BMW X3 Service & Repair Manual: Installing distributor exchange transmission (atc 450)

IMPORTANT: Before and after replacement, execute the "Repair" service function with the BMW diagnosis system.

Recycling: Catch and dispose of escaping transmission oil. Observe country-specific waste disposal regulations

Necessary preliminary tasks:

• Drain transmission oil at oil drain plug
• Remove TRANSFER BOX

Modify following parts:

• Covers and protective caps
• Drive shaft transportation retainer
• Vent hose of transfer box
• If required, replace rubber mount .

IMPORTANT: After completing work, check transmission oil level and top up if necessary.

Release filler plug (1).

Check oil level.

Pour in transmission oil up to lower edge of opening for filler plug (1).

Use only the approved TRANSMISSION OIL .

Failure to comply with this requirement will result in serious damage to the transfer box!