AEM Bosch LSU 4.9 UEGO Replacement Sensor - 30-2004 fits_1988-1993`BMW`3 Series Transform your G20/G21 3-Series into

Transform your G20/G21 3-Series into a head-turner with this striking upgrade available now at AutoTecknic USA where precision meets passion

High quality OE style band clamps are used for a com plete 360 deg

and push-on to suit builds of all varieties

2014-2015 BMW 228i Base 2 Door Coupe RWD

AEM Bosch LSU 4.9 UEGO Replacement Sensor - 30-2004 fits_1988-1993`BMW`3 Series Transform your G20/G21 3-Series intoAEM's Bosch 4. 9LSU Wideband UEGO O2 replacement sensor kit includes only the sensor (with attached cable and male connector) and is intended to replace an existing mounted wideband sensor used with AEM wideband air fuel UEGO controllers. These sensors have a laser etched, calibrated resistor in the sensor's connector body. This resistor is specifically created for the exact sensor that it is attached to. Modifying this will invalidate the sensor's