BMW Z4 E85 E86 E89 2006-2015 Fuel Pump Assembly 16117168284 Direct Replacement

2011 Toyota Sienna rear oxygen sensor OEM 89465-08140 replacement, direct OEM replacement installed behind catalytic converter. Monitors exhaust oxygen, sends data to ECU to ensure precise air-fuel ratio and engine efficiency. Installation difficulty medium; time about 0.5-1 hour; protect threads during removal. If engine check lamp on, idle unstable, higher fuel consumption or weak acceleration, sensor aging; replace to restore power and pass emissions at inspection.