BMW 7 Series: Emission Control, Oxygen Sensor

 Zero Position Sensor

The zero position of the swivel module with respect to the zero position sensor is detected by a 1/0 edge when swivelling from the direction of the off position in the direction of the optical axis. The swivel module is repeatedly calibrated during operation based on this "soft" reference point.

 Removing And Installing Complete Rear Axle Support

Notes IMPORTANT: Before removing rear axle support: In order to avoid damage to vehicle hoist, perform weight compensation on vehicle. Load luggage compartment with sand bags. Necessary preliminary work Remove REAR WHEELS Remove EXHAUST SYSTEM Remove PROPELLER SHAFT from rear axle Expose CABLE