Audi Workshop Service and Repair Manuals > A4 Mk3 > Power transmission |<br><br>Rear final drive 0BF and 0BE - sport differential |<br><br>Final drive, differential, differential lock |<br><br>Gear oil and ATF in rear
VAS6291A, Charging Device for AWD Clutch Coupling 2 - VW Authorized Tools and Equipment
VW Audi Porsche OEM VAS6291A AWD Clutch Coupling Oil Filler Adapter Germany Made | eBay