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      09-07-2015, 08:04 PM   #4
Patrón
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Drives: '15 M4
Join Date: Sep 2013
Location: San Antonio, TX

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2015 BMW M4  [0.00]
2009 BMW M3  [10.00]
Quote:
Originally Posted by JEllis View Post
Measure the pulley, should give you an idea of the boost level you should be seeing. I haven't seen a lot of success with meth on the forum. Have you tried the car with the meth disabled.
Sometimes the pulley will have the size etched into it. Or like mentioned above buy a small caliper and measure it. If it's a 650, the main pulley will be an ESS and not oem. Does the seller not know what kit he had? The pics in your other thread are pretty nice.
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