Bimmer Plug

M Performance Carbon Fiber Diffuser - BMW F80 M3 | F82 / F83 M4

$798 $1,000

Meant for the enthusiast that won't settle for subtle. Break necks today with our M Performance Carbon Fiber Diffuser for your F80 M3 or F82/F83 M4! Elevate the rear end of your BMW M with this aggressively styled diffuser.

BimmerPlug is proud to present our diffuser, providing a bold design and superior fitment. Our diffuser is constructed 100% with genuine real carbon fiber featuring a 2x2 weave and a deep gloss finish.

All of our products are coated with UV protectant clear coat to prevent from fading. This part is handmade to ensure fitment all around with the highest quality material.

Professional installation is recommended however it is a straightforward process. The Performance diffuser will undoubtedly add a sport and aggressive look to your BMW, distinguishing your ride from the crowd.

  • Fits: 2015-2020 BMW F82/F83 M4 & 2015-2018 BMW F80 M3
  • Made 100% from & with genuine real carbon fiber
  • 2x2 Carbon Fiber Weave
  • High Gloss Clear Coat with UV Protection
  • Quality and Fitment Guarantee
  • Ships from New Jersey, USA
Our goal is to get parts into your hands as soon as possible. Most carbon fiber and performance parts ship via UPS, FedEx, and DHL. The majority of smaller parts (i.e. carbon fiber mirror caps) ship via USPS. All of our packages are insured and if your order value is over $200 we may require a signature. Once you've placed your order you will receive a confirmation email that your order is being processed. Please allow 4-7 business days for processing and the tracking to update on our site. Some of our products are custom made and will require an extended processing time, up to 2 weeks. Please feel free to contact us for any inquiries regarding shipping.

We have a 30-day return policy, which means you have 30 days after receiving your item to request a return. 

To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase. Returns are only eligible on a rare occasion if you received the wrong/damaged item from what you ordered.

To start a return, you can contact us at If your return is accepted, we’ll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted. 

You can always contact us for any return question at


Damages and issues 
Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right.


The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item.

We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method. Please remember it can take some time for your bank or credit card company to process and post the refund too.

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