64 12 579

M57 only: 

RELEASE FUEL COOLER AND PLACE TO ONE SIDE .

All: 

Disconnect plugs (1) and (2).

M57 only: 

Release screw (3) and remove retaining fixture with centering for fuel cooler.

Fig 1: Identifying Plug Connections And Screws

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Installation 

Make sure retaining fixture with centering for fuel cooler is correctly seated.

M54, M62 only: 

Release screw (3).

All: 

Detach hose clamp (2) from intake hose (3).

Detach intake hose (3) from heater (4) and place to one side.

Loosen screws (1).

Fig 2: Locating Intake Hose, Hose Clamp, Heater, And Screws

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Raise heater (1) and detach exhaust pipe (4) from flange (2).

Installation 

Ensure gasket (3) is correctly seated.

Fig 3: Locating Heater, Flange, Exhaust Pipe, And Gasket

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Remove front left wheel.

Remove wheel arch cover at front left.

Fold back plug connection holder (1) in direction of arrow.

Unclip plug connections (2) and (3) and disconnect.

Fig 4: Identifying Plug Connections And Holder

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Pull out pins (2) with aid of appropriate metal screw.

Unclip plug connection holder (1) in direction of arrow.

Fig 5: Identifying Plug Connection Holder And Pins

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Loosen screws (2).

Detach cover (1) at front in direction of arrow a little and push upwards.

Fig 6: Identifying Cover And Screws

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Loosen screws (1).

Pull out exhaust pipe (2) downwards.

Fig 7: Locating Exhaust Pipe And Screws

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Installation 

Make sure rubber seal (1) and heat insulation (2) are correctly seated.

Fig 8: Locating Heat Insulation And Rubber Seal

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