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      12-12-2019, 09:29 PM   #4
Bmw doubles
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2011 535  [0.00]
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Originally Posted by Stück View Post
Spool is local to the shop I work at and I've installed several of these in client and shop employees cars as early adopters... nothing breaking news here. Its well and tested, just install the billet vacuum pump cover at the same time and you're good to go.

The covers are breaking with the 3x units due to the centrifugal force of the planetary gear set that forms the fundamental basis of the Helix units. We broke 2 vacuum pumps with the 4x units, but not with the 3x.
Interesting what do you know about that loud metal clanking sound when it's cold? Appreciate the updates brother want this just don't want to deal with the early phase issues.
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535i MIssion Performance, PS2, Helix HPFP Kit, Wagner FMIC, Spec 3 clutch, Steel SMF, Wolf Racing CP, UUC SSK, GFB dv, SprintBooster, Custom Dynomax Exhaust, M5 Sways, Eibach OE Springs, Koni Sports Adjustable, Custom Short Ram CAI

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