Transform the M550i/M850i engine bay with the Dinan carbon fiber intake system and enjoy added top end power, improved throttle response as well as an overhauled visual appearance that embodies the raw strength of the stout V8 motor! To propel these...

The Dinan M5 exhaust system provides maximum flow characteristics for optimum power gains while producing a civilized, yet very sporty exhaust note that is appropriately aggressive at wide open throttle. And there's none of that irritating low rpm...

Dinan's Free Flow Exhaust improves exhaust flow by reducing back pressure, resulting in increased power output and a great sporty sound that is civilized when you want it to be and pleasantly aggressive under harder acceleration with zero drone...

The Dinan M5 exhaust system provides maximum flow characteristics for optimum power gains while producing a civilized, yet very sporty exhaust note that is appropriately aggressive at wide open throttle. And there's none of that irritating low rpm...

Dinan's Free Flow Exhaust improves exhaust flow by reducing back pressure, resulting in increased power output and a great sporty sound that is civilized when you want it to be and pleasantly aggressive under harder acceleration with zero drone. 100%...

Dinan engineers designed the F10 BMW 535i exhaust to improve exhaust flow by reducing back pressure, resulting in increased power output and a great sporty sound that is civilized when you want it to be, and pleasantly aggressive under hard acceleration...

Dinan’s Free Flow exhaust system features 100% stainless steel construction measured to exact specifications to ensure proper fit via factory hangers and mounting points. Dyno tuned for maximum exhaust flow with minimum backpressure, this system is...

Dinan engineers designed the F10 BMW 535i exhaust to improve exhaust flow by reducing back pressure, resulting in increased power output and a great sporty sound that is civilized when you want it to be, and pleasantly aggressive under hard acceleration...

Dinan’s Free Flow exhaust system features 100% stainless steel construction measured to exact specifications to ensure proper fit via factory hangers and mounting points. Dyno tuned for maximum exhaust flow with minimum backpressure, this system is...

Special Note: Factory computer-controlled exhaust valve is eliminated. Utilizing the same muffler as its B58 siblings the G30 540i exhaust improves exhaust flow by reducing back pressure, resulting in increased power output and a great sporty sound...

Almost all street cars come from the manufacturer with an anti-roll bar as it is a common part of modern suspension systems. However they are designed to be overly soft for maximum comfort. An anti-roll bar does exactly what it says by reducing body roll...

Dinan's High Flow Air Mass Meter and Intake Assemblies reduce the intake restriction presented by the stock configuration for a better breathing engine. Increasing the flow of cool, oxygen rich air increases power output by 21 horsepower, as well as...

Dinan's high flow intake system for the 550 dramatically increases intake air-flow volume and velocity as well as ensuring the lowest possible intake air temperatures for maximum power gains, as well as improved throttle response. The system takes full...

Dinan’s High Flow Throttle Body improves intake air flow for additional horsepower and torque gains. The internal diameter of the stock throttle body is bored larger for a 9% increase in air flow area. The resulting increase in air flow provides more...

More power, great looks, more consistent performance and no downside by upgrading to the DINAN High Performance Intercoolers for the N63 twin-turbo V8. Heat is the enemy of horsepower, beat it by replacing the air-to-water intercoolers with larger units...

More power, great looks, more consistent performance and no downside by upgrading to the DINAN High Performance Intercoolers for the N63 twin-turbo V8. Heat is the enemy of horsepower, beat it by replacing the air-to-water intercoolers with larger units...

Negative Camber Control Arms provide a remarkable reduction of understeer and more immediate turn-in by inducing more negative camber on the front wheels. The additional negative camber improves the grip of the front tires in the turns thus reducing the...

Dinan's Performance Spring set for the F10 550i provides greater control over body roll by virtue of carefully calibrated spring rates. Additionally, Dinan lowers the vehicle by a 1/2 inch in front and 1/2 inch in the rear for improved suspension...

Suspension systems that not only transform the stance of the vehicle but also maintain ride quality and improve upon handling are what Dinan suspensions are known for. This is accomplished by pairing springs sets with bump stops, spring perches or both...