That's because it makes throttle sensitive so if you nail it it will feel jerky , a bit of practice and after a while you'll get used it , but you'll notice the difference straight away if you remove it.

it jsut adds throttle respone and is a tiny wire you place from your accelerator pedal to the original wire, i would say its a rip off and no where near worth the money if i had to go buy one off the shelf

the pedal is a variable resistor so it jsut amplifies the signal so it responds quicker when you put your foot down, notice the most as with a r53 if you are parking it is easy to drop your revvs close to stall but now it doesnt

it adds no bhp or any proven power gains it just cuts the delay from pedal to engine, you can notice this by putting yourself in like 2 and a half to 3 grand revs when going along a b road and then quicky take your foot off, pump the accelerator and immediately come off it and you will notice your car jolts forward when your foot is already off the pedal, showing the 0.3-0.4 second delay between them that the testers found

i only got one as my mate bought one put it on his r56 and it made his turbo go absolutely mental so he took it off and gave it to me for 80 quid instead but it is alot of money for it so i dont know if i would of got one otherwise

thats what i am saying i drive like that anyway so i dont see the difference as much anymore lol

I didnt find it jerky at all............... no one complained as a passenger...all they said was 'F**k me' when i pulled away!!!!!!!!!

I have one but its for an R56 and apparently they are different to R53 ones!!!!!!

Anyone wanna buy one for an R56????

Have checked on the Sprint Booster website, looks like the Mini one fits all models. The only difference seems to be auto or manual gearbox.

Will call them tomorrow and check, how much do you want for it?

Cheers

Andy

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2002 Mini Cooper R50 in Velvet Red. Planned Mods: Bluefin Superchip, Aero Kit, Window Tints, Vented 'A' Panels, stitched leather dash (dream on)