What does the MMX G8X rear toe arm bearings set do?

The MMX G8X rear toe arm bearings replace the factory rubber toe and traction arm bushings with billet 6061-T6 pillow ball bearings. This removes the rubber deflection that lets rear toe change under load, so the MMX bearing set keeps rear geometry consistent for sharper turn-in and more stable behavior under power.

Does this fit both F8X and G8X M cars?

Yes. The MMX Performance rear toe / traction arm bearing set fits the F8X M2, M3, and M4 and the G8X M2, M3, and M4. It presses into the factory rear toe and traction arms across both chassis generations.

It is sold as a complete rear toe and traction arm bearing set covering the bearings needed for both rear arms on one car. You do not need to buy additional pieces to complete the install on a single vehicle.

Will this increase rear tire wear or noise?

The pillow ball bearings can transmit slightly more road feel than rubber, which most M owners want. By holding rear toe steady, the MMX bearing set typically reduces uneven rear tire wear compared to worn factory bushings.

Is any modification required to install it?

No. The MMX rear toe / traction arm bearing set is a direct-fit pressed replacement into the OEM rear arms. No cutting, welding, or arm replacement is required, though a press and basic suspension tools are recommended for installation.

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Description

MMX Performance OEM Rear Toe / Traction Arm Bearing Set for F8X and G8X BMW M2, M3, and M4

The MMX G8X rear toe arm bearings replace the compliant factory rubber bushings in the rear toe and traction arms of your BMW M2, M3, or M4 with precision pillow ball bearings machined from billet 6061-T6 aluminum. Under acceleration, braking, and cornering the OEM rubber allows the arms to deflect, changing rear geometry mid-corner; the MMX pillow ball design fixes the pivot point so rear toe stays put, sharpening turn-in, stabilizing the car under power, and reducing uneven tire wear. Installed as a direct-fit pressed replacement into the factory arms. Sold as a complete rear toe and traction arm bearing set.

Features

Billet 6061-T6 aluminum pillow ball bearings replace the factory rubber toe and traction arm bushings
Fixed pivot point holds rear toe under load for sharper, more predictable handling
Reduces geometry change and uneven rear tire wear on street and track
Direct-fit pressed replacement into the OEM rear arms; no arm replacement required
Lightweight billet construction with a precision-machined finish

Specifications

Material: Billet 6061-T6 aluminum
Bearing type: Precision pillow ball
Fitment: Rear toe and traction arms
Sold as: Complete rear toe / traction arm bearing set

Applications

BMW M2 (F87): 2016-2021
BMW M2 (G87): 2023-present
BMW M3 (F80): 2015-2018
BMW M3 (G80): 2021-present
BMW M4 (F82 / F83): 2015-2020
BMW M4 (G82 / G83): 2021-present

Notes

Pairs with the MMX G8X rear camber arm bearing set for a fully spherical rear. Sold as a complete rear toe and traction arm bearing set.

Frequently Asked Questions

What does the MMX G8X rear toe arm bearings set do? The MMX G8X rear toe arm bearings replace the factory rubber toe and traction arm bushings with billet 6061-T6 pillow ball bearings. This removes the rubber deflection that lets rear toe change under load, so the MMX bearing set keeps rear geometry consistent for sharper turn-in and more stable behavior under power.
Does this fit both F8X and G8X M cars? Yes. The MMX Performance rear toe / traction arm bearing set fits the F8X M2, M3, and M4 and the G8X M2, M3, and M4. It presses into the factory rear toe and traction arms across both chassis generations.
How is it sold? It is sold as a complete rear toe and traction arm bearing set covering the bearings needed for both rear arms on one car. You do not need to buy additional pieces to complete the install on a single vehicle.
Will this increase rear tire wear or noise? The pillow ball bearings can transmit slightly more road feel than rubber, which most M owners want. By holding rear toe steady, the MMX bearing set typically reduces uneven rear tire wear compared to worn factory bushings.
Is any modification required to install it? No. The MMX rear toe / traction arm bearing set is a direct-fit pressed replacement into the OEM rear arms. No cutting, welding, or arm replacement is required, though a press and basic suspension tools are recommended for installation.

