BOOTMOD3 N55 - BMW F Chassis M135I 235I M235I 335I 435I 335I 535I ActiveHybrid 640I X3 X4M40I X4 X5 X6 M2 Tune F10 All pump options below include

All pump options below include Genuine Walbro 450 (F90000274) or Walbro 535 (F90000295) fuel pump(s) capable of flowing up to 350% more fuel than the factory fuel pump and all options are 100% E85 compliant

0-48psi MAP pressure range

Does not include an ethanol sensor

This pump can support up to 575whp (Rated for 500whp on 100% E85) and is drop in ready just like the OEM fuel pump

BOOTMOD3 N55 - BMW F Chassis M135I 235I M235I 335I 435I 335I 535I ActiveHybrid 640I X3 X4M40I X4 X5 X6 M2 Tune F10 All pump options below includeNOTE 1: If you vehicle has had any software updates recently, it is possible that BMW could have locked your DME, which would require bench unlocking to install a BootMod3 tune. NOTE 2: If your DME has a production date after 6 2020, then you will not be able to have your DME unlocked for tuning. The only way to view your DME's production date is to find the label printed on your DME, not by checking the production date of your vehicle chassis.