if you're looking for some sort of drain-o that you can pour into your washer tank.. i don't think that exists. you'd need to remove the tank and pump and clean it manually.
at this point, if it's cheap enough, you might as well buy a new pump so you don't have to do the job twice.
the 2 series is a little tighter than the 3 series based on my memory of removing mine. i recall there being some plastic pop rivets that you'll either have to replace or have to go fishing for the stem in the fender after you've punched it out.
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M235i rwd 6mt
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