F-Series (F3x/F2x) B58 High Performance Fuel Pump Flex Sensor Connection:No We tested our N54-powered 135i

We tested our N54-powered 135i with the following performance upgrades:  -ARM 3" Catless Downpipes-ARM N54 Charge Pipe w/TiAL bov

• Stainless Steel

there is a CNC machined flange for perfect fitment with new bolts to replace the course threaded factory screws

the ARM MK7 FMIC is only 28% larger than the OEM unit

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F-Series (F3x/F2x) B58 High Performance Fuel Pump Flex Sensor Connection:No We tested our N54-powered 135iDescription The Precision Raceworks F SERIES (F3x F2x) B58 HIGH PERFORMANCE FUEL PUMPS 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 install we dont even have a core charge. Pump, Fuel filter, performance fuel lines, and sending unit