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MMX Performance High-Capacity Baffled Differential Sump - BMW M2/M3/M4 (G8x) 2021+
Lease for as low as $/week
The MMX G8X High-Capacity Baffled Differential Sump is engineered to keep your rear differential operating at peak performance under sustained track and aggressive road use. CNC-machined from 6061-T6 billet aluminum and designed as a direct OE-fit replacement for the OEM rear differential pan, this sump adds capacity, integrates active baffling and cooling, and gives you a port to plumb in an external cooler, the three things the OEM pan does not provide for serious track-day use.
Capacity is increased by up to 2 liters (2.10 quarts) above OEM, providing a generous oil reserve that keeps the gears and pinion fully lubricated through extended high-G maneuvers. The integrated internal baffled windage tray maintains constant lubrication regardless of vehicle attitude, while simultaneously reducing component drag, the result is less drivetrain power loss and better protection of the bearings and gear-set under load. Internal and external cooling fins maximize heat dissipation surface area, helping the diff oil shed heat fast enough to keep operating temperatures consistent through repeated lap-after-lap use.
For owners running their G8X on a circuit, this sump prevents the "Rear Axle Differential Lock: Driving Stability Limited" warning that interrupts a session when OEM diff temperatures climb. An additional -8AN port (with an M22 to -8AN adaptor included) lets you plumb the sump directly into an external diff cooler when you need to extend the cooling capability further still, and the sump is designed to integrate cleanly with the MMX Dual Differential Mount (MMR55-1606), so future drivetrain stiffening upgrades require no additional hardware.
Product Details
- Precision CNC-machined from 6061-T6 billet aluminum
- Direct OE-style fitment: no modifications required
- Compatible with MMX Dual Differential Mount (MMR55-1606), no extra hardware needed
- RWD and xDrive G8X drivetrains
- SKU: MMR55-1600
What's Included
- 1× billet CNC-machined baffled sump
- 1× billet CNC-machined windage tray
- Magnetic drain plug + seal
- Fill plug + seal
- M22 to -8AN adaptor for external oil cooler
- Necessary mounting hardware
Vehicle Applications
- BMW M2 (G87)
- BMW M3 (G80 / G81)
- BMW M4 (G82 / G83)
Related Products
- MMX G8X Dual Differential Mount
- MMX G8X Differential Heat Shields Pair
Notes
- X3M / X4M (S58-engined SUVs) fitment is not explicitly confirmed for this sump, please contact us before ordering for those chassis.
- Professional installation recommended.
- Includes a 1-year manufacturer warranty against defects in materials and workmanship
- Designed and tested in the United Kingdom
Returns may be accepted within 14 days of purchase pending Return Merchandise Authorization (RMA). No returns or cancellations on special order items. All returns will be charged a 20% restocking fee, no exceptions.
To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging. Item must be able to be resold as new.
Several types of goods are exempt from being returned. Hazardous materials, fluids, greases, chemicals, and clothing are not able to return.
Free shipping is available within the lower 48 states for most orders totaling $199 or more. A free shipping option will be available during checkout. This offer is for delivery address in the continental United States and excludes shipments going to Alaska, Hawaii, Military Boxes, and items that require freight shipping.
Processing Time
Patterson Performance stocks a large quantity of items at any given time. Some items may require drop shipping from one of our various distributors. In stock items will ship within 1-2 business days. If you're needing your product quickly, please contact us to verify product availability before placing your order. Orders requiring additional verification (security concerns, incorrect information, etc.) may need additional processing time. Estimated shipping dates are not guaranteed and are subject to change based on inventory levels and manufacturer lead times. Backordered items are shipped immediately once available.
Items ship daily, If the item you ordered is not in stock, a member of our team will contact you via email / phone.
Patterson Performance will only ship to an address that varies from your billing address if payment is made via Paypal or a financing partner.
Patterson Performance ships from multiple warehouses throughout the United States, and sometimes from manufacturers overseas.
You can simply contact us via email / telephone for a live inventory check
Find more information at www.P65Warnings.ca.gov.