BMW F3X & F2X B48 B58 High Performance Fuel Pump (Stage 3, 4, 4.5) - M140i, M240i, 340i, 440i, 330i, 430i Pump Selection:Stage 4.5 JB4 Map Guide: Click here

JB4 Map Guide: Click here

*For the BMW N54 E-series JB4 platform connect the white wire to position #15 on the JB4 25 pin harness

This is a complete plug & play kit to install a Bluetooth ethanol sensor in your 2021+ M440i

we back every set of our ARM F80 M3 Resonated Downpipes with a 30 Day Money-Back Guarantee and the ARM Lifetime Free-Replacement Warranty

If you are using an Android product the app can be found by clicking here

BMW F3X & F2X B48 B58 High Performance Fuel Pump (Stage 3, 4, 4.5) - M140i, M240i, 340i, 440i, 330i, 430i Pump Selection:Stage 4.5 JB4 Map Guide: Click hereThe Precision Raceworks BMW F3x & F2x B58 High Performance Fuel Pump are designed for customers looking to run all blends of E85. These drop in pumps include a Walbro fuel pump capable of flowing up to 300% more fuel than the factory fuel pump and are 100% E85 compliant. Best of all, this pump ships completely assembled and ready to installwe dont even have a core charge. Pump, fuel filter, performance fuel lines, and sending unit included; nothing