Hi SweedSpeed, The diagram is much different then hooking an MBC in line with the BCS, but still, it will work fine regulating the low end boost, but I think, unless the n75 valve cuts out at a certain rpm you might never be able to achieve the top boost you're looking for, this is, if the n75 valve...

Hi SweedSpeed,

Good luck with that.

Cheers,

Daniel

Hi, Not sure I understand your issue. Way shouldn't the car hold has much boost with low gears has it does with higher ones? Valves and cam shaft rotate at the speed in every gear. The TCV (is it some king of boost control solenoid?) if it works like BCS, is regulated by the ECU/ECM and regulates bo...

Installed mine this morning, in my S40 T4, and have set it to 1.2BAR, about 17.40456 PSI. I have read quit a bite about this and without ECM/ECU remapping its as high has I should go. According to my math the engine gained about 31bhp. I made mine. It costed me 10,80€. Very cheap way to gain horsepo...