PROTUNER BMW N54 N55 STAGE 3 TWIN LPFP CONVERSION 335I 135I 1M ecu It is more responsive and

It is more responsive and has higher bandwidth than its G4+ Atom II predecessor

consistency

We have spent several years developing and testing our package and have the custom built hardware to meet the requirements for the job at hand

PowerTune digital dashes are compatible with any vehicle using the following ECU:

• 1A Average current

PROTUNER BMW N54 N55 STAGE 3 TWIN LPFP CONVERSION 335I 135I 1M ecu It is more responsive andThis is the Protuner Stage 3 Twin low pressure fuel pump (LPFP) upgrade that replaces your standard Low pressure fuel pump in the fuel tank. The pot is fitted with Two new Walbro 450 fuel pumps which provide approximately 250% more flow than standard. This pump upgrade is suitable for a port injection system. This pump upgrade is suitable for upgraded high pressure fuel pump. This fuel pump upgrade is e85 compatible and will support well over 800 BHP.