Valvetronic Designs Valved Sport Exhaust BMW X3M/X4M F97/F98 S58 M4 Convertible

Valvetronic Designs Valved Sport Exhaust BMW X3M/X4M F97/F98 S58 M4 ConvertibleFree Shipping within Continental US You have asked, Valvetronic Designs has delivered. Welcome to the rawest and most engaging sound experience for the X3M and X4M platform. After incredible success with the G80 single mid pipe project, we have set our sites on the other S58 powered vehicles. CFD tested and CAD perfected, our new single midsection full exhaust for the X3M X4M removes all the rasp and truly makes the vehicle sound naturally aspirated.

Simple precise installation

10k/6k (Spring in Bucket High Grip)

Dial in softer damping for smooth cruising or turn it up to remind you what the CL can really do

The perfect blend of visual elegance and technological innovation this spoiler is engineered to enhance aerodynamic efficiency ensuring a smoother and more stable driving experience

Crafted from genuine 3K twill weave dry carbon fiber using advanced prepreg technology this key cover delivers unmatched strength and featherlight performance

removing the OEM gear selector switch cover is required before installation

Only two cuts needed with Factory Style Flanges and clamps (fully reversible)

2) today with the AutoTecknic carbon fiber gear selector switch cover and experience the ultimate in luxury and performance

It is important to apply these changes prior to starting the car with pumps installed to avoid any possible damage and void of warranty

GT4 Spec: 21 cm height

AutoTecknic’s dedication to innovation and craftsmanship is evident in every detail of this splitter set

Full 2 x 2 Carbon Fiber