Ultra Racing Rear Anti-Roll Bar – BMW E46/E85/E89 (1997-2016) | UR-AR21-265

The Ultra Racing Rear Anti-Roll Bar (SKU: UR-AR21-265) is a precision-engineered chassis brace designed specifically for the BMW E46/E85/E89 (1997-2016). This brace controls rear body roll, balancing the chassis and helping rotate the car under load.

Manufactured by Ultra Racing from high-grade steel, every brace is laser-cut and CNC-bent for accurate fitment to factory mounting points — no drilling, no cutting and no permanent modification required. It is a bolt-on upgrade ideal for road, track day and motorsport applications.

Vehicle Compatibility

This Ultra Racing brace is engineered for the following specific applications:

• BMW E46 (318i) 1.9 2WD — 1997-2006
• BMW E46 (320i) 2.0 2WD — 1997-2006
• BMW E46 (320i) 2.0 2WD M SPORT — 1997-2006
• BMW E46 (323i) 2.3 2WD — 1997-2006
• BMW E46 (328i) 2.8 2WD — 1997-2006
• BMW E46 (320) 2.0 2WD — 2000-2006
• BMW E46 (330i) 3.0 2WD — 2000-2006
• BMW E46 (320) 2.0 2WD FACELIFT — 2001-2006
• BMW E46 (325i) 2.5 2WD — 2001-2006
• BMW E85 (Z4) 2.5 2WD ROADSTER — 2002-2008
• BMW E85 (Z4) 2.5 2WD ROADSTER NO DOOR SWITCH — 2002-2008
• BMW E89 (Z4) 3.0TT 2WD — 2009-2016

Important: This part is chassis-specific. Please confirm your chassis code, engine variant and drivetrain match the compatibility list below before ordering. If you are unsure, contact R44 Performance with your VIN and we will confirm the correct fitment for your vehicle.

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.