7
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Quote:
Originally Posted by scott135i View Post
I've run well past 140 fellas, on a 2013 XI, stock.
Your car is not normal.... A.K.A Tu Suck ass! lol
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      02-25-2014, 02:52 PM   #8
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Quote:
Originally Posted by ARadoncic550 View Post
Your car is not normal.... A.K.A Tu Suck ass! lol
i also ran up to 155....
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      02-25-2014, 03:02 PM   #9
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Quote:
Originally Posted by ARadoncic550 View Post
How do I Order speed limit remover? I went on the website and I am so confused???!!

Also I have my tires rated for 186MPH+
The link I provided was just a pricelist. You should go to

http://www.acschnitzer-us.com/en/bmw-cars.html

Get in touch with AC Schnitzer USA and I'm sure they can help you.
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      02-25-2014, 03:19 PM   #10
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would this interfere with BMS ?
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      02-25-2014, 03:25 PM   #11
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would not mind hitting 190mph
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