Pair Air Spring Bags Rear + Air Compressor Pump + Relay Fits BMW 5er E61 04-10. 37 20 6 792 855. 37 10 6 793 778. 37 12 6 765 602. 37 12 6 765 603. The Part fits the following. 5-Series (E61) Estate Models Include: 520d , 520i ,…