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rkreimer10 rkreimer10 is offline
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Posts: 557
Join Date: Feb 2017
Car: 08 535i
Default 04-16-2018, 11:35 AM

Tial gives instructions based on Hg of vacuum based on operating temp of motor. See pic below.

*if you are not going to use the proper vacuum source you can try going 1 psi lower on the spring rate*

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