Use these plug and play adapters to quickly adapt a 4bar TMAP sensor to your N54/N55/S55 BMW, raising the boost maximum boost range from 20psi factory up to 43psi. For most applications, For very high boost applications, the 4 BAR adapter can be used which requires Bosch 4 BAR sensor part 281002576.
Electrical, Engine, Sensor
Burger Motorsports 4 BAR TMAP Sensors & PNP Adapters – BMW / N55 / N54 / S55
$14.00 – $32.25