Suspension Secrets BMW G80/G81 M3 & G82/G83 M4 Solid Rear Control Arm Bushes

Enhance rear-end stability and precision with the Suspension Secrets Solid Rear Control Arm Bushes for the BMW G80/G81 M3 and G82/G83 M4. Designed to replace the OEM rubber bushings found in the inner mounting point of the rear upper control arm, these CNC-machined aluminium solid bushes significantly reduce flex and unwanted movement under load. By maintaining consistent suspension geometry during hard acceleration, cornering, and braking, they deliver a sharper and more predictable driving experience—ideal for spirited road use and track days alike. Finished in anodised black for added durability and corrosion resistance, these bushes are a direct-fit upgrade engineered to withstand the high demands of the G8X chassis.

Key Features:

• Replaces OEM rubber inner rear control arm bushes with solid CNC-machined aluminium versions
• Reduces rear-end movement and maintains optimal suspension geometry
• Improves handling precision, traction, and overall chassis feel
• Black anodised finish for corrosion resistance and long-term durability
• Designed and manufactured in the UK by Suspension Secrets

Specifications:

• Material: Aerospace-grade billet aluminium
• Finish: Black anodised
• Fitment Position: Inner rear upper control arm bush (both sides included)
• Quantity: Pair (LH & RH)

Compatibility:

• BMW G80 M3 Saloon (2021+)
• BMW G81 M3 Touring (2023+)
• BMW G82 M4 Coupe (2021+)
• BMW G83 M4 Convertible (2021+)

Unless explicitly stated otherwise, all products sold by R44 Performance Limited are designated RACE ONLY and are solely for competition or off-road use limited to racing formally sanctioned by a recognized racing organization. Any other use, including recreational off-road use, may violate local, state, and Federal laws. R44 Performance Limited does not implicitly or explicitly confirm the legality of using any products it sells on public roads; that is entirely the responsibility of the consumer.

It is the responsibility of the customer to check with all federal, state local and environmental laws before ordering and installing a product. R44 Performance Limited is not responsible for any fees, fines or costs that a customer may incur as a result of failing to check with federal, state, local or environmental laws before ordering and installing a product.

We get a large number of custom orders and requests everyday, so as a result it is not always possible for us to keep every item in stock at all times in our warehouse. If you require the item urgently please contact our sales team here to check the stock before you make your purchase.

We totally understand if you're not certain a part will be compatible with your car, so we highly recommend contacting us here with your query. Our friendly sales team will then be in touch to confirm if this part is the correct part you are looking for.

All in stock products ship the same day if ordered before 2pm GMT

For out of stock items we will contact you with an estimated wait time if not otherwise specified above.

We offer worldwide shipping on all products. If upon receiving your product you wish to return; we offer a 30-day returns policy. For our in-depth returns information please follow the link. "R44 Returns Policy

All of our products come with a standard warranty of 1-3 years. This is dependant on the type of product however. For more details please see our warranty page here.