4 Series

Following in the footsteps of the immensely popular and heralded intake for the BMW N55 engine, the next generation of 6 cylinder intake takes the same path to success. Improve upon the factory design by increasing flow via a larger air box and filter...

Following in the footsteps of its big brother on the B58 engine, the 4 cylinder intake takes the same path to success. Improve upon the factory design by increasing flow via a larger air box and filter element thereby improving throttle response and...

Efficiency and maximizing the potential of the stock intake design were the keys to development for this N55 intake. Our sealed system  delivers as much cold outside air as possible to the engine via an optimized carbon fiber tube that mimics the...

The Dinan Monoball Kit provides responsiveness you can feel by replacing the rubber bushings in the thrust arms with precision ball joints and machined aluminum housings. Improves responsiveness by eliminating the deflection inherent in the stock rubber...

With increased power comes increased demand on the fueling system to satiate that demand. The stock fuel pump is incapable of delivering consistent fuel flow at low fuel tank levels for high output applications under heavy load resulting in the...

Dinan's Performance Spring set for the F32 435i provides greater control over body roll by virtue of carefully calibrated spring rates. Additionally, Dinan lowers the 435i by a 1 inch in the front and rear for improved suspension geometry and an even...

Dinan's Performance Spring set for the F22 M235i provides greater control over body roll by virtue of carefully calibrated spring rates. Additionally, Dinan lowers the M235i by a 1/2 inch in the front and a full inch in the rear for improved...

The N55 xDrive turbo hardware kit consists of the required additional components when upgrading to the Dinan big turbocharger on an xDrive vehicle. These components are replaced when installing a turbocharger per BMW recommended procedure. On a RWD...

To fully enjoy Dinan performance spring sets we highly recommend pairing them up with our supplemental ride quality and handling kits. This additional kit includes tuned, progressive rate bump stops that maximize suspension travel on the lowered car for...

The Dinan Tension Strut Ball Joint Kit provides responsiveness you can feel by replacing the rubber bushings in the thrust arms with precision ball joints and machined aluminum housings. Improves responsiveness by eliminating the deflection inherent in...