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Would appreciate some additional insight. Mine is a 2012 128i 'vert with 95K miles. i believe the WP is original. I've seen the replacement WP PN as 11-51-7-632-426 but Tischer shows 11-51-7-586-925 as the PN for a 128i.
The Tischer PN indicates a rebuilt unit, and the 11-51-7-632-426 PN seems to indicate 'new' although they are the same price.
Has there been a redesign or upgrade by any other manufacturer or rebuilder for the WP? If so, please indicate details. Thanks!
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