12 51 240 Replacing the engine sensor system module 2 wiring harness section (B36, B38)

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2019 MINI Cooper, 2018 MINI Cooper, 2017 MINI Cooper, 2016 MINI Cooper, and 2015 MINI Cooper. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC DISCHARGE (ESD PROTECTION) .

Necessary preliminary tasks:

Removal:

Release expanding rivet and remove mounting for gasket (1).

Fig 1: Locating Expanding Rivet With Gasket

Courtesy of BMW OF NORTH AMERICA, INC.

Release screw and remove tension strut (1).

Fig 2: Locating Tension Strut Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Unclip and remove cover (1).

Fig 3: Battery Cover

Courtesy of BMW OF NORTH AMERICA, INC.

Unlock and disconnect all connectors (1) on control unit.

Fig 4: Control Unit Connectors

Courtesy of BMW OF NORTH AMERICA, INC.

Remove partition wall (1).

Fig 5: Partition Wall

Courtesy of BMW OF NORTH AMERICA, INC.

Fig 6: Overview Of Engine Sensor System Module 2 Wiring Harness Section

Courtesy of BMW OF NORTH AMERICA, INC.

Unlock and disconnect following connectors and lines	Note
Unlock and disconnect connector from DME control unit
Release connector from intake camshaft sensor and pull off
Release connector from hot film air mass meter and pull off
Release connector from high pressure sensor and pull off
Release connector from exhaust camshaft sensor and pull off
Unlock connector on high pressure pump and disconnect
Unlock connector of monitoring sensor and pull off
Release connector from control sensor and pull off
Unlock connector on exhaust turbocharger and disconnect
Unlock connector on heating element and disconnect

Release wiring harness from clips and retainers.

Feed out wiring harness and remove.

Installation:

Route and install wiring harness.

Plug in all connectors as specified in table.

All connectors must audibly engage.

Install partition wall (1).

Fig 7: Partition Wall

Courtesy of BMW OF NORTH AMERICA, INC.

Join tension strut (1) and tighten with screws.

Tightening torque 61 21 5AZ .

Fig 8: Locating Tension Strut Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Fig 9: Control Unit Connectors

Courtesy of BMW OF NORTH AMERICA, INC.

Connect all connectors (1) to control unit.

All connectors (1) must engage audibly.

Installation note:

Connect connectors from front to rear.

Install cover (1).

Fig 10: Battery Cover

Courtesy of BMW OF NORTH AMERICA, INC.

Join mounting for gasket (1) and secure with expanding rivet.

Fig 11: Locating Expanding Rivet With Gasket

Courtesy of BMW OF NORTH AMERICA, INC.