BMW 7 Series: Drive, Seat Adjustment
REMOVING AND INSTALLING/REPLACING LUMBAR SUPPORT DRIVE MECHANISM ON FRONT SEAT, LEFT OR RIGHT
Necessary preliminary tasks
- Remove rear panel on front seat backrest.
Unfasten plug connection (1) and disconnect.
Release clips (2).
Feed out drive unit for lumbar support in upward direction.
Installation: Replace faulty clips (2).
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Fig. 68: Removing Lumbar Support Drive Unit In Upward Direction
Release cable tie (1) from jacket (2).
Feed out drive unit for lumbar support out of jacket (2).
Detach hose (3).
NOTE: Gently heat hose (3) if stuck.
Installation: Make sure hose (3) is laid without kinks.
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Fig. 69: Identifying Lumbar Support Drive Unit Cable Tie, Jacket And Heat
Hoses
Electrical Drives - Tightening Torques
DRIVE, SEAT ADJUSTMENT
TIGHTENING TORQUE SPECIFICATION - DRIVE, SEAT ADJUSTMENT
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MOTORS, POWER WINDOW REGULATOR
TIGHTENING TORQUE SPECIFICATION - MOTORS, POWER WINDOW REGULATOR
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Danger Of Poisoning If Oil Is Ingested/Absorbed Through The Skin
Danger of poisoning!
Ingesting oil or absorbing through the skin may cause poisoning!
Possible symptoms are:
Headaches
Dizziness
Stomach aches
Vomiting
Diarrhoea
Cramps/fits
Unconsciousness
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Electrical System
Electrical System - Operating Fluids
1.0 BATTERY
Only distilled water (available locally) is to be used when topping up the
electrolyte level.
If a new battery (delivered dry) is to be placed into service, use only battery
electrolyte ("sulfuric acid"),
available locally.
2.0 SEALANT/SUPER GLUE/C
Venting And Filling Cooling System With Vacuum Filling Unit
Notes
IMPORTANT: Lifetime coolant filling:
Never reuse used coolant!
When replacing and removing components which rely on the corrosion
protection effect of the coolant, it is essential to change the coolant. The
cooling system must therefore be drained and refilled.
In the case of other removal wo
