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Brief Report on DEF Tank Sensor Failure
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12-09-2016, 03:40 PM | #1 |
Jumping Jack Flash
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Brief Report on DEF Tank Sensor Failure
Around 1 Dec I noticed the SES light was illuminated. Used my handy OBDII thingy that came with the JBD and found one stored code: 4BAC, which relates to the SCR system. I have a tad over 64k miles.
Took it to the nearby dealer on 5 Dec. No word that day. 6 Dec they diagnosed a bad sensor in the DEF tank and ordered the needed part. 7 Dec they installed but didn't finish clearing all faults. 8 Dec they finished by the end of the day. The replaced the active DEF tank (SCR container 16-19-7-204-623), added the urea, replaced a couple of hose clamps. Although I do have the BMW Extended Warranty and would have paid a $50 deductible, this was covered under the Federal Emissions Warranty. Will report any related follow-up items if there are any.
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2021 X3 M40i: M Sport Differential, Adaptive M Suspension.
Previous BMWs: 1971 BMW 2002, 1973 BMW R75/5, and 2011 BMW 335d Previous Other Vehicles: '67 Cougar, '70 911e, '86 Jetta Diesel, '05 and '12 Foresters, et al. |
12-09-2016, 07:44 PM | #2 | |
Curmudgeon and Pedant
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12-09-2016, 07:56 PM | #3 | |
Jumping Jack Flash
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__________________
2021 X3 M40i: M Sport Differential, Adaptive M Suspension.
Previous BMWs: 1971 BMW 2002, 1973 BMW R75/5, and 2011 BMW 335d Previous Other Vehicles: '67 Cougar, '70 911e, '86 Jetta Diesel, '05 and '12 Foresters, et al. |
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12-09-2016, 09:02 PM | #4 |
Curmudgeon and Pedant
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12-10-2016, 07:10 PM | #5 |
Pushing Rope in the Cellar
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12-10-2016, 07:31 PM | #6 | |
Jumping Jack Flash
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I don't typically dig into the details unless it's going to cost me. Sorry.
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2021 X3 M40i: M Sport Differential, Adaptive M Suspension.
Previous BMWs: 1971 BMW 2002, 1973 BMW R75/5, and 2011 BMW 335d Previous Other Vehicles: '67 Cougar, '70 911e, '86 Jetta Diesel, '05 and '12 Foresters, et al. |
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12-10-2016, 08:08 PM | #7 |
Second Lieutenant
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Nice. I just hit 78k miles on mine yesterday and so far so good. I haven't had any issues with my DEF tank or anything else aside from regular CBU last year and a new MAF sensor two months ago.
Sometimes I wonder when my DEF tank will go out after reading some threads on here, or the SCR crap... but my car seems ok... knock on wood... and I'm past the emissions warranty..
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12-10-2016, 08:44 PM | #8 | |
Jumping Jack Flash
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__________________
2021 X3 M40i: M Sport Differential, Adaptive M Suspension.
Previous BMWs: 1971 BMW 2002, 1973 BMW R75/5, and 2011 BMW 335d Previous Other Vehicles: '67 Cougar, '70 911e, '86 Jetta Diesel, '05 and '12 Foresters, et al. |
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12-11-2016, 06:52 AM | #9 | |
Second Lieutenant
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How do I know? My tank was replaced in the early 60K's here in PA and I'm one of those states so it was free of charge save the several days I was down... - b |
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