E46Fanatics - View Single Post - DISA Question
Thread: DISA Question
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Old 02-08-2020, 06:39 PM   #6
LeverThis
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Join Date: Jul 2016
Location: SF Bay Area, CA
Posts: 1,790
My Ride: 2004 325i automagic
Quote:
Originally Posted by Newbimer View Post
Dental picks work great for getting out the old O ring. Clean out as much as you can, the cleaner the better, carefully so as not to damage the plastic surface. Replacement O ring is fairly cheap. Advance auto parts (part # 35489) same as water outlet O ring for a 91-94 Ford Probe.
Avoid using picks that are too sharp because you don't want to damage the plastic housing. The cheap small pick set at Harbor Freight is all you really need, or even a small screwdriver if carefull. The original is like a hard silicone rtv, you might need something sharp initially to cut into it to make a start, but once you get an opening a duller tool is safer.

Fwiw, check out German Auto Solutions for a quality DISA o-rings sized correctly for a 325i.
https://germanautosolutions.com/stor...ousing-o-ring/

Newbimer, did that Ford water pump oring work? I've read both positive and negatives about that approach.
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:

20mm OD x 12mm ID x 4mm W : Viton O-Ring
3/4" OD x 1/2"ID x 1/16" Thick : Thrust Bearing/Washer

Last edited by LeverThis; 02-08-2020 at 06:51 PM.
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