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Control arm bushings play a key role in connecting the wheels to the chassis of the vehicle. Tasked with keeping suspension geometry in check while absorbing noise, vibration, and harshness (NVH) factory rubber bushings were engineered to provide a balance of comfort and control. As a factory bushing ages, it becomes brittle and begins to harden. When this happens the bushing will actually shrink and allow excess play in the suspension joint. This is typically felt by a sudden jerk forward after the car comes to a stop and is a leading cause of "sloppy" or "loose" suspension feel. By replacing the bushing with a full polyurethane unit or using a bushing insert, this play is eliminated since the suspension joint is being supported by a much stiffer material that will not harden or shrink over time. Additionally, the inherent stiffness of the urethane material translates body forces much more directly. This means steering inputs from the driver are effectively transferred to the wheels and vital road information is transmitted properly from the wheels to the driver.
Powerflex Black Series bushings are the ultimate in track and race bushings. Featuring 95A durometer polyurethane, Black Series bushings are 25% stiffer than street bushings. Engineered to perform, Powerflex performance polyurethane control arm bushings offer a supreme level of control, while still providing enough comfort for the street, with advanced polyurethane that reduces NVH that often accompanies lesser bushings. Expect improved steering feel, turn in, more responsive handling and overall improved chassis composure with Powerflex performance polyurethane control arm bushings.
Poweflex is a leading manufacturer of aftermarket suspension bushings. Using state of the art design and manufacturing, all replacement bushings are engineered to out-perform and out-last the ones that came in the car. Each line of bushings is meticulously tested and then re-tested to ensure perfect fitment and enduring quality through the life of the vehicle. A full lifetime warranty backs every one of their products and demonstrates the level of confidence and commitment Powerflex has to their customers.
This part fits the following BMWs:
2008 - 2013 E82 1 Series Coupe 128i 135i 135is 1M Coupe
2006 - 2008 E90 323i 325i 325xi 328i 328xi 330i 330xi 335i 335xi
2009 - 2012 E90 323i 323i 328i 328xi 335d 335i 335i xDrive 335xi
2006 - 2009 E91 325xi 328i 328xi
2009 - 2011 E91 328i 328xi
2007 - 2013 E92 328i 328xi 335i 335xi
2007 - 2013 E93 328i 335i
The rear diffuser completes the look of the rear bumper and adds more presence and muscle to the aesthetics. The Akrapovic M2 rear diffuser is made from beautiful carbon fiber with a high gloss clearcoat. It fills in the gaps around the stock rear exhaust surround and is molded to fill the void between the exhaust tips.
While designed with the Akrapovic exhaust in mind, this M2 diffuser can be used with almost any stock or aftermarket exhaust.
Easy installation using stock hardware and reversible thanks to no modifications.
Akrapovic doesn't disappoint in the sound and engineering of the F87 M2 Evolution exhaust. True to form, their downpipe-back system sounds exotic and beastly. It's a European supercar sound instead of American muscle. The Akrapovic Evolution exhaust is a straight pipe from the M2 downpipe to the rear muffler - no cats and no resonators to dampen the sound. The rear muffler incorporates two bypass valves to tailor the sound level to your needs. The whole system is made from ultra light weight titanium with carbon fiber tips.
Akrapovic M2 Evolution Exhaust Specs -
The Akrapovic system includes muffler valves for both outlets (the stock system only uses one on the driver side). A valve controller and wiring harness are included to operate both valves from the stock wiring. This allows you to preserve the stock operation of the valves in Comfort, Sport, and Sport+ modes. In addition, Akrapovic has their own optional sound controller that lets you open/close the valves from a key fob or phone app (iOS or Android).
An optional carbon fiber diffuser complements the carbon fiber Akrapovic exhaust tips. Not required for install, the carbon diffuser helps frame the rear exhaust tips and outlets and present a more muscular and athletic appearance.