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Description
Powerflex Black Tuneable Engine Mounts - BMW E36 | E46 | E9X M3Note: Price is for a pair (2) mounts. Over the last few years, the increase in popularity of Powerflex's engine mount inserts has made them aware of the lack of performance engine mounts suitable for both street and track use. Listening to market feedback from BMW owners initially, the focus was to supply a replacement for the oil filled, often soft and torn mount that wouldn't ruin the street driving experience by compromising NVH transmission, but
Note: Price is for a pair (2) mounts.
Over the last few years, the increase in popularity of Powerflex's engine mount inserts has made them aware of the lack of performance engine mounts suitable for both street and track use.
Listening to market feedback from BMW owners initially, the focus was to supply a replacement for the oil-filled, often soft and torn mount that wouldn't ruin the street driving experience by compromising NVH transmission, but would improve and increase engine control. Not an easy task, but a challenge they were happy to accept!
After many months of development, they are pleased to be releasing PFF5-4650, their 'tuneable' Engine Mount.
This mount is designed to fit 4, 6 and 8 cylinder 3-series BMW. Fitment includes E36, E46 and E9X M3 only. It will fit diesel models, however there will be a noticeable increase in vibration at lower rpm levels.
The black anodized body of the billet-aluminium CNC machined mount houses 2 polyurethane bushes with special fluting and shaping (Black 95A) to isolate the engine vibration from the chassis.
What Makes It 'Tuneable'?
Whether it's a daily driver, or track weapon, PFF5-4650 can be tuned to suit. It comes with 4 insert pins which can be fitted into the mount whilst on the vehicle. With the pins fitted, it fills internal voids stiffening the mount by around 25%. This makes it ideal for improving the car for the occasional track day, and when finished the pins can be removed without suffering any excessive NVH.
With the popularity of our Black Series parts with BMW owners, we are also offering the mount with Black 95A durometer bushes fitted.
With the pins included and this super-hard configuration, the increased load for the same given movement is a whopping 675% at 4mm over the standard M3 mount. As you would expect there will be a significant increase in NVH, making it suited to the hardcore enthusiast only.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.2 ★★★★★
Based on 11 reviews
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Product Reviews
★★★★★ 5
Good stuff !
Model: 36 SqFt(3.4 SqM), Model: 36 SqFt(3.4 SqM)
This is an excellent product. Easily moldable, cuttable with good scissors or razor knife, very sticky, works great.
This pack was enough to do all 4 doors on a crew max truck, and I went wild on the fronts. I used 9 peices on each rear door which was just enough, and the rest on the fronts. I doubled up layers and even used some on the back of the door panels. If you follow the instructions and dont go wild you might even have extra left over.
It works just like you would imagine. Without doing the entire cab there will still be road noise but this helped noise, better audio, no buzzing door panels, terrific improvement.
It is kind of heavy, so extra weight is added to truck, but that really isnt a bad thing. It is noticable but in a good way.
Get it. Use it.
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Reviewed in the United States on March 20, 2026
★★★★★ 4
Good product
Model: 36 SqFt(3.4 SqM)
Easy to roll out. Works great
Why did you pick this product vs others?:
Fair price for the amount of coverage, good quality
Works well:
Easy to install, rolls out great. Forms to contours well
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Reviewed in the United States on July 13, 2025
★★★★★ 5
Great product
Model: 36 SqFt(3.4 SqM)
I used this on the doors of a Toyota Tacoma, worked as it described. Reduced the road noise significantly.. Need to buy another box for the floor and roof of the truck..
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Reviewed in the United States on May 15, 2026
★★★★★ 5
Great product - Add foam product for complete solution
Model: 36 SqFt(3.4 SqM)
Used in two cars with speaker upgrades. Easy to install but get the roller for assured adhesion.removes "tinnyness" from large metal resonators. Use with foam absorptive material for a complete system.
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Reviewed in the United States on April 14, 2026
★★★★★ 5
Great Product for noise reduction in Auto Use.
Model: 36 SqFt(3.4 SqM)
I use this on many builds to dampen the metal echo in cars, vans, and trucks. Just one sheet in the center of a body panel is a huge difference maker. You can also cover the entire surface and get added insulation value. The noise is greatly depleted and it's easy to install with a roller tool. Looks Great when done. Good Product I will use again!
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Reviewed in the United States on December 29, 2025