BMW E9x M3 Carbon Fiber Fender Vents Add BMW Betalink Body Adhesive +$75:No They are subjected to rigorous

They are subjected to rigorous quality control and VSR reports and come with a limited 1-year warranty

Gains are up to 80whp/100tq on pump gas and up to 120whp/140wtq on higher octane or E85 mixtures without the risks of flashing

SKU: M3: A14A30-1301M4: A14A40-1301 Compatible with: 2021-2023 BMW M4 Standard2021-2023 BMW M4 Competition2023 BMW M4 CSL2021-2023 BMW M3 Standard2021-2023 BMW M3 Competition Kit includes: Rear Diffuser Material: Prepreg ("Dry") Carbon Fiber (high gloss carbon) Dimensions: M3: 721 mm x 1

the user HAVE TO adjust the setting mentioned in ASSEMBLY INSTRUCTIONS

BMW E9x M3 Carbon Fiber Fender Vents Add BMW Betalink Body Adhesive +$75:No They are subjected to rigorousThe most efficient vehicles have less drag in the wheel wells. While these are extremely pleasing to look at, they're very efficient and effective. Each order will come with a pair in real carbon fiber. They are currently for E9X M3 only. Other chassis will be made available soon. These are designed as E9X M3 vents. People have put them on their 3 series. Please do at your own risk. We recommend a good body shop. SOLD AS PAIR Each order is made to