MRT Engineering suspension arms (8kpl), BMW F8x M2 / M3 / M4

MRT Engineering – Rear Suspension Kit for BMW F87 M2 / F80 M3 / F82 M4 / F83 M4

Race-proven rear suspension components engineered for the BMW F8X platform. This kit replaces the compliant OEM rubber with motorsport-grade, 3-piece rod ends to deliver precise geometry control, sharper response and extended adjustability for street, track day, and competition use.

Highlights

• AW-7075 lightweight aluminum lower arms (4 pcs) and upper arms (4 pcs)
• Replaceable 3-piece JMX-series motorsport rod ends
• Eccentric lockout kit included (keeps alignment fixed under load)
• Length adjustable −10 mm to +20 mm each
• Up to 30% weight saving vs. original arms
• Complete with mounting hardware and MRT Engineering decals
• Fits all F87, F80, F82 and F83 models

Why choose this kit?

Factory rear suspension on the F8X platform prioritizes comfort, using rubber bushings that can allow geometry to shift under load. Lowering, wider tyres and track use increase the need for stable alignment and wider adjustment range. This kit provides a crisp, direct feel with repeatable alignment—ideal for aggressive street setups, track days, time attack and racing.

Fitment & variants

Compatible with: BMW F87 M2 / F80 M3 / F82 M4 / F83 M4

Installation

No special tools required; direct bolt-on. Rear alignment is required after installation.

If you need assistance, please contact us—we’re happy to help.

Service & durability

The kit has been validated on both street and track by numerous customers. We continuously develop the design based on user feedback. The same bearings have proven maintenance-free for 20,000 km in daily use without excessive wear. When service is due, all bearings are easily replaceable. Spares are widely available from automotive/industrial suppliers, and we can supply any replacement part directly.

Optional: RODOBAL rod end / spherical bearing upgrade

Upgrade to premium RODOBAL bearings for extreme use. Ask us for offer

Note: Product photos are illustrative. Final specifications may vary by kit selection.