4-Piece Oxygen Sensor Set for 2006-2015 BMW 128i 325i 328i 335i
. Product Details
New four-piece oxygen-sensor set with two upstream and two downstream sensors for compatible BMW inline-six gasoline applications. The complete set monitors air/fuel control and catalytic-converter performance for both exhaust banks.
Fitment and Compatibility
Source fitment includes select 2006-2015 BMW 1 Series M, 128i, 135i, 323i, 325i/xi, 328i/xi/xDrive, 330i/xi, 335i/is/xi/xDrive, 528i/xi/xDrive, X3, X5 and Z4 3.0L gasoline models. BMW used different engines, exhaust systems, connectors and lead lengths across this range. Confirm VIN, engine code and all four original sensor numbers before ordering.
Part Number Information
No separate verified OE or manufacturer part numbers are provided for this four-sensor set. Physical connector and lead-length comparison is required.
Package Contents
- Two upstream oxygen sensors
- Two downstream oxygen sensors
Installation Notes
Professional diagnosis and installation are recommended. Correct the underlying fuel, ignition or catalyst fault before replacement. Route wiring away from heat and moving parts, tighten to the applicable service specification and clear adaptations only as directed by BMW procedures.
Customer Support
We’re here to help with product questions, orders, repairs and technical support.
Fast Free Shipping
Fast, free shipping on qualifying domestic orders. Order tracking included.
Secure Payment
Your payment information is encrypted and processed securely.
