17 21 010 Removing and installing/replacing transmission oil cooler (S63)

WARNING: This page is about a different variant/trim than selected.

IMPORTANT: Risk of scalding!
Only perform this repair work after engine has cooled down.

Necessary preliminary tasks:

Recycling

Catch and dispose of drained coolant in a suitable container.

Transmission oil emerges when fluid lines are detached from transmission oil cooler.

Catch and dispose of escaping transmission oil in a suitable container.

Observe country-specific waste disposal regulations.

IMPORTANT: Risk of damage!

Carefully feed out cooling loop (1) for hydraulic steering towards top and place to one side.

Fig 1: Identifying Cooling Loop

Courtesy of BMW OF NORTH AMERICA, INC.

Unlock transmission fluid lines (1) and detach from gearbox oil cooler.

Press in locks (2), raise transmission oil cooler towards top.

Fig 2: Identifying Transmission Fluid Lines And Locks

Courtesy of BMW OF NORTH AMERICA, INC.

Feed out transmission oil cooler (1) towards top and remove.

Fig 3: Removing Transmission Oil Cooler

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NOTE: Assemble engine.
Check oil level in transmission. Top up gearbox oil if necessary. See CHECKING/TOPPING UP OIL LEVEL IN TWIN-CLUTCH GEARBOX (GS7D36SG) or CHECKING/TOPPING-UP GEAR OIL IN MANUAL TRANSMISSION .