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M performance rear diffuser

Discussion in '4 Series' started by beamescotty, Dec 2, 2015.

  1. beamescotty

    beamescotty New Member

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    Hi guys,
    Just want to share with you regarding the M performance rear diffuser and my experience talking to the parts department person in auto Bavaria glenmarie.

    There r 2 types of M performance rear diffuser u can choose if u r using m-sport kit. So I'm just gonna call it diffuser A and B so bare with me. Diffuser A which is for single or double exhaust placed on the left side of the diffuser and diffuser B is for left and right split exhaust(like the 435i). I would prefer the split but u have to change the muffler. Mine is the 428i.

    So I called the person from the parts department in auto Bavaria and enquire about the diffuser. He told me that his not sure if diffuser B can fit a 428i because it have holes on left and right. He told me to google it and find out using the part no. he gave me.

    First of all he should know wether it fits or not. If he doesn't know he should find out, why am I doing his job? Funny how people work nowadays, they just couldn't care less.

    Anyway I did find out and it does fit any 4 series with the m-sport bumper. Now I'm not sure wether their mechanic can even install this diffuser for me. Just my 2 cents guys.
     
    Wralport likes this.
  2. ultimaterich

    ultimaterich New Member

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    Hai beamescotty,

    Regarding the M performance rear diffuser is fit to 428i i already install it before this.. But u need to modified a bit if u want to put exhaust left and right.. But maybe i can share the contact if u want the M performance rear diffuser same with 435i M sport, ur 428i not only can modified to 435i look ,also can transform to M4 ;) . I will share u my car picture with front lip msport and M rear diffuser 435i..

    Just finish my lil'amber.. Share my new look of -->> M-sport M4 mode .

    ~UltimateRich~
     

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  3. beamescotty

    beamescotty New Member

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    Hi ultimaterich,
    Tks for ur reply. I have ordered the aerodynamic performance kit from auto Bavaria and installing it next week. Will post pics once ready. Wah ur car nicely done. Love the M4 front. Post some pics of all angles la, want to c more of your mods. Where did u mod ur car?
     

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