Oxygen Sensor Rear Upstream - BMW E46 M3 / Z3 M S54The Bosch oxygen sensor utilizes a mix of zirconium and yttrium oxides and other elements to form a tough base that withstands the intense stress to which oxygen sensors are subjected. Each element is incredibly strong for best in class performance and maximum service life. Features and Benefits: OE Equivalent. Direct fit for easy installation. OE Style connectors and wire lengths. Base ceramic probe of Zirconium and Yttrium. Patented Platinum Power

034Motorsport includes new Grade 12

23 kg/mm 22 N/mmBlock Height: 4

Powder clear coat on all gloss finishes (6 times thicker than industry standard)

The resonated catback exhaust features a center resonator and rear muffler producing a more refined and quieter exhaust tone while the non-resonated systems incorporate only a rear muffler and provide a louder more aggressive tone compared to the resonated systems

-Bolt Pattern: 5x114

to the brushed face

Features a 3-foot radius curve that screams quality

The STM fabricators craft each of these pieces individually

Recommended for use with DTC-70 when split friction between front and rear axle is desired

By maintaining precise control of the trailing arm

This is for a set of 12 Supertech performance +1MM oversized intake valves

1997 - 1999