DISA rebuild cured my power dip
I've been putting off replacing my DISA valve for years because I didn't want to spend a couple of humdred dollars for something that MAY fix my power dip ~4000-4500 RPM. My DISA valve appeared to be ok when I pulled and examined it.
Then I saw Dane and some others talking about the German Auto Solutions DISA rebuild kit, I bought one and installed it. Now the tranistion at that RPM is perfectly smooth - no more fluttering or stumbling. I'll tell ya, I pulled that DISA valve at least three times to test it but every time it appeared to be tight and smooth. Obviously, there was some kind of binding going on.
The Kit is high quality and uses a solid shaft and aluminum flap instead of plastic. The instructions show in good detail how to tell if your existing DISA is servicable AND they will let you return the kit if it's not
I'll never replace a servicable DISA again! 
Dinan CAI &Throttle body, ESS Tuning TS2, Bimmerbrakes gen3 headers, UUC SSK & DSSR. Achilles oil pump, VAC oil pan baffle
M3 Motor mounts, UUC Trans mounts, Modified clutch style LSD 3.15, TMS front subframe reinforcement, Koni Yellow sports,
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Originally Posted by Ryans323i
