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034Motorsport 2-Piece Floating Rear Brake Rotor Upgrade Kit for BMW M2 F8X M3 M4 GTS 2015-2021
$1011.60

Upgrade Your BMW's Braking Game

If you’re looking to step up your brake setup, the 034Motorsport 380mm x 28mm 2-Piece Floating Rear Brake Rotor Upgrade Kit is where it’s at for your BMW F8X M2 C/CS, M3/M4 C/CS, and M4 GTS. This isn’t just another rotor kit—it’s a complete replacement that works seamlessly with your factory rear calipers. Seriously, it’s like a match made in automotive heaven.

Weighing in at about 22.2 lbs, these rotors keep the weight in check while also managing heat like a pro. They’ve got this clever design with 72 directionally curved vanes that really push cool air through the rotor, helping to keep things from getting too toasty during those spirited drives or track days.

The central hat is made from 6061-T6 aircraft-grade aluminum, which is not just lightweight but also super durable. The rotor itself is crafted from a proprietary alloy that can handle some serious heat without losing its shape. So whether you’re hitting the streets hard or spending a long day at the track, you’ll be driving instead of wrenching on the car.

What I really dig about these rotors is the J-Slot design. Unlike traditional drilled rotors that can crack under pressure, these slots increase the braking surface area and help clear out contaminants. Plus, they manage to keep braking noise down, which is a nice touch. No one wants to sound like a freight train when coming to a stop.

And let’s talk about that 2-piece design. The rotor and hat float on high-strength alloy steel bobbins, allowing for some axial and radial movement. This means they can expand and contract safely with heat, which is a big deal for longevity. If you ever need to replace the rotor rings, it’s a lot cheaper than swapping out the whole setup.

Features:

  • Lightweight at 22.2 lbs—same as OEM but with better metallurgy and thermal management.
  • Floating, 2-piece design for better performance.
  • Aerospace-grade aluminum hats that won’t let you down.
  • CM-250 special alloy rotor rings for heat resistance.
  • J-slotted friction face for improved braking efficiency.
  • OEM fitment means you won’t have to fuss with modifications.
  • 72 curved vanes for optimal cooling airflow.
  • Floating bobbins for a smooth ride.
  • Replaceable rotor rings save you money in the long run.
  • Lower maintenance costs overall—win-win!

Fitment:

  • BMW M2 Competition F87 S55 3.0L 2019-2021
  • BMW M2 CS F87 S55 3.0L 2021
  • BMW M3 F80 S55 3.0L 2015-2018
  • BMW M3 CS F80 S55 3.0L 2017-2018
  • BMW M4 F82 S55 3.0L 2015-2020
  • BMW M4 GTS F82 S55 3.0L 2015-2020

Notes:

  • If you’ve got the factory M-CCB Carbon Ceramic Brake Package (2NK) on your F8X M2 CS, M3/M4 Competition/CS, or M4 GTS, these rotors are a direct swap for those pricey carbon ceramic rotors. Talk about a smart upgrade!
Proposition 65

WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Vehicle
2019-2021
BMW M2
2015-2018
BMW M3
2015-2020
BMW M4

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Who is 034 Motorsport?

034 Motorsport was founded in 2005 for enthusiasts by enthusiasts with a passion for bringing motorsport-quality performance upgrades and tuning to Audi and Volkswagen vehicles. Since its inception, the company has grown to meet the expanding needs of petrolheads with innovation, quality, and performance in mind. 034 Motorsport is dedicated to providing customers with only the finest performance products, tuning, and service for their Audi or Volkswagen.

Dedicated to the Car Scene

034Motorsport is owned and operated by car enthusiasts just like you! This means that you can count on them for expert advice and products that deliver each and every time. When they aren’t at work, you can find the 034 Motorsport folks at local car meets, Audi Club Track Days, or simply at home working on their own rides.   

Being gearheads themselves, the 034 Motorsport staff understands the importance of a strong automotive community and giving back to the customers they owe their success to. 034Motorsport is a proud sponsor of Audi Club North America's Golden Gate Chapter, in addition to several other popular automotive forums, including Audizine, Fourtitude, VWvortex, and QuattroWorld. The brand also supports NorCal Audi Club, and frequently hosts events for its members.

Involvement in Competition Racing

034Motorsport stays true to its roots (and name) by actively participating in motorsport events, like time attacks, endurance racing, and hill climbs. These events allow the company to simultaneously showcase its products and racing expertise, while putting them to the ultimate test. A number of 034 Motorsport’s most iconic projects, including the Time Attack A4, GTI-RS, and 80tq raised the bar for on-track performance, while also accelerating production and testing processes. 

Extensive Quality Product Lineup

034 Motorsport is well-known for producing some of the finest race-proven performance upgrades for Audi and Volkswagen enthusiasts. The 034 Motorsport performance facility is located in Fremont, California and home to its engineering, manufacturing, and tuning departments. The company prides itself on in-house manufacturing, where it designs, fabricates, calibrates, and tests all products under one roof with complete control. 034 Motorsport carries a wide range of products that includes suspension parts, motor mounts, intakes, silicone hoses, and numerous underhood goodies.

Find 034 Motorsport at Vivid Racing

You can find an extensive lineup of quality 034 Motorsport parts right here at Vivid Racing. We carry everything from 034 Motorsport blow-off valves, cold air intakes, intercoolers, differentials, and ventilation systems to wheel spacers, springs, turbos, mid-pipes, and steering components. Whatever you may possibly need, chances are we carry it! If you cannot find a particular item above or have any questions, please call our sales team at (480) 966-3040.

It is the intention of 034Motorsport to sell only quality products. We offer a 1-year warranty against defects in workmanship or materials, not extending to normal tear and wear or mis-use. You must provide us with a proof of purchase, defect or the result of wear or mis-use. Some products have less than 1-year warranty. Please inquire before ordering.

034Motorsport will only replace or repair warranty items. No refunds will be given. 034Motorsport or the product manufacturer will inspect or test all products prior to a warranty claim adjustment. This process may take up to 6 weeks. You must obtain an RMA number from either Customer Service or Technical Support prior to any return. All products we offer are warranted to be free from defects prior to installation. Any modification or improper use voids this warranty. This warranty does not cover installation. 034Motorsport shall be the final arbitrator in interpreting the extent and remedy of warranty.

034Motorsport warranties are not transferrable, and available to the original purchaser only, however if you do buy a 034Motorsport part second hand and have a problem with it, do contact us as we can typically arrive at a reasonable, fair solution.

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