31 10 001 Completely removing and installing front axle with engine and transmission (N63/S63 E70/E71): Notes

WARNING: This page is about a different car, the 2013 BMW X5 M, 2012 BMW X5 M, 2011 BMW X5 M, and 2010 BMW X5 M. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

13 5 162

IMPORTANT: Removal weight approx. 250 kg to 450 kg.
Check payload of vehicle and empty if necessary
Load front footwell with sandbags if necessary, approx. 200 kg.
Note safety information of table lift!

Necessary preliminary tasks:

Position vehicle on vehicle hoist so its weight is centered.
Disconnect the BATTERY .
Move ENGINE COMPARTMENT LID into service position.
Drain COOLANT .
SUCTION OFF air conditioning.
Remove both intake silencer housings.
Remove charge air cooler expansion tank.
REMOVE coolant expansion tank.
Remove fan cowl with electric fan.
REMOVE auxiliary coolant pump for intercooler.
Remove complete PROPELLER SHAFT .
REMOVE front right wheel arch cover.
Release FEED AND RETURN LINES for engine oil cooler.
Remove brake caliper on left and right.
Detach STEERING SHAFT from steering box.

Release vacuum line (3) for brake-servo assistance at the vacuum pump.

Fig 1: Identifying Vacuum Line

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Unlock coolant hose (1) and detach from coolant pipe.

Fig 2: Identifying Coolant Hose

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Release screws and remove retaining bracket (1).

Unlock upper section (2) of partition seal in direction of arrow and remove.

Release grommets (3) for wiring harnesses from lower section of partition seal and from electronics box.

Installation note:

Make sure grommets are correctly seated so as to prevent ingress of moisture.

Fig 3: Disconnecting Upper Section Of Partition Seal

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Release engine wiring harness from electronics box and secure on engine against falling off.

Unlock and detach all connectors (1) on DME control unit.

Unlock plug on electronics box fan and disconnect.

Unlock and detach terminal strip (2).

Unlock all plugs on plug strip (3) and detach.

Unlock plug strip (3) and remove towards top.

Fig 4: Identifying DME Control Unit Connectors, Terminal Strip And Plug Strip

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Unlock and detach vacuum line (1) from vacuum pump.

Fig 5: Identifying Vacuum Pump Vacuum Line

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Release screws (1).

Detach line.

Tightening torque: 64 53 5AZ

Installation note:

Replace sealing rings and moisten with refrigerant fluid.

Fig 6: Identifying Sealing Rings And Screws

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Unlock and disconnect fuel delivery line (1), seal off with special tool 13 5 160.

Seal off fuel delivery line (2) with special tool 13 5 162 .

Fig 7: Disconnecting Fuel Delivery Line

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Release nut and remove screw (3).

Fix brake caliper (1) with a suitable auxiliary materials (2).

Installation note:

Keep wishbone to swivel bearing connection clean and free from oil and grease.

Note direction of insertion of screw.

Screw must rest correctly in groove of ball stud.

Replace self-locking nut.

Tightening torque: 31 12 6AZ .

Fig 8: Identifying Brake Caliper, Auxiliary Materials And Screw

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Release nut (1) and remove screw (2).

Installation note:

Replace screw and nut.

Note direction of insertion of screw.

Tighten down screw connection in normal position.

Tightening torque 31 12 3AZ .

Detach plug connection of speed sensor at front left and right.

Fig 9: Identifying Wheel Arm Nut And Screw

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Turn steering wheel.

Use two mounting levers on both sides to unlock the drive shaft of the front axle differential.

Fig 10: Identifying Drive Shaft Of Front Axle Differential

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Disconnect coolant hose (1) from auxiliary water pump (2).

Fig 11: Identifying Coolant Hose And Auxiliary Water Pump

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Slacken nut (1).

Release holder (2) from support plate (3).

Fig 12: Identifying Holder, Support Plate And Nut

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Disengage engine oil pipe (1) from bracket (2).

Fig 13: Identifying Engine Oil Pipe And Bracket

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Remove screws (1 to 4).

Detach pressure line of swivel motor (5).

Detach pressure line of swivel motor (6).

Pull off expandable hose for Adaptive Drive (7).

Pull off return line (8).

Installation note:

Replace all gaskets.

Fig 14: Identifying Pressure Line Of Swivel Motor, Adaptive Drive Expandable Hose, Return Line And Screws

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IMPORTANT: Coordinate determination always begins at the top.

Position engine assembly on table top A .

Position transmission on table top B .

Table top is adjustable in a longitudinal direction (see arrow).

Fig 15: Positioning Engine Assembly And Transmission On Table Top A And B

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