COMPONENT LOCATION VIEWS B6231 OIL PRESSURE SWITCH R6252 THROTTLE POSITION SENSOR B6232 ENGINE COOLANT TEMPERATURE SENSOR X6256 X6231 T6151 CYL. 1 IGNITION COIL T6152 CYL. 2 IGNITION COILT6153 CYL. 3 IGNITION COIL T6154 CYL. 4 IGNITION COIL 318i318i 318i