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Upgraded brake booster hose

10K views 34 replies 15 participants last post by  turboFRS 
#1 ·
We replaced my brake booster hose (y pipe under plenum) with an updated aluminum and silicone hose assembly. It is made here in AZ by a local M5 owner, the old hose asembly was brittle and not sealing very tightly on the metal pipes.

While the plenum was off we cleaned the throttle blades, lubricated the throttle linkage, and addressed other small vacuum hoses.


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#2 ·
That's awesome! I love OEM+ mods. Any info on how to order the upgraded brake booster hose you used? And how difficult of a job is it?

This is another mod I'm adding to my (long) list for sure!
 
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