AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge Schrader 2 x Custom Silicon Hoses

2 x Custom Silicon Hoses with OEM Specification Clamps

Removes any downpipe restrictions for full available power

INVIDIA CATTED DOWN PIPE

Reduces oil consumption and crankcase pressure

BMW - 3 Series - E90 - 2004 - 2013 - RWD - FL

AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge Schrader 2 x Custom Silicon HosesAccurate AFR data is critical when tuning an engine. Running rich (very low air fuel ratio, excessive fuel) can cause a loss in power, while running too lean (very high air fuel ratio, not enough fuel) may result in serious engine damage. Using a wideband air fuel controller during the tuning process allows you to monitor AFR and adjust tuning parameters to optimize them for maximum power and efficiency. AEM has a comprehensive line of highly