Dinan Free Flow Axle-Back Exhaust - 2017-2020 BMW 540i Intercoolers Thermal management is handled through

Thermal management is handled through a ceramic coating applied as standard to every downpipe

and an increase in sound courtesy of the removal of the intake resonator and implementation of a semi-open design

The results of the oil cooler upgrade are quite significant

For maximum enjoyment and sound when the valve is opened on the M2 exhaust the system becomes a straight pipe to achieve peak power

Dinan's Performance Spring set for the F97 X3M and F98 X4M provides greater control over body roll by virtue of carefully calibrated spring rates

Dinan Free Flow Axle-Back Exhaust - 2017-2020 BMW 540i Intercoolers Thermal management is handled throughUtilizing 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 that is civilized when you want it to be, and pleasantly aggressive under hard acceleration. Not only is the tone improved but the additional burbles and pops that also accompany it are simply intoxicating. While on the exterior the sound may be viewed as aggressive the inside