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#1
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Oxygen Sensors -- change or wait for code
Is this something I should change proactively or just wait for a check engine light? I imagine I'll improve my gas mileage a slight amount but it'll take a lot of miles at that slightly better gas mileage to pay for four O2 sensors! FWIW, I'll DIY it so I'm looking at my time (worthless apparently) plus just shy of $500 for the sensors. What's the collective wisdom out there?
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Kirk Las Vegas 2016 X5 40e Mineral White/Black Dakota Leather, ZLL, ZCW, ZDA, ZDB, ZPP, multi contour seats, rear side window shades, HK stereo 2011 E90M3, 6-speed manual |
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#2
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If it not broken don't F#@k with it. That's what my dad an ASE certified mechanic told me when I was playing with cars.
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2006 Infiniti G35 2001 BMW 3.0I E53 X5 Build date 08/2000 SOLD Lotus Europa 1970 Destroyed by fire Lotus Europa 1970 S2 Renault Powered Lotus Type 52 1970 Twincam Webers Powered PORSCHE 911 Targa 1982 The Garage Queen Audi Avant donated to Kars for Kids BMW 525IT Sold Audi 4000CS Quattro Sold Jensen Healey Lotus Powered Sold Opel 1900 Sold Triumph Spitfire 1971 Sold Triumph Spitfire 1968 Sold Plymouth "Cuda" 340 Six pack SOLD |
#3
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I'm at 152k with originals, worm can heard cracking:whist le:
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2004 X5 3.0 Auto 140k 2005 325xi Auto 108k 1988 325ix 5spd 279k |
#4
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Quote:
There's plenty of money to be spent on maint. with these things without messing with the stuff that's working - maybe put the $500 aside "just in case" and if something else lets go first, you're covered.
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Wayne 2005 BMW X5 3.0d (b 02/05) 2001 BMW F650GS Dakar (b 06/01) |
#5
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I am on the flip side - changed mine at 100k, I like to catch things before they fail.
there a bitch to get out, cooked in. You need the "special" tool/socket
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2004, X5, 3.0, 202k+ |
#6
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Thanks guys. I'm inclined to leave them be as I have a radio issue I'm fighting now.
FWIW, I use a crows foot wrench to get O2 sensors out and have had good luck with those on multiple vehicles. I probably should order a real O2 sensor socket (22mm?) though before I change these.
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Kirk Las Vegas 2016 X5 40e Mineral White/Black Dakota Leather, ZLL, ZCW, ZDA, ZDB, ZPP, multi contour seats, rear side window shades, HK stereo 2011 E90M3, 6-speed manual |
#7
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My Pre-Cat sensors had to be replaced at 260,400 miles. I only use Shell gasoline and no additional fuel additives. Apply your funds to other maintenance issues such as the CCV system and cooling system. At your vehicle age and mileage it's time for expansion tank, main hoses and belts.
2002 X5 3.0 305,200 miles 2014 428i 19,500 miles 2004 325i sold at 123,600 miles 2001 325i sold at 66,000 miles 1970 Firebird Under restoration |
#8
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As posted many time in the past....
Test then replace is the only real path to problem solving. O2 sensors are easy to read live through the OBD2 port and have a good soft and hard failure codes to warn you of issues. If your ownership practices include using good gas and monitor your fuel consumption rates everything else will work as planned by the design engineers. Short trips will accelerate failure to 60/80K, while most last to 100K+ The element heaters that are built in are the first function to go bad unless the sensor tips are exposed to antifreeze, oil, or REALLY bad gasoline.
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2005 X5 4.8IS The Blue ones are always FASTER.... Current Garage: 2005 X5 4.8is 2002 M5 TiSilver 2003 525iT 1998 528i Former Garage Stable Highlights 2004 325XiT Sport 1973 De Tomaso Pantera, L Model 1970 Dodge Challenger T/A 4 sp Alpine White 1970 Dodge Challenger T/A 4 sp GoManGo Green 1971 Dart Sport, “Dart Light” package 1969 Road Runner 383 1968 Ply Barracuda 340S FB Sea-foam Green |
#9
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Quote:
Thanks again for all the replies. Now, I just need to figure out this radio volume issue...BM53 or Lear DSP amp? Hmmmm...
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Kirk Las Vegas 2016 X5 40e Mineral White/Black Dakota Leather, ZLL, ZCW, ZDA, ZDB, ZPP, multi contour seats, rear side window shades, HK stereo 2011 E90M3, 6-speed manual |
#10
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If you are going to replace the 02 sensor, just do what most professional mechanics would do, snip the wire and use a regular 6 point socket to remove the sensor.
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2006 Infiniti G35 2001 BMW 3.0I E53 X5 Build date 08/2000 SOLD Lotus Europa 1970 Destroyed by fire Lotus Europa 1970 S2 Renault Powered Lotus Type 52 1970 Twincam Webers Powered PORSCHE 911 Targa 1982 The Garage Queen Audi Avant donated to Kars for Kids BMW 525IT Sold Audi 4000CS Quattro Sold Jensen Healey Lotus Powered Sold Opel 1900 Sold Triumph Spitfire 1971 Sold Triumph Spitfire 1968 Sold Plymouth "Cuda" 340 Six pack SOLD |
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