宝马E90 燃油泵总成 16117232444 16147197076 原厂品质油泵

BMW E90 fuel pump assembly (OEM numbers 16117232444, 16147197076, corresponding to DEFL319) installed inside the fuel tank, pressurizes and delivers fuel to the engine injectors to maintain stable air-fuel ratio, a core fuel supply component for start and operation. Fits E90 series automatic models such as 320i, 325i, etc. Installation difficulty: medium; technician time 1.5-2 hours. Pay attention to fuel tank sealing and electrical connector cleanliness. If starting is difficult, acceleration weak, rough running, or fuel gauge is inaccurate, prioritize inspecting this fuel pump assembly.