Does a 550i Reduction Pulley Kit Exist?

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03-02-2010, 05:25 PM

DelVal550i

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My Ride: 08 550i, 6 Speed Manual w/Sport Pkg, Black RPI Exhaust, Turner 15mm Rear Spacers, 20% Tint

....and why the hell not?

Will someone please do the R&D to create the 10-14hp bolt on?

Cant believe it's not on someone's website...

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03-02-2010, 05:55 PM

turboawd

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My Ride: 2006 BMW 550i

in my opinion, under drive pulleys are not worth it. and i doubt you'd see much gains on a bmw, and more than likely will have voltage issues.

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03-03-2010, 05:31 AM

DelVal550i

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My Ride: 08 550i, 6 Speed Manual w/Sport Pkg, Black RPI Exhaust, Turner 15mm Rear Spacers, 20% Tint

Quote:

Originally Posted by turboawd

in my opinion, under drive pulleys are not worth it. and i doubt you'd see much gains on a bmw, and more than likely will have voltage issues.

With the 5 - voltage issues are a concern but if they have a kit for the M5, why the hell not for a 550i?
My guess is they dont feel we would buy it. I'm going to look into it now.
BTW gains are real & with a V8 10-15hp is in order.
The gains on my E46 M3 were 10 hp - verified.

Now - if we got 15 guys to show intrest in a beta product....
1. Me

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