Use these plug and play adapters to quickly adapt a 3.5 BAR TMAP sensor to your N54/N55 BMW, raising the boost maximum boost range from 20psi factory up to 36psi for the 3.5bar. For most applications the 3.5 BAR adapter is suggested which requires OEM BMW sensor part number: 13627843531.
Please note: do your research if your car needs the adapter. Most N54 (if not all) need it. Our N55 e92 did not..