Lexus badge; BMW B48 engine

Reliability Summary

Engine 8AR-FTS — 68/100 ACCEPTABLE
Known Issues 5

Engine in this model

Known Issues Across All Engines

Issue Engine Severity Onset
Exhaust valve-guide wear — misfire, A/F imbalance, limp mode (TSB L-SB-0007-21) 8AR-FTS high —
Turbo overboost and bypass-valve faults on 2015–2016 builds 8AR-FTS moderate —
Water pump coolant leak (belt-driven pump) 8AR-FTS moderate 30,000 km – 160,000 km
Fuel flow-control valve and rail-pressure fault codes (2015–2017) 8AR-FTS minor —
Vacuum regulating valve surge and buzz (2015–2017 builds) 8AR-FTS minor —