4-Piece Oxygen Sensor Set for 2006-2013 BMW 128i 328i X3 X5 11787558055
. Product Details
New four-piece oxygen-sensor set for compatible BMW inline-six gasoline engines. The matched set includes two five-wire upstream sensors and two four-wire downstream sensors covering cylinders 1-3 and 4-6.
Fitment and Compatibility
Listed for select 2006-2013 BMW 125i, 128i, 130i, 323i, 325i, 330i/xi, 328i/xi/xDrive, 528i, X3 3.0si/xDrive30i and X5 3.0si/xDrive30i applications. Exact fitment varies by engine code, chassis, exhaust configuration and production date. Match all four original sensor numbers before ordering.
Part Number Information
- Upstream cylinders 1-3: 11787558055
- Upstream cylinders 4-6: 11787558073
- Downstream cylinders 1-3: 11787545074
- Downstream cylinders 4-6: 11787545075
Package Contents
Four oxygen sensors: two upstream and two downstream.
Installation Notes
Professional diagnosis and installation are recommended. Confirm each sensor position, route wiring away from heat and moving parts, and correct fuel, ignition or catalyst faults before replacement.
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