Save some money and replace these downstream catalytic converter O2 lambda sensors. I used a universal Bosch replacement that can help you save some money however its MUCH quicker if just buy the one with the correct plug. If you do buy the version with the plug attached, BANK 1 & BANK 2 SENSORS ARE DIFFERENT PART NUMBERS because of the length of the wire and the connector is different too. Watch out for super cheap chinese parts, they may fail quickly and you'll have to do the work all over again.

🧰Tools:
Oxygen Sensor Socket - https://amzn.to/4tw44JJ
22mm Wrench - https://amzn.to/4bCEexm
Wire strippers - https://amzn.to/4lUkrwL
Other BMW Tools - https://amzn.to/3Q2vb09

🔧Parts:
BOSCH UNIVERSAL LAMBDA SENSOR - https://amzn.to/4mdmZqh

Or buy the set - https://amzn.to/4uUoQE4
Lambda Bank 1 (Cyl 1-3) - length 560mm - 11787545074
Lambda Bank 2 (Cyl 4-6) - length 490mm - 11787545075

Or use the part numbers to search for a better deal elsewhere.

📱iCarly Diagnostic Scanner: https://fas.st/t/f2pzt97d

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Check out my other tutorial videos below.

▶️https://youtube.com/playlist?list=PLnK5EYUbJdcxzosWt81oJ6xcdcehqxjCT

▶️https://youtube.com/playlist?list=PLnK5EYUbJdcym1uw7nKhSxzbRgM83Yppw

▶️https://www.youtube.com/playlist?list=PLnK5EYUbJdcxDa1itbtL8IwtuJQ_FvBA5

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Hochgeladen am 30.03.2026   Problem melden   Dieses Video bei YouTube   Build & Drive bei Youtube