2012 Mini Cooper Base, 2D Hatchback, Automatic TransFACTORY OEM SERVICE PROCEDURE

Fuel Pump: Installation

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Ensure height sensor is pressed onto inside face of fuel baffle. Rotate screen and float into fuel tank. Ensure marker rib on fuel pump unit aligns with mark on fuel tank. Install new sealing ring. Tighten screw cap. To complete installation, reverse removal procedure.

Fig 1: Removing Screw Cap & Sealing Ring
G98J11295Courtesy of BMW OF NORTH AMERICA, INC.


  1. To prevent torsional stress, align spiral hose and cable between fuel level sensor and fuel pump. See Figure. Install unit in fuel tank, ensuring both retaining hooks are aligned.
  2. Ensure "O" ring is correctly aligned on intake neck. Tighten screw cap until notch can be heard and felt to engage in toothed section on tank. To complete installation, reverse removal procedure.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.