Dinan Valved Axle Back Exhaust for 2016 2023 BMW X1 X2 xDrive28i D660 0089 BLK block parts Belt Material: EPDM Number of J8132372 CRN Belt Material: EPDM Number of Ribs: 6 Outside Circumference (in) (Belt): 74 This in tank fuel pump module is a high pressure unit that flows 255 liters per hour (LPH) and is capable of supporting electronic fuel injection (EFI) engines producing up to 550 horsepower Fuel pressure is internally regulated to 58 psi eliminating the added expense and effort of purchasing and installing an external fuel pressure regulator no separate return line is required because this module returns excess fuel right inside the tank 100% 304 Stainless Steel Construction but without the huge sacrifice to fuel economy courtesy of the fuel efficient B48 4 cylinder engine