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Side Finisher Rubber Replacement and Rear Side Window Trim Replacement

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    Hi everyone,

    In addition to my previous post, I noticed there is some extra rubber protruding that is not present in the OEM part.

    Is this the same on yours?

    Thank you,
    Alex

    Comment


      Originally posted by dHam_Slow.46M View Post

      I'll also post some pics with some comparison with the OEM pass/right side I have sitting on the shelf.

      Also, anyone know if there's still a discount code? The original NAM3 doesn't seem to work anymore
      Okay so I finally got the chance to order Matt’s bottom pieces and looking at them side by side with the OEM Pass. Side I have, it’s def not an exact 1:1 OE replacement. First thing I noticed is how floppy Matt’s are in comparison with the BMW one. This is due to the fact that BMW used rubber fused onto hard plastic piece where as Matt’s are full rubber(or at least rubber on soft plastic, but it seems like a single molded piece) (pic #4). BMW’s is also more matte, but that could just be some sort of coating the added for storage? There’s also a lip(?) that doesn’t go the full length on Matt’s(pic #5).

      I guess since Driver/Left side is NLA, beggars can’t be choosers🤷🏽‍♂️

      Pics to be posted later today.
      Attached Files
      Last edited by dHam_Slow.46M; 11-13-2025, 06:11 PM. Reason: Pics added

      Comment


        Hello,

        Long time listener, first time caller. Related to this discussion, I wanted to see if there's any knowledge about the weatherstrip that runs along the outside of the door. On RealOEM, it appears there are two separate options - matte and gloss.

        Google search told me that all M3's were equipped with the matte trim for this piece, and the existing piece on my car looks matte, but wanted to make sure (it may have been gloss when it was new and now is matte due to age - I am not the first owner). Did M3's also get equipped with gloss trim?

        For reference, here are the parts I'm looking at:

        Gloss: 51327890453
        Matte: 51328227625

        ​Any wisdom would be appreciated!

        Attached Files

        Comment


          Originally posted by 05ZCP View Post
          Hello,

          Long time listener, first time caller. Related to this discussion, I wanted to see if there's any knowledge about the weatherstrip that runs along the outside of the door. On RealOEM, it appears there are two separate options - matte and gloss.

          Google search told me that all M3's were equipped with the matte trim for this piece, and the existing piece on my car looks matte, but wanted to make sure (it may have been gloss when it was new and now is matte due to age - I am not the first owner). Did M3's also get equipped with gloss trim?

          For reference, here are the parts I'm looking at:

          Gloss: 51327890453
          Matte: 51328227625

          ​Any wisdom would be appreciated!
          I believe it was an option or came on the ZCP M3's, but yes i do believe it was available for M3's. The standard trim was matte. This was standard option on ZHP coupes i think.
          2004 M3 6MT |Eventuri Intake|
          2006 325Ci SULEV |ZF 5MT Swap | Koni Yellows | H&R | 330i Brakes | Magnaflow Catback | AFE | APEX ARC-8 18x9 |​

          Comment


            Understood, thank you for your help!

            Comment

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