Secondary Air System
Vacuum Solenoid / Change-Over Valve for Air Injection System

E46 320/323/328
E46 325/330  -03/03
E36 323/328/M3
E39 525/528/530
E38 750iL, E53 X5 3.0i
Z3 2.5/2.8/3.0/3.2 S52

ALSO 
Vacuum Solenoid for Exhaust Flap

E82/E88 128i,135i
E46 325xi,330i/xi
E90 335d
F30/F31 328d/dX
E60 535i/xi,545i,550i
E61 530xi,535xi
F07 GT 550i/iX
F10 528i/iX N20,535d/dX,550i/iX,M5,Hybrid 5
F06/F12/F13 650i/iX,M6,Alpina B6
E65/E66 750/760/B7
F01 750i/iX, F02 740/750/760/Hybrid 7
E84 X1 28i/iX,35iX
E83 X3 3.0i M54,3.0si
F25 X3 28dX,28i/iX N20,35iX
F26 X4 28iX,35iX,M40iX
E53 X5 3.0i
E70 X5 3.5d,35dX,35iX,M
E71 X6 35iX,50iX,M,
F15 X5 35dX,40eX
E89 Z4 28i,35i/is