1990-1992 for BMW E34 520i M50B20 engine. 1992-1995 for BMW E34 520i M50TU B20 engine. 1996-1999 for BMW E39 520i M52B20 engine. 1998-2000 for BMW E39 520i M52TUB20 engine. Rear Air Spring BAG 37126765603 Left or Right For BMW 5S E61 60 520i 525i 535d.
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