SKU: 4997262668

POWERFLEX Black Series BMW M4 F82 F83 Rear Diff Mounting Bush

Sale price$92.25 Regular price$102.50
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Ships within 48 hours · Estimated delivery Aug 29 - Sep 3

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Description

POWERFLEX Black Series BMW M4 F82 F83 Rear Diff Mounting BushBackground to POWERFLEX EPTG Ltd (European Polyurethane Technologies Group) was formed in the UK in 1996 to take advantage of the significant advances made in the development of polyurethane in recent years. The company has wide experience in automotive suspension and chassis systems and combining these design skills with advanced polyurethane manufacturing techniques led to the development of a wide range of high performance automotive polyurethane

Background to POWERFLEX

EPTG Ltd (European Polyurethane Technologies Group) was formed in the UK in 1996 to take advantage of the significant advances made in the development of polyurethane in recent years.

The company has wide experience in automotive suspension and chassis systems and combining these design skills with advanced polyurethane manufacturing techniques led to the development of a wide range of high performance automotive polyurethane components now known the world over by the product name POWERFLEX.

The stainless steel components are machined on the latest computer-controlled equipment to ensure perfect repeatability and quality.

The moulding and tooling, design and manufacturing are carried out within the factory ensuring very rapid response time to special projects and complete communication between development, prototyping, testing and manufacturing departments. Component manufacturing is carried out with the latest automatic processing equipment ensuring 100% right-first-time quality. Testing of new components is carried out both on the vehicle and on test rigs.

All of these factors combine to make Powerflex the number one performance bushing.

BM Performance Centre stocks and sells both Road Series and Black Series bushes (for track and motorsport use) and suspension components.

Road Series – for Road and fast Road use.

POWERFLEX Road Series bushes improve your cars’ road holding and chassis performance by controlling the amount of unwanted flex in the suspension. This means the suspension is doing what it is supposed to. It means your tyres have greater contact with the road at all times, therefore, improving safety and performance. Correctly formulated polyurethane is as good if not better at noise, vibration and harshness suppression when compared to worn rubber. Our Road bushes offer Prolonged tyre life, Improved performance, Increase safety, and Greater cost-effectiveness.

Black Series – for Track and Motorsport use.

POWERFLEX Black Series bushes are manufactured using our Black 95 Shore A compound to provide maximum control of chassis geometry. They are designed for the Track, ready to Race and are engineered to be the best. This compound can be up to 80% more resistant to load than standard rubber and 25% stiffer than our purple performance material. If your requirements are purely for the ultimate in handling and chassis performance then Powerflex Black Series are unique, offering the most precise and accurate alignment for your chassis.

OUR MATERIALS

Our materials are colour coded to make them easily identifiable. Below explains the shore rating and their common uses.

Red 65A – Used for our Universal exhaust mounts and diesel engine mounts.

Yellow 70A – Mainly used for engine mounts, diff mounts and subframe mounts or areas where the bush needs a lot of movement and absorption.

Purple 80A – Our most common material. This is used in most areas of the suspension and provides the right mix between performance and compliance.

Black 95A – Our hardest material. This is used mostly for our Black Series range or in our Road Series where the vehicle’s standard suspension demands require us to use this hardness of material i.e. in areas of high load.

This is a replacement part that uses our Black Series material to boost stiffness over the original part by 18% to withstand increased loading seen by this position on the car. 

PFR5-4026 is a replacement bush that features a built-in support washer, providing further stability of the diff under acceleration. PFR5-4026 can also be used in conjunction with our PFR5-4030 dual-mount rear differential bracket to mount two bushes into the factory positions. Made using our signature Black 95A durometer polyurethane and Black anodised 2011-T6 aluminium, to reduce drivetrain deflection and the potential for wheel-hop during hard launches. PFR5-4026 bushes can be fitted with our PFR5-4030 dual-mount rear differential.

OEM Part Number: 33177852495

OEM Part Number: 33316899168

PFR5-4026 bushes can be fitted with our PFR5-4030 dual-mount rear differential. 

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 4997262668

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Shredder
Alexandria, US
★★★★★ 5
Lightweight, Comfortable Hoodie That’s Great for Everyday Wear
Color: Grey Green, Size: XX-Large
This hoodie turned out to be a really solid combination of comfort, performance, and casual style. The fabric feels lightweight and breathable while still providing enough warmth for cooler mornings and evenings. I especially like how soft and stretchy it feels without being bulky. The moisture-wicking, quick-drying material works well for workouts and outdoor activities, and it also looks clean enough for everyday casual wear. I’ve worn it to the gym, while traveling, and just around the house, and it’s been comfortable in every situation. The subtly textured design gives it a more premium appearance than a standard hoodie, and the fit strikes a nice balance between relaxed and athletic. It layers easily with jackets or can be worn on its own with joggers or jeans. Another big plus is the UPF protection, which makes it useful for outdoor activities like hiking, golf, or walking around in the sun. Overall, this is a versatile, comfortable, and stylish hoodie that works great for both active and casual use. Highly recommended!
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Reviewed in the United States on May 20, 2026
T
Timothy Ward
Omaha, US
★★★★★ 5
A great lightweight hoodie.
Color: Light Dark Blue Grid, Size: X-Large
Another excellent M MAELREG product. I already have some pants and jackets from M MAELREG and figured this hoodie would be great as well and I was right. It is lightweight and very comfortable while also being warm. The material is smooth and soft to the touch with a stylish look to it that would work in tthe gym, on the golf course, or out about town. I really love the hood design, not having a single hem down the center lets the hood rest more naturally on your head. It fits as expected, I would prefer it to be a couple inches longer, but that's just my personal taste. Overall, this is an excellent lightweight hoodie.
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Reviewed in the United States on May 18, 2026
R
Robbel
Los Angeles, US
★★★★★ 5
Nice hoodie, very comfortable
Color: Misty Blue, Size: Medium
This hoodie feels lightweight and breathable which makes it good for golf, workouts, or just casual everyday wear. The fabric has a soft athletic feel and stretches enough to stay comfortable while moving around. It’s lighter than a standard sweatshirt, so it works better for layering or mild weather. I liked that it didn’t feel bulky while still giving some warmth during cooler mornings. The hood lays nicely and the material dries fairly quickly if you sweat in it. It also has a cleaner athletic look that pairs well with joggers, shorts, or golf pants without looking sloppy. One thing to note is it’s thinner than some people may expect from a hoodie, so it won’t replace a heavy sweatshirt in colder weather. The fit also runs slightly slim depending on build. Still, for sports, travel, or casual wear, it’s comfortable and easy to throw on without feeling heavy.
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Reviewed in the United States on May 11, 2026
H
hannah
Lowell, US
★★★★★ 4
Great lightweight fabric, good design
Color: Grey Green, Size: Small, Color: Grey Green, Size: Small
This hoodie is a great athletic top. The size small fits my husband well, although it's a little loose in the arms. So if you have a leaner figure, you may find it a bit baggy. But the fabric is fantastic, a high-quality performance fabric that seems breathable and the UV protection is a great bonus. The sleeves are long enough to make good use of the thumb holes in cooler weather, and the color is a nice neutral, gray-green. For reference, the size small has a chest of about 42" (measured just under the sleeves) and a center back length of approx. 25".
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Reviewed in the United States on April 5, 2026
N
NorNev Reviews
Carnegie, US
★★★★★ 5
Great Quality and Look
Color: Grey Green, Size: Medium
21st century materials are here to save us! :) M Maelreg does a great job utilizing those materials to the best of their ability. I've really become a fan of just about anything that they make, and this shirt is no exception. It's made from the very popular 88/12 Poly/spandex blend that has become ubiquitous in the fitness/active industry because of its amazing tensile characteristics- wicking, quick dry, UPF, and extra comfy against the skin. You get all of that here and a no-frills, really beautiful color to go along with a fit that is exactly true to size. I took the more form-fitting version for my 5'10" 175 lb. frame (I've found both L and M work from these guys, M for a more tailored look) and it's exactly right- enough room to move around comfortably and breathe, not so tight that it's hugging my belly. It's super lightweight and really easy to launder (I hang dry mine to prevent pilling and wrinkles), cold/low and a medium/low heat iron to rid those stubborn factory wrinkles and you shouldn't ever need to iron it again. Another great offering from the folks at Maelreg.
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Reviewed in the United States on April 15, 2026

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