97-98 BMW 528i/540i Front Left/Right Sensor Audio Equipment The keyhole is absent

The keyhole is absent

What's the return window if this doesn't fit my truck

- 3lb lighter than the OEM Stock Panels

The mounting hardware is not included with this gasket

DOA (dead on arrival) units are replaced or refunded per the return process on your account

97-98 BMW 528i/540i Front Left/Right Sensor Audio Equipment The keyhole is absent97 98 BMW 528i 540i Front Left Right Sensor OEM replacement oxygen sensors for your BMW's fuel management and emissions system. These direct fit units restore proper air fuel ratio readings and engine performance. Built to factory specifications for reliable operation in high heat engine bay conditions. Direct from Warehouse In House Quality Check Ships from FL Warehouse Key Features Front position sensors Critical for catalytic converter efficiency