Just in case you need another one, here is the list: Replacement oxygen sensors for bmw 11781735710:
Airtex 5S3108
BMW 11781735710
Bosch 13108
Denso DOX-1369
NTK (NGK) 25042
Walker 250-24021
oxygensensor-crossreference http://www.oxygensensor-crossreferen...mw/11781735710