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BMW Diesel Owners / Enthusiasts
Do you own a diesel powered BMW? Maybe a 335d or a BMW x35d? Come and talk about what makes your car great!

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  #1  
Old 09-05-2016, 04:13 AM
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finnbmw finnbmw is offline
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Location: Atlanta, GA
 
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Mein Auto: 2010 & 2012 X5 35d
Rolling coal

I think these guys give diesel a bad reputation and hasten it's demise as an engine alternative for passenger vehicles.

http://www.nytimes.com/2016/09/05/bu...=top-news&_r=0
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  #2  
Old 09-05-2016, 04:34 AM
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Doug Huffman Doug Huffman is online now
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Location: Washington Island, Wisconsin, thru Death's Door
 
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Mein Auto: 2012 X5 35d (E70)
Hmm, well, we are known by the company that we keep. PM2.5 is the hazardous component of IC exhaust, as the particle size increases its remanence time decreases and so does its hazard. Think combustible rock.
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  #3  
Old 09-05-2016, 01:26 PM
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3ismagic# 3ismagic# is offline
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Bunch of mouth-breathing morons in their giant douchemobiles.
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  #4  
Old 09-06-2016, 04:30 PM
Hoooper Hoooper is offline
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Intentionally tuning to produce more smoke . Intentionally tuning to produce more power at the cost of a bit more smoke Intentionally smoking someone out on the street corner (or anywhere else)
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  #5  
Old 09-07-2016, 05:34 AM
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Doug Huffman Doug Huffman is online now
Nuclear engineer
Location: Washington Island, Wisconsin, thru Death's Door
 
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Mein Auto: 2012 X5 35d (E70)
About fifteen years ago I went on a VW NB TDI road trip to Helen, Georgia, through the mountains of north Georgia. There were a couple of dozen NB in the caravan, enough that we were careful about small town speed limits. The guys in front had chipped their cars, and the leader bragged of 250 Hp from 1900 cc.

A hillbilly worked his way through the caravan rather aggressively and got on the leader's bumper. At the next stop sign he got SOOTED, I think picking pieces of soft coal off his windshield, maybe it was rubber from the FWD burnout.
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  #6  
Old 09-07-2016, 01:19 PM
Michael47 Michael47 is offline
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Granted it is satisfying to register a complaint with a *********, whether following you or not. Still, *********gery isn't limited to the guy behind you.

I'll confess to having "rolled coal" once entirely by accident. Drove the Jeep CRD all the way UP Going To The Sun road in Glacier NP. After enjoying a hike and studying the exhibits at the Visitor Center there, it was time to go back down. That road takes an hour or so to drive down, being long, steep, narrow, and crowded with both pedestrian and vehicular traffic. The temperature was in the low 50s, and like most modern engines, the Jeep's diesel shuts off fuel entirely when coasting in gear, which was basically the entire way. There was this guy pushing me the entire hour of that drive. Most of the time, I couldn't see his front bumper. I don't know why he was in such a hurry, there was no where to go and no way to go faster. When we got to the bottom, of course the engine was stone cold, and when I first stepped on the go-pedal, there was also no glow plug cycle to warm things up, so the Jeep blew out an incredible cloud of soot. It was so dense I completely lost sight of everything behind me, including the face behind the windshield that had been shoving so hard. When the cloud dissipated, that guy was nowhere to be seen. I don't know if I completely vaporized him or merely blew him off the road. And had I anticipated that a cold engine would have happened or done that, I wouldn't have just stepped on the throttle. But it was gratifying.

Oh, btw, I know for a fact that the X5d also shuts off fuel when coasting in gear. Last year with the travel trailer in tow in the mountains west of Denver, a much shorter stretch of coasting downhill got a much smaller belch of smoke from a much warmer engine.
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Last edited by Michael47; 09-07-2016 at 01:22 PM.
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  #7  
Old 09-07-2016, 02:08 PM
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Doug Huffman Doug Huffman is online now
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Location: Washington Island, Wisconsin, thru Death's Door
 
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I drove Going To The Sun in my Jetta TDI loaded with a month's tent camping and bicycling gear. As almost always when someone tailgates me I pull over at the first opportunity, allowing them to race from idiot to ***hole.. On a substandard road there is no use in hurrying, there's just gonna be another idiot in front shortly.

I've shirt-tail family that lives just across the intersection with TN-411 from the end of The Tail Of The Dragon in Maryville. That was part of my first road trip in the X5.
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  #8  
Old 09-07-2016, 03:27 PM
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Doug Huffman Doug Huffman is online now
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Location: Washington Island, Wisconsin, thru Death's Door
 
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Quote:
Originally Posted by Michael47 View Post
[ ... ]Oh, btw, I know for a fact that the X5d also shuts off fuel when coasting in gear. [ ... ]
I believe that it will fuel to maintain RPM > idle speed set point. I've not seen it addressed in BMW diesel technical documents.
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Post hoc ergo propter hoc is a weak logic akin to arguing from ignorance, "I don't know, but ..." Better to be silent and thought a fool than to babble and remove all doubt.
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  #9  
Old 09-08-2016, 01:34 PM
Michael47 Michael47 is offline
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Quote:
Originally Posted by Doug Huffman View Post
I drove Going To The Sun in my Jetta TDI loaded with a month's tent camping and bicycling gear. As almost always when someone tailgates me I pull over at the first opportunity, allowing them to race from idiot to ***hole.. On a substandard road there is no use in hurrying, there's just gonna be another idiot in front shortly.

I've shirt-tail family that lives just across the intersection with TN-411 from the end of The Tail Of The Dragon in Maryville. That was part of my first road trip in the X5.
Yeah