Description:

[Vehicle Fitment]: Compatible with BMW M3 2001-2006 L6 3.2L, Z3 2001-2002 L6 3.2L---Upstream Cyl 1-3 & 4-6. [Reference Number]: 11781405324, 0005407517, 0015400817, 250-24143, 25024143, 250-24445, 25024445, 350-34178, 35034178. [Specification]: Wire Quantity: 4; Sensor Type: Heated; Mounting Type: Threaded; Connector Gender: Male; Package Quantity: 2x Oxygen Sensor; Packaging Type: Box. [Quality Construction]: Manufactured from premium materials for a long lifespan; Quick and easy installation, requiring no special tools.