The OE BMW CSL software uses a MAP sensor to help determine engine load. Since the OE rail is no longer available and is extremely expensive on the secondhand market, we have designed a completely new CSL MAP sensor kit that has many unique features not seen on other S54 kits. CNC'd in USA Tumbled and clear anodized for long lasting finish protection NEW Bosch MAP sensor is included - THE SAME SCALING IS USED AS THE CSL FIRMWARE Viton o-rings Stainless steel hardware TEFZEL motorsport wiring in OE colors! Factory pre-terminated wiring so it is plug and play into the ECU Completely reversible, no hardware modification needed to your existing rail Installs in under 45 minutes Requires full BDM of CSL firmware onto MSS54HP DME.--The OE BMW CSL software uses a MAP sensor to help determine engine load. Since the OE rail is no longer available and is extremely expensive on the secondhand market, we have designed a completely new CSL MAP sensor kit that has many unique features not seen on other S54 kits. Since this BMW E46 M3 S54 CSL MAP sensor kit utilizes one of the air injection ports, no modifications need to be done to the air rail and the whole thing can be completely reversible at any time. series-3-series,series-3-series-chassis-e46,series-3-series-chassis-e46-model-m3
