11 61 095 Removing and installing/replacing DISA adjustment unit
WARNING: This page is about a different car, the 2005 BMW 645Ci and 2004 BMW 645Ci. However, it is still accessible from the selected car via links, so may be relevant.
WORK STEP
| Work step | Note: |
| Switch off ignition. | |
| Remove design cover. | |
| Remove engine cover. | |
| Remove cover for ignition coils on left and right. | |
| Remove bulkhead, equipment compartment, center. | |
| Unlock plug on throttle and disconnect. | |
| Unlock plug on knock sensor on left and right and disconnect. | |
| Unlock plug on oil pressure switch and disconnect. | |
| Unlock plug on thermostat and disconnect. | |
| Unlock plug on water temperature sensor and disconnect. | |
| Unlock plug on exhaust solenoid valve on left and right and disconnect. | |
| Unlock plug on inlet solenoid valve on left and right and disconnect. | |
| Unlock plug on tank venting valve and disconnect. | |
| Unlock plug on alternator and disconnect. | |
| Unlock plug on injection pipe on left and right and disconnect. | |
| Unlock plug on Valvetronic servomotor on left and right and disconnect. | |
| Unlock plug on exhaust camshaft sensor on left and right and disconnect. | |
| Unlock plug on inlet camshaft sensor on left and right and disconnect. | |
| Unlock plug on eccentric shaft sensor on left and right and disconnect. | |
| Unlock plug on differential pressure sensor and disconnect. | |
| Remove engine wiring harness from guides. | |
| Release engine wiring harness screw connection to intake air manifold on left and right. | |
| The tasks listed above are described in the section "Wiring harness section for engine". |
Installation location:
Reverse side, intake air manifold.
Unlock plug (1) and disconnect from DISA adjustment unit (2) (DISA = differentiated air intake system).
Unfasten screws.
Installation:
Replace screws.
Withdraw DISA adjustment unit (2) from intake air manifold.
Installation:
Rotate drive shaft on adjustment unit (2) into correct position.