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  1. Rear Diffuser Installed!!! Pics inside.

    NY / NJ / CT
    Just wanted to share with you guys. Diffuser: I wanted to get one that would fit well. After doing some research I found out the Z-Shift diffuser was one of the better fitting ones and came with a perfect fitment guarantee. I contacted Z-Shift and the customer service was great, responses were...
  2. Rear Diffuser Installed!!! Pics inside.

    ///M3 Forum
    Just wanted to share with you guys. Diffuser: I wanted to get one that would fit well. After doing some research I found out the Z-Shift diffuser was one of the better fitting ones and came with a perfect fitment guarantee. I contacted Z-Shift and the customer service was great, responses were...
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