About MMX Performance

MMX Performance builds precision billet aluminum suspension and hardware upgrades for modern BMW M vehicles. Each component is machined in-house from billet 6061-T6 aluminum and engineered to remove the compliance and compromises of factory rubber parts, giving drivers sharper response and more consistent performance on the street and the track.

Additional Information

The Bulletproof Automotive website contains many thousands of products purchased in multiple different currencies. All of the prices are entered manually and accurately at the time of entry. Due to the consistently fluctuating international exchange rates, at times prices may not be able to be honored at their original intended rate. We apologize for any inconvenience this may cause, unfortunately our website is unable to compensate dynamically for what can at times be volatile changes in the cost of items due to currency values fluctuating, changes in prices from suppliers, changes in shipping and import duties, and other factors. Rest assured that any order you place on line will be at zero risk to you in this area. If in the event your order cannot be fulfilled at the original intended website price we will offer you a 100% refund, no questions asked. We will continue to do our best to maintain updated prices and we will always continue to offer our price match guarantees as well to ensure our prices are always the best for you. In short, prices may change without notice. It is always advised to give us a call prior to placing your order online to confirm availability and to confirm current pricing.

Shipping Policy

Items that are in stock in the US, either at Bulletproof’s warehouse or at a supplier’s warehouse, are generally delivered within 7-10 days. Special order items from overseas take considerably longer. As a courtesy Bulletproof offers delivery estimates to our customers which take into consideration manufacturer availability and shipping schedule. These estimates represent our best guess based on previous orders from the manufacturer and do not in any way imply a guaranteed delivery window. Many manufacturers work in a “just in time” inventory system and often take 2-20+ weeks to produce an item once an order is submitted. All deliverable items are then sent to our Japanese warehouse. Bulletproof ships a minimum of one full ocean freight container every month from Japan, oftentimes more than one a month. Ocean freight takes an average of 4 weeks. Typically it breaks down to one week in Japan for paperwork and customs, two weeks by boat and one week in US customs/clearance. Due to the wide number of variables between manufacturer and shipping schedules, delivery estimates are simply just that – estimates. We attempt to estimate conservatively and we usually deliver faster than our estimates suggest. It is not Bulletproof’s policy to guarantee delivery time of any special order item, this is impossible for us to do. By ordering you acknowledge that there is no required delivery ETA and an order may not be canceled or altered due to manufacturing or shipping delays, all ETA’s are provided as a best guess only. Please review the full Terms & Conditions here.

BP Pricing Difference

We do pricing a little differently on our JDM brands and we believe in making things simple and clear. No hidden fees or surcharges. Every price you see includes the shipping cost to our office in Los Angeles, California and all the associated taxes/duties/fees for bringing the products into the US. The only shipping you ever pay is from our facility in the US to your location. Be wary of resellers that don’t include the cost of international shipping in their pricing on JDM parts. While we believe we’ll always have the lowest all-in price on JDM products, we offer a price match guarantee for all authentic parts purchased from authorized dealers as well. For many international customers, it’s much more affordable to ship from the USA than from Japan directly, as the air freight and ocean freight costs are typically much less. However, for customers looking to ship directly from Japan outside of North America, or domestically in Japan, we can provide pricing specifically for that scenario. Please do not hesitate to contact us with any pricing questions or concerns. Please email us at sales@bulletproofautomotive.com with any inquiries.

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MMX Performance OEM Rear Toe / Traction Arm Bearing Set for F8X and G8X BMW M2, M3, and M4

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MMX Performance OEM Rear Toe / Traction Arm Bearing Set for F8X and G8X BMW M2, M3, and M4

Features

Specifications

Applications

Notes

Frequently Asked Questions

About MMX Performance

Reviews