changed 02 sensor - BMW Luxury Touring Community
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post #1 of 6 Old Jun 8th, 2017, 5:55 am Thread Starter
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changed 02 sensor

Well after a long time putting up with the engine at idle have a cough and flutter, and stumbling, seemed like ignition fault, slowly I have been trying to fix it during routine servicing and what not, today I changed the only thing left the 02 sensor, the diagnostic tool didn't detect a problem, the engine is now idling slightly faster, seems to go a lot better and no more stumbles, I have only road tested it and not done any trips yet but i believe i might have "stumbled" haha on the problem. was averaging about 5.8 L/P100km on a trip which made me think it was not the cause. got a days ride coming up next week then I should know for sure.
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Regards Linton
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and no koalas are not Bears



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post #2 of 6 Old Jun 8th, 2017, 7:08 am
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Re: changed 02 sensor

Good deal Linton. Once had a Nissan Maxima that ate o2 sensors for breakfast. That system was so sensitive that if the sensor got a tiny bit slow in switching, it would set a code and I would swap it out and go on. All my other vehicles never had any issue with the sensors but that doesn't mean that they were still running at an optimal setting, it just meant that it was still within design tolerance. I suspect if you compared a plot of the old one to the new one, you would see some difference but still enough within spec that it would not code.
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Gordon
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2001 K1200LTI – Champagne (current ride) Lazy Susan
1998 R1100RT – Never should have sold it
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post #3 of 6 Old Jun 8th, 2017, 4:43 pm
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Quote:
Originally Posted by Axle View Post
Well after a long time putting up with the engine at idle have a cough and flutter, and stumbling, seemed like ignition fault, slowly I have been trying to fix it during routine servicing and what not, today I changed the only thing left the 02 sensor, the diagnostic tool didn't detect a problem, the engine is now idling slightly faster, seems to go a lot better and no more stumbles, I have only road tested it and not done any trips yet but i believe i might have "stumbled" haha on the problem. was averaging about 5.8 L/P100km on a trip which made me think it was not the cause. got a days ride coming up next week then I should know for sure.
That sounds just like my 03 it's been doing it a long time I done a lot of other things
I was wondering did the sensor come out all right for ya That's always been my hold back on it thinking I might strip it trying to take out
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post #4 of 6 Old Jun 8th, 2017, 6:05 pm Thread Starter
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Re: changed 02 sensor

Gary I blew my gearbox up a while ago turns out about (18 mths ago) while the exhaust was off I removed the 02 sensor and attempted to clean it, when I refitted it I put never seize on the threads. Yesterday I had to use a cold chisel to crack it loose then it came out easy. I think if I was doing this for the first time for the price of 4 new header gaskets and a little bit of time, I would remove the entire exhaust to change it. I had to remove the lower fairing, gear linkages, LH foot plate just to get at it and still couldn't get a spanner on it. .

Regards Linton
From the land of Kangaroo's and Koalas
and no koalas are not Bears



2002 K1200LT
2010 Suzuki GSX 1250FA (the Wifes)
2004 Cub Kamparoo Sprint
My Toys
1976 Datsun 260Z
1989 Nissan 300zx TT
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post #5 of 6 Old Jun 13th, 2017, 11:57 am
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Re: changed 02 sensor

Quote:
Originally Posted by Axle View Post
Gary I blew my gearbox up a while ago turns out about (18 mths ago) while the exhaust was off I removed the 02 sensor and attempted to clean it, when I refitted it I put never seize on the threads. Yesterday I had to use a cold chisel to crack it loose then it came out easy. I think if I was doing this for the first time for the price of 4 new header gaskets and a little bit of time, I would remove the entire exhaust to change it. I had to remove the lower fairing, gear linkages, LH foot plate just to get at it and still couldn't get a spanner on it. .
Thanks Axle for the info I ordered one of those Irwin tool 53916 Impact bolt grip off amazon Its got a 5 star reveiw for the sensor that are hard to get off

Gary
2003 K1200LT

Last edited by GaryEm; Jun 13th, 2017 at 12:03 pm.
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post #6 of 6 Old Jul 2nd, 2017, 4:41 am Thread Starter
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Re: changed 02 sensor

Managed to get my first ride in today since fitting the sensor, have to say its running sweeter than it has for a long time 5.2l/100 @ 100kph, (45mpg.) seems to have much more power. and pulls like train
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Regards Linton
From the land of Kangaroo's and Koalas
and no koalas are not Bears



2002 K1200LT
2010 Suzuki GSX 1250FA (the Wifes)
2004 Cub Kamparoo Sprint
My Toys
1976 Datsun 260Z
1989 Nissan 300zx TT
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