Whiteline Rear Sway Bar 20mm Adjustable w/ Endlinks – 1999-2006 BMW 3 Series Models

Complete Rear Anti-Roll Upgrade for the E46 BMW 3 Series
The Whiteline BBR11Z is a 20mm 3-point adjustable rear sway bar with endlinks included for the 1999-2006 BMW 3 Series (E46). Everything needed for a complete rear bar installation is included — bar, mount bushings, hardware, and endlinks. The 20mm diameter provides meaningful rear roll stiffness improvement over the E46’s factory rear bar with three adjustment positions for setup flexibility.

DETAILS

• 20mm 3-point blade adjustable rear sway bar
• Endlinks included
• Solid spring steel, silver powder coat
• Includes mount bushings and hardware
• Fitment: 1999-2006 BMW 3 Series (E46 chassis)
• Direct bolt-on installation

E46 Rear Balance and Handling Character
The E46 3 Series is renowned for its handling balance — a balance partly defined by its rear sway bar calibration. Adding adjustable rear roll stiffness allows tuning the car toward more rotation on corner entry, which is what most E46 enthusiasts want. The 20mm BBR11Z provides a meaningful step up from factory with the adjustability to tune for different setups.

Endlinks Included for Complete Install
The included endlinks mean no separate purchase is needed. Size is correct for stock E46 ride height; adjustable endlinks are available for lowered applications.

Pair With Front Bar for Complete Balance
Whiteline offers a front sway bar for the E46 (BBF38Z, BBF15Z). A complete front and rear upgrade provides the most balanced and comprehensive improvement in the E46’s roll stiffness and handling character.

Why Choose Whiteline

Whiteline has been engineering suspension components from their facility in Australia since 1979. Every product in their catalog is developed with a clear goal: measurable improvement in handling, stability, and tyre contact. Whiteline’s polyurethane bushings, sway bars, control arms, and alignment correction kits are engineered using finite element analysis and validated on track before they reach the market. Their components are direct-fit, bolt-on solutions designed for enthusiasts who want real performance gains without fabrication or custom work.

The RallySport Take

A clean, complete rear anti-roll solution for the E46. Endlinks included, matched, and immediately transformative on the E46’s rear handling balance. Installation is a straightforward bar swap — remove the OEM bar, install the Whiteline unit with the provided polyurethane mount bushings, connect the endlinks. Start in the middle adjustment position and move from there. Adjustable endlinks are a worthwhile companion purchase if the car has been lowered, ensuring the bar operates at zero preload at the new ride height.

What’s in the Box

• 20mm 3-point blade adjustable rear sway bar
• Endlinks included
• Solid spring steel, silver powder coat
• Includes mount bushings and hardware

Fitment