MMX Rear Differential Mount Bush, Rear Position | BMW F8x & G8x M2 M3 M4
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Description
Replace the standard rear differential mounting bush with the MMX Performance rear-position upgrade on BMW F8x and G8x M cars. Part number MMR55-1603.
Features and benefits
- 80A grey polyurethane bush with black-anodised 6061-T6 aluminium sleeve.
- Helps control differential movement during hard acceleration and transitions.
- Direct replacement designed to fit without cutting or drilling.
- Suitable for supporting the differential on performance road and track cars.
Vehicle fitment
BMW F87 and G87 M2, F80/G80/G81 M3 and F82/F83/G82/G83 M4. Check the specific differential assembly and mounting arrangement before fitting.
What's included and fitting notes
- One rear-position differential bush; order two where the chosen dual-mount conversion requires a pair.
- Compatible with MMX dual differential mount systems when fitted according to the correct F8x or G8x installation configuration.
- This is the standard-height rear-position bush; the raised G8x alternative is MMR55-1605.
MMX manufacturer part number: MMR55-1603. Please verify your exact vehicle specification and installation hardware prior to purchase. Professional fitting recommended.
More information
Get Booked in for fitting here
Warranty, Shipping and Returns
Products are supplied with the applicable manufacturer warranty. We offer UK and worldwide shipping. Please refer to the live availability information and our shipping and returns policies before ordering. Contact us if you need to confirm compatibility, intended use or any product-specific conditions.
Finance Options
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Why buy from us?
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Specifications
- Brand
- MMX Performance (Formally MMR)
- Product type
- Suspension Linkages
- SKU:
- MMR55-1603
- Vehicle make
- BMW
- Vehicle model
- M2, M3, M3 Touring, and M4
- Vehicle variant
- F87, F80, F82, F83, G80, G81, G82, G83, and G87
Need help?
Product questions answered
Helpful answers before you order. Need more detail? Our team can help.
How do I confirm this part fits my vehicle?
Check the model, year, engine, chassis and any exclusions in the product description. Select the required option before adding to your basket. The vehicle selector helps narrow your search; contact us if your car has different factory options or existing modifications.
Which suspension option should I choose?
Consider your road and track use, desired ride height and comfort preference. Check the listed axle loads, electronic-damper requirements and included parts where applicable. Contact us with your current setup before choosing an option.
What should I check before booking installation?
Ask your installer to check the supplied components and fitting instructions, any required mounting hardware and whether alignment or calibration is needed for your chosen parts. Confirm the delivery estimate before booking.
When will my order arrive?
Select your required option and check the live availability message above. Dispatch is when your order leaves us; delivery takes additional time and depends on the service and destination. If no verified lead time is shown, or you need the item for a fitting appointment or event, contact Nineteen72 Performance before ordering.
What is included in the price?
Check the product description, selected option and stated quantity before ordering. Images may show optional equipment or an example installation. If you need a matching pair, a complete kit or additional hardware, ask us to confirm exactly what is included.
How do I get help before ordering?
Contact Nineteen72 Performance with a link to this product and your question. For vehicle-specific parts, include your model, year, engine and any modifications that may affect compatibility.
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