Replacing the wiring harness section for the Valvetronic servomotor (B36, B38, B46, B48) (Cooper)
Preliminary work needed:
- Disconnect BATTERY NEGATIVE LEAD .
- Remove upper FIREWALL COVER .
- Remove ACOUSTIC COVER .
- Remove INTAKE SILENCER HOUSING .
Removal:
Overview of Valvetronic servomotor wiring harness section
| Unlock and disconnect following connectors and lines | Note |
| Unlock and disconnect connector from DME control unit | |
| Unlock and disconnect connector from servomotor |
Release expansion rivet (1).
Slacken nut (2).
Feed out cover (3) and remove.
Loosen the screws along the arrows.
Take out and remove tension strut (1).
Unscrew nuts (1).
Take out positive battery cables (2) and put them aside.
Slacken nut (1).
Release seal (2).
Feed out positive battery cable (3) and lay to one side.
Pull out the cable duct (1) and put it aside.
Pull out the cable duct (1) and put it aside.
Feed out partition wall (1) and remove.
Unlock the locks along the arrow.
Take out and remove the cover (1) from the guides (2).
Unlock and loosen the cable shaft (1) along the arrows.
Feed out cable duct (1) and remove.
Unlock connector (1) on control unit and disconnect.
Release wiring harness-section in Valvetronic servomotor of clips and clamps.
Take out and remove wiring harness-section in Valvetronic servomotor.
Installation:
Lay and install wiring harness-section in Valvetronic servomotor.
Connect and lock all plug connectors as per table.
All connectors must audibly engage.
Overview of Valvetronic servomotor wiring harness section
| Unlock and disconnect following connectors and lines | Note |
| Connect and lock the connector of DME control unit | |
| Connect and lock the connector of servomotor.. |
Connect and lock connector (1) on the control unit.
Insert and install cover (1) in the guides (2).
Lock the locks along the arrows.
Locks must engage audibly.
Thread in cable duct (1) and install.
Lock the cable shaft (1) along the arrows.
Locks must engage audibly.
Feed in partition wall (1) and install.
Thread in cable duct (1) and install.
Thread in cable duct (1) and install.
Feed in and install positive battery cable (3).
Feed in and install seal (2).
Installation note:
Make sure seal (2) is correctly seated.
Tighten nut (1).
Tightening torque 61 21 1AZ .
Insert and install positive battery cables (2).
Tighten nut (1).
Tightening torque 61 21 3AZ .
Insert and install tension strut (1).
Tighten screws along arrows.
Tightening torque 61 21 5AZ .
Feed in and install the cover (3).
Attach expanding rivet (1).
Tighten nut (2).
Required follow-up work:
- Install ACOUSTIC COVER .
- Install INTAKE SILENCER HOUSING .
- Install upper FIREWALL COVER .
- Connect BATTERY GROUND LEAD .