Secondary Air Line - E38 740i 740iL - E39 540i - E53 X5 4.4i 4.6is
Genuine BMW Part Number 11721433344 / 11-72-1-433-344
This part is listed by BMW as BMW part number 11721433344 (11-72-1-433-344) and is described as Genuine BMW Secondary Air Line from Control Valve To Exhaust Manifolds on M62 engines in E38 740i/740il, E39 540i, and E53 4.4i.
Only For Model Year 1999 And Later
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E39 (97-03) > 540i
E38 (95-01) > 740i
E38 (95-01) > 740iL
E53 X5 (00-06) > X5 4.4i M62 4.4L (99-03)
E53 X5 (00-06) > X5 4.6is M62