32 41 437 Removing and installing/replacing Dynamic Drive return from separation point to cooling loop (RWD vehicles)
WARNING: This page does not describe the selected car, but rather 21 other vehicles, including the 2017 BMW 550i GT xDrive, 2017 BMW 535i GT xDrive, 2017 BMW 535i GT, 2016 BMW 550i GT xDrive, and 2016 BMW 535i GT xDrive. However, it is still accessible from the selected car via links, so may be relevant.
Special tools required:
WARNING:
DANGER OF POISONING
if oil is ingested/absorbed through the skin!
DANGER OF INJURY if oil comes into contact with eyes and skin!
DANGER OF INJURY if oil comes into contact with eyes and skin!
IMPORTANT:
Adhere to the utmost cleanliness. Do not allow any dirt to enter the hydraulic system.
Do not draw off hydraulic fluid (risk of contamination).
Close off line connections with seal plug. 32 1 270
Do not draw off hydraulic fluid (risk of contamination).
Close off line connections with seal plug. 32 1 270
Recycling
Catch and dispose of hydraulic fluid in a suitable collecting vessel.
Necessary preliminary work
- Remove underbody protection at front and rear. See FRONT UNDERBODY PROTECTION and REAR UNDERBODY PROTECTION .
- Remove stiffening plate (F01, F02 N74)
- Disconnect BATTERY EARTH LEAD
- Removing intake port (N57)
- Remove pressure pipe (N57).
- Intake silencer housing (only N57 until 09/2011)
- Remove fan cowl with electric fan. See procedure for N55 ENGINE , N63 ENGINE , or N63O1 ENGINE .
- Mark electrical steering gear to front axle support and release, unlock wiring harness, pull off and pull steering gear forwards. See ELECTRIC STEERING BOX or ELECTRICAL STEERING BOX (WITH ACTIVE STEERING) .
IMPORTANT:
Pressure lines must be closed off with suitable seal plugs 32 1 270
immediately after removal!
Release screw (1) in area of lower wishbone.
Tightening torque 32 41 15AZ .
Release line clips (1) and (2) from front axle support.
Tightening torque 37 13 7AZ
Unlock return line on cooling loop and disconnect.
Remove return line.
IMPORTANT:
When assembling, make sure that in succession only the seal plugs of the line to be fitted are removed.
When fitting lines, do not tilt connectors (sealing rings!) and connect fully before screwing.
Do not replace sealing rings on hydraulic lines.
Replace affected line if sealing ring is damaged.
When fitting lines, do not tilt connectors (sealing rings!) and connect fully before screwing.
Do not replace sealing rings on hydraulic lines.
Replace affected line if sealing ring is damaged.
After installation
- Carry out initial Dynamic Drive operation
- Check pipe connections for leaks