Here is an overview of how to access all 4 oxygen sensors for our cars. There are some tips, best practices, and advice for absolute beginners. I also was able to replace the downstream O2 sensors without removing the downpipes. Good luck
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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
This specific build is the Pre-LCI 335i BMW E92. However, it should retain most information (if not all) for all models with the N54 block.
Bosch Splice Kit (Downstream) How To Video: ua-cam.com/video/PSQ5RPq13WU/v-deo.html
TOOLS I USED:
There are tools required or ways around them as well.
O2 SENSOR SOCKET - amzn.to/3UZ8G9V
3/8 SOCKET DRIVER - amzn.to/3UDJ56m
METRIC SOCKET SET IS GOOD TO HAVE (BASIC MEDIUM SIZED) 8MM-19MM - amzn.to/3AbKRDG
22MM OPEN END WRENCH (or adjustable crescent wrench) - amzn.to/3EGxnmh
3/8” or ½” BREAKER BAR (IF YOU DON’T HAVE AN IMPACT GUN) - amzn.to/3g3H7NP
JACK AND JACKSTANDS X2 (buy these locally) I used Husky stands, and the cheapest jack is Harbor Freight $100
LARGE FLATHEAD SCREWDRIVER - amzn.to/3ttjvFd
SMALLER FLATHEAD SCREWDRIVER (TINY ONE FOR PLUGS) - amzn.to/3AexSBf
16MM OPEN END WRENCH (OR POSSIBLY AN E20 WRENCH WOULD DO) - amzn.to/3UU4KHl
3/8 EXTENSIONS 6” AND MAYBE LONGER - amzn.to/3ExGTb6
3/8” SWIVEL JOINT (POSSIBLY) - amzn.to/3O8t4Tv
E TORX SOCKET SET (BASIC SIZES) E10, E12 used (An awesome cheap Etorx set that I’ve used forever) - amzn.to/3AeGjMO
PB BLASTER (OR WD40) - amzn.to/3EbFvtv
TORQUE WRENCH 3/8” - amzn.to/3hAUEN3
12MM DEEP SOCKET (POSSIBLY) - amzn.to/3hFFRAP
More BMW Videos:
How to Change the Pulleys and Replace the Belt: ua-cam.com/video/ltu7l21V8FQ/v-deo.html
How to Change the Valve Cover Gasket and PCV Valve: ua-cam.com/video/fgyVOJ_tYrk/v-deo.html
Install a 12.3” Android/Apple In-dash Multimedia System DIY: ua-cam.com/video/XZ3ABeNICPg/v-deo.html
Review and Walkthrough of AvinUSA 12.3” Multimedia System: ua-cam.com/video/tRxLouoGGTk/v-deo.html
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How to Replace Your Ashtray w/ Sunglasses Holder and New Plug: ua-cam.com/video/P_LgYnOZIaA/v-deo.html
How to Replace Your Headlight Bulbs: ua-cam.com/video/YJN9nKvnZtE/v-deo.html
How to Replace Your Headlight Bulbs Rapid 1 min Guide: ua-cam.com/users/shortsq4zlY1C7PtA?feature=share
Top 5 Safety Equipment Items for BMW Drivers: ua-cam.com/users/shortsHWLWTBWjDiI?feature=share
335i Logic 7 Sound System Upgrades Overview: ua-cam.com/users/shortsiagUhLcOrrE?feature=share
THIS VIDEO IS FOR 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
TIMESTAMPS:
0:00 Quick tips on the overall process
1:08 Basics for Beginners
1:34 Step 1 - Remove the cowl
2:05 Step 2 + 3 - Remove the engine cover and under panel
2:26 - DOWNSTREAM O2 Sensors Removal
7:25 - UPSTREAM O2 Sensors Removal
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