Rogue Engineering - Performance Rear Trailing Arm Bushing (RTAB) Set (Black Street Compound)

The factory BMW RTABs (Rear Trailing Arm Bushings) are a very soft material to provide the quietest, most comfortable ride possible. Because of this, we have seen factory mounts require replacement in less than 50,000 miles and 3 years. On modified vehicles, expect them to require replacement sooner. The Street Compound is suited for daily drivers that see light track duty.

Are your bushings already shot?
A simple test to determine if the stock rear trailing arm bushings require replacement is driving the vehicle in a straight line. While in gear, under full acceleration, does the car pull to one side? Additionally, under full, firm application of the brakes, does the car pull again? If you answered yes to either one, the bushings probably require replacement.

Rogue Engineering Performance RTABs
This harder compound is designed for TRACK applications, where monoball components are not allowed. Less expensive than full Delrin bushings, these bushings are extremely stiff to provide the absolute maximum performance at the TRACK. Please note, because of hardness of this compound, these can transmit more noise, vibration, and harshness.

This hardness is important in this bushing especially in modified vehicles, since they will exert more force on the rear suspension during acceleration.

The inner sleeve that supports the bushings is made from 6061-T6 aluminum, CNC'd to exacting specifications for a perfect fit.

Do NOT confuse these bushings with bushings produced outside of the US, with unknown material hardness. We have installed similar bushings produced by other companies which are simply too soft. In these cases, it would have been better if stock bushings were used since it allows too much movement of the rear trailing arm.

Squeak, Squeak. What was that noise?
A common downside of the urethane bushings over stock rubber ones was that they would typically develop noise over time (or even right away). These noises were from a combination of the harder material, inadequate lubrication (or none at all), and the contact with the factory steel mounting hat rubbing against the bushing.

A new, exclusive feature now incorporated into the Rogue Engineering RTABs is our new machined "grease trap". You can see this "grease trap" (picture 1), which is the small area around the end of the aluminum pin. This allows for lubricant to be remain captive during the installation of the bushings (picture 2) instead of being scraped off by the factory steel mounting hat. Rogue Engineering is the only company on the market to introduce a novel solution such as this to reduce the noise without sacrificing the performance.

RE's manufacturer has has offered a silicon based formula, to also keep the urethane bushings quiet. This formula costs more (approximately 1.3 oz. of silicon is used per bushing) but we feel that this is the best way to offer the best bushing on the market.

Professional Installation Required
Because the RTAB "console" removal is required, an alignment is recommended. For installation of the part itself, it is very straightforward, but requires some special tools. However, because of the unique design, installation of the bushings is much easier than factory bushings.

Models Supported:
1992-1999 E36 3-Series & M3
2001-2006 E46 3-Series & M3
2003-2008 E85/6 Z4 & Z4M