BMS Mercedes-Benz C, E, G, S-Class Blow-Off Valve (BOV) Adapter

These easy to install adapters allow your factory electronically controlled diverter valves to create that “blow off” valve sound all turbo owners love. They attach between the engine and the OEM electronic diverter valves. CNC machined out of lightweight billet aluminum and anodized black to  last the life of your vehicle. All required hardware included. Made in the USA.

Vehicle Fitment

C-Class
• Mercedes-Benz C400 C450 C43 AMG

E-Class
• Mercedes-Benz E400 E450 E43 AMG

G-Class
• Mercedes-Benz GLS450 GLC43

S-Class
• Mercedes-Benz SLC43 

Blow-Off Valve (BOV) adapter video