The Best Way to Splice A Universal O2 Sensor | Bosch OE SmartLink Kit Tutorial

This is a quick 'how to' DIY on replacing your oxygen sensors. If you don't want to pay full price for your OEM O2 sensor replacements, you can use a Bosch Universal Splice Kit for many cases. Follow along with simple steps to see how to connect the old and new O2 sensors. I'm using a BMW N54 335i (downstream O2 sensors) as an example, but each vehicle will have its own removal process that you need to source.
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PARTS I ORDERED:
(Rear O2 sensors) Bosch Universal Splice O2 kit (downstream x2): amzn.to/3VJk8tO
(Front O2 sensors) Bosch Wideband Bank 2 (cylinders 4-6) (upstream) : amzn.to/3vHefCI
(Front O2 sensors) Bosch Wideband Bank 1 (cylinders 1-3) (upstream): amzn.to/3PMKnLV
TOOLS YOU MAY NEED:
Wire Strippers/Cutters: amzn.to/3H2lLKE
Needle Nose Pliers: amzn.to/3NPYWxp
O2 Sensor Socket - amzn.to/3UZ8G9V
22mm Open End Wrench (or adjustable crescent wrench) - amzn.to/3EGxnmh
Small Flathead Screwdriver (For Plugs) - amzn.to/3AexSBf
PB Blaster (Or WD40) - amzn.to/3EbFvtv
Torque Wrench 3/8” - amzn.to/3hAUEN3
Metric Socket Set (It's good to have a basic medium sized set) 8mm-19mm - amzn.to/3AbKRDG
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TIMESTAMPS:
0:00 Step 1: Remove the O2 Sensors From Your Vehicle
0:35 Step 2 Match the Length | Step 3: Cut
0:54 Step 4: Reuse Any Proprietary Parts
1:30 Step 5: Place the Housing | Step 6: Place the Cap
2:21 Step 7: Place All the Rubber Seals
2:49 Step 8: Strip the Wires
3:30 Step 9: Connect the SmartLink Adapters
5:06 Step 10: Connect the Housing
5:50 Extra Tips
Some of the links may give me a tiny commission at no cost to you. I appreciate the support 😄
THIS VIDEO USES THE N54 ENGINE WHICH COVERS THESE VEHICLES:
2006-2010 BMW E90/E91/E92/E93 335i 2007-2010 BMW E60/E61 535i 2007-2010 BMW E82/E88 135i 2007-2010 Alpina B3 2008-2010 BMW E71 X6 xDrive35i 2008-2012 BMW F01 740i 2009-2016 BMW E89 Z4 sDrive35i 2010-2013 BMW E92/E93 335is 2010-2013 Alpina B3 S 2011-2012 BMW E82 1-series M-Coupe 2011-2016 BMW E89 Z4 sDrive35is 2012-2013 Alpina B3 GT3

[@AL_Asif_Vlogs--10M]

The video was great and provided a lot of valuable information."

[@fixitcolton]

Thank you! I'm glad it helped 🙃

[@ivancamacho7668]

If colors come the same in the old sensor and the new one its easy. I had different colors to match and I am very unsure I matched them correctly. Mines are not working properly.

[@fixitcolton]

Yea, it's not always identical. There are different types of O2 sensors as well. This won't work for everything. You can try to source your OEM wiring schematic for your O2 sensor and then match up the wire types on the universal one.