![Spool FX-350 Upgraded High Pressure Fuel Pump [B46/B48] BMW M140i (F20/F21) developed to permanently eliminate the](https://cdn.shopify.com/s/files/1/0023/6109/8353/files/FX350-2-1014x912_3f898187-f5e8-4692-af3e-f098e344ee6d.jpg?v=1778875257)
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developed to permanently eliminate the well-documented factory paper filter failure found in B58 engines
Sold as a left and right pair
It's a single-pass design
Replacement fastening hardware is included in the kit
Spool FX-350 Upgraded High Pressure Fuel Pump [B46/B48] BMW M140i (F20/F21) developed to permanently eliminate theSpool Performance is proud to introduce our latest and greatest high pressure fuel pump capable of delivering fuel at 350 bar 35Mpa 5000psi. The pump features a stainless steel construction with high tolerance DLC coated piston and bore. The pump is engineered to deliver the same volume as our FX200 pumps but at 350 bar pressure. The output is further increased by our Spool Performance Gen2 High lift cam lobe mod . The plunger springs have been