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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Speed de-restrictor ponderings



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      07-10-2009, 05:08 AM   #1
R1000K3
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Speed de-restrictor ponderings

Has any member been thinking on, or even tried to remove the speed limiter DYI? It is common to calibrate bikes speedo meter after change of gearings by a so called Speedohealer.

http://www.pashnit.com/product/speedohealer.html

It may perhaps be possible to fool the 335i ECU the car is running e.g. 10 % slower than it does, thus raising the top speed by 10%?
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      07-10-2009, 07:59 AM   #2
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I wouldn't want to de-calibrate my speedo in order to get a few more top speed mph's. I can't imagine many would?
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      07-10-2009, 08:50 AM   #3
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I foresee a top speed improvement of about 20 mph on a JB+ car, but it is not the nicest solution around. The complex functionality of the ECU may also hinder a cheap and dirty trick like this.
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      07-10-2009, 09:50 AM   #4
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You can't trick the car. It picks up road speed multiple ways.
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      07-10-2009, 09:57 AM   #5
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Funny I have a 335i 2006 completly stock without the speed limiter I'm doing almost 280km/h
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      07-10-2009, 10:46 AM   #6
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That's why you end up in gravel :-) Damn fast car, Congrats !
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      07-10-2009, 03:26 PM   #7
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I just don't understand why my car doesn't have a limiter
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