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Old 11-10-2009, 08:57 AM
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ARTRIGA ARTRIGA is offline
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Quote:
Originally Posted by mrbmwx5 View Post
High power pulleys is great ideas ,i have done that too ( got the HP pulleys from Turner Motorsport | BMW Performance Parts, OEM BMW Parts & BMW Accessories)

250.00? kind of steep for these ...no? And I am by no means an engineer, but by installing a smaller diameter crank shaft pulley, all accessories slow down to gain more power with less drag.......so my question is, how will that not affect anything negatively? Because I have to assume that BMW has done all the calculations as to, at what speed alternator and a/c must spin to work/feed the other components for longer and more efficiently? ......Honestly they sound nice, but I don't want to have the "Drag Race" car effect where after a short run you have to re-tune or change some parts that have burnt out by modifying something you shouldn't have. 30% of slowdown in accessories sounds a lot.

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Last edited by ARTRIGA; 11-10-2009 at 09:16 AM.
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