MMR55-1001

MMX Differential Dual Mount (No Bush) | F8x | M2 | M3 | M4

The MMX Dual Differential Mount (MMR55-1001) is engineered for the BMW F8x M2, M3 and M4. Used on its own in the OEM position, it opens up a second rear mounting point BMW left unused from the factory, adding stiffness and reducing drivetrain movement under load, whether run with the factory bushes or two of the MMX Rear Diff Mount Bush (MMR55-1603) for a firmer setup. Paired with the MMX Front Differential Lift Mount / Cradle (MMR55-1604) in the Lifted position, it raises the differential by 10mm, correcting driveshaft geometry on lowered vehicles and reducing heat and premature wear on the axle shafts. Precision machined from 6061-T6 billet aluminium, it's a direct replacement requiring no modification.

Two Positions, One Mount

The MMX Dual Differential Mount (MMR55-1001) is a precision machined addition to the F8x M2, M3 and M4 differential, opening up a second rear mounting point BMW left completely unused from the factory. Run on its own in the OEM position, it adds a genuine second point of support to the diff, tightening up the connection to the chassis and reducing unwanted movement under normal and increased torque loads.

F8x diff mounts are a known weak point on this chassis, prone to tearing and premature failure under hard use. The Dual Differential Mount is a direct answer to that, adding real reinforcement rather than just stiffer rubber in the same single mounting point. It can be run with the factory bushes for a like-for-like fit, or with two of the MMX Rear Diff Mount Bush (MMR55-1603) for a firmer, more connected setup.

Paired with the MMX Front Differential Lift Mount / Cradle (MMR55-1604) and set to Lifted, the same mount raises the differential by 10mm. This corrects the driveshaft geometry that gets thrown out on lowered F8x builds, taking the heat and premature wear off the CV joints and axle shafts that comes with running a lowered ride height.

SKU: MMR55-1001

MMX Differential Dual Mount (No Bush) | F8x | M2 | M3 | M4

Sale price£349.99

Tax excluded. Shipping calculated at checkout


The MMX Dual Differential Mount (MMR55-1001) is engineered for the BMW F8x M2, M3 and M4. Used on its own in the OEM position, it opens up a second rear mounting point BMW left unused from the factory, adding stiffness and reducing drivetrain movement under load, whether run with the factory bushes or two of the MMX Rear Diff Mount Bush (MMR55-1603) for a firmer setup. Paired with the MMX Front Differential Lift Mount / Cradle (MMR55-1604) in the Lifted position, it raises the differential by 10mm, correcting driveshaft geometry on lowered vehicles and reducing heat and premature wear on the axle shafts. Precision machined from 6061-T6 billet aluminium, it's a direct replacement requiring no modification.

If you already run the MMX Front Differential Lift Mount / Cradle (MMR55-1604) and/or the MMX High Capacity Diff Sump (MMR55-1000), the Dual Differential Mount is the natural next step to complete the setup.

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Vehicle fitment.

While every effort has been made to ensure the accuracy of vehicle information, we are not liable for abnormalities or inaccurate data. Customers are wholly responsible for checking fitment for their specific vehicle and engine variant.

Series

F-Series

Chassis code

F80, F82, F83 & F87

Model year

M2 (2016-2021), M3 & M4 (2014-2020)

Where to purchase

Over 100 dealers, globally.

Our network of expert MMX Performance dealers can supply our full range, together with product guidance and advice, plus often an experience fitting service.

If you haven't got a MMX Performance dealer close to you, don't worry! Remember you can buy direct from our MMX Performance webshop.

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About MMX

A decade worth of obsession.

MMX Performance products have been designed and developed in the UK with passion by enthusiasts, for enthusiasts. All of our products are created in the world's toughest development lab: motorsport. We push the limits and reach new heights on track; then refine our products to give you the performance you need when you want it on the road.

Our extensive range of BMW and MINI upgrades offer unrivalled quality, performance and reliability worldwide; furthermore, every product carrying the MMX logo is thoroughly durability tested both on the road and track, so you can have complete peace of mind that you're installing only the best quality products to unlock the true performance potential from your car.