BMW 17mm Adjustable Stabilizer Bar Rear (E39) - Dinan D120-0380

Product Information

A sway bar—also called an anti-roll bar or stabilizer bar—is a suspension component designed to reduce body roll during cornering. It essentially a metal rod that connects the left and right wheels (usually via short sway bar links) and twists slightly when the vehicle leans. This twisting action helps keep the car flatter in turns, improving stability and handling.

• Excessive Body Roll in Turns: The car leans more than usual when cornering, making it feel less stable.
• Clunking, Knocking, or Rattling Noises: Often heard when driving over bumps or during turns—usually from worn or broken sway bar links/bushings.
• Loose or Wandering Steering Feel: The steering may feel less precise or the car may “float” more, especially on curves.
• Uneven or Premature Tire Wear: Poor handling can lead to increased stress on certain tires.
• Reduced Cornering Grip: The car might feel like it’s losing traction sooner when turning.

About Dinan

DINAN Inc. is a well established and renown BMW tuner which was founded by Steve Dinan in 1979. Dinan develops, manufactures and markets a comprehensive line of high performance products and systems, distributed through a nationwide network of Authorized Dinan Performance Centers that includes select BMW Dealerships and Independent BMW Service/High Performance facilities. Dinan’s industry leading quality products and solid engineering have helped to make Dinan an almost household word among BMW driving enthusiasts. Road tests conducted by major automotive enthusiast publications over the last 30 years place Dinan enhanced BMWs on a performance level with some of the most exotic sports cars in the world. At the same time, Dinan enhanced BMWs are widely renowned for being civilized and reliable, providing a high performance BMW-like driving experience without equal.