Strut tower bars are an excellent and common handling upgrade. Strut bars work by bracing the shock towers together, preventing strut tower flex and alignment changes during aggressive driving. ECS Tuning has engineered a lightweight and extremely rigid strut bar kit comprised of carbon fiber, which not only provides a lightweight solution, but also will dress up your engine bay. Carbon fiber is an excellent addition on any vehicle, and offers a very unique look that is found on some of the most exotic vehicles on the road today. This strut bar kit features a clean woven design that is sure to look phenomenal for years to come, and will compliment absolutely and engine bay. Don't settle for a boring stainless steel or aluminum strut bar, your BMW deserves the best. Features high gloss carbon fiber bar and black CNC machines tower plates with stainless steel hardware. Not for SULEV M56 engine models.