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#201
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Quote:
Your soot/cbu looks severe for only 18k miles. But that may be attributable to the cold running engine. The engine is made to run rich when not at temperature, and that makes a lot more soot. If not for the dpf and catalysts, we would likely have a visual warning that there was an issue because the exhaust would be come darker. I still can't believe how many of these diesels have failed thermostats and the dealer techs and private specialists still seem unaware of the issue or to check for it.
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2009 xDrive35D Comfort seats, Tech, Premium, Cold Weather, Sport w/ Adaptive Drive, Extended Nappa Leather Deleted & Stg 2+ Tune for over 115k miles 227k on the clock Being replaced by a 2016 X5d |
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#202
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I'll be checking my thermostat temps this weekend while the wife is gone. EGR Cooler was already replaced under warranty about 13k miles ago (@41k). Wife drives a lot around town for work and I noticed yesterday her avg mpg was only around 20mpg. I'll reset it this weekend, take a nice drive on the hwy and around town and see what my average is. Compare figures and see if it's just her lead foot or if the t-stat temps aren't getting up to normal operating temperature.
Funny I noticed my mpg in the E39 M5 drop to around 15, and thermostat is replacement is in order (81k miles on original).
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2004 BMW M3 Individual 2009 BMW E70 X5 35d 2011 BMW E70 X5 35d - Totaled 2009 BMW M3 E90 - SOLD 2006 E53 X5 4.8iS - SOLD 2002 E46 M3 Convertible - SOLD 2006 E46 M3 ZCP - SOLD 2011 E70 X5 35d - SOLD 2000 E39 ///M5 - SOLD 2003 E53 X5 4.6iS - SOLD 2006 E83 X3 3.0i MSport - SOLD 2000 E46 323Ci - SOLD |
#203
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Lead foot in town is'nt grounds to cry about 20 mpg! It's a 26-28 highway with your foot not in it kind of car. I bought ,umm,a gauge guard.Instant temp readings among other features.
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#204
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Before replacing the Tstat, ours was barely managing 18.5mpg. After replacing it, it consistently gets around 25 with mixed driving and 27 on trips.
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2009 xDrive35D Comfort seats, Tech, Premium, Cold Weather, Sport w/ Adaptive Drive, Extended Nappa Leather Deleted & Stg 2+ Tune for over 115k miles 227k on the clock Being replaced by a 2016 X5d |
#205
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#206
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Nice and clean! Did you just use solvents and a brush, or did you use ultrasonics?
I'd like to get my intake mani that clean, but I'm afraid solvents might attack the plastic.
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2009 xDrive35D Comfort seats, Tech, Premium, Cold Weather, Sport w/ Adaptive Drive, Extended Nappa Leather Deleted & Stg 2+ Tune for over 115k miles 227k on the clock Being replaced by a 2016 X5d |
#207
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Acetone. Cuts through carbon more than any other solvent I tried. I also used it for my intake manifold as well.
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#208
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Well I used the ole Carly app today to get an idea about my temps. Outside temp was about 89 degrees with about 45% humidity. Traveled on the highway for a few miles at a steady 70mph with the AC on and it topped at just a hair under 77. Around town it would vary between 75-78 on and off load. Sounds like my numbers are low so I'll likely be ordering up the parts. I figure I might as well order up the thermostat, pump, idler, hoses and belts since I'll be in there.
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#209
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Pay attention to the fact that the AC belt requires a special tool to install and the primary belt is captive behind it.
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2009 xDrive35D Comfort seats, Tech, Premium, Cold Weather, Sport w/ Adaptive Drive, Extended Nappa Leather Deleted & Stg 2+ Tune for over 115k miles 227k on the clock Being replaced by a 2016 X5d |
#210
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I got my Indy to do the water pump as well. Cost no more extra labor. |
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