One of the most important aspects in handling is the rigidity of the chassis. After you have done the basics with coilovers and sway bars, connecting the strut tops in the front and rear will substantially improve handling and driving performance. Strut bars reduce chassis flex in cornering by connecting the strut tops. This gives the car a more flat handling feeling when entering and exiting turns. BMP Design supplied us this lightweight and very rigid Carbon Fiber strut bar for our M3. The ends are CNC aluminum and fit perfect over the factory strut top bolts.
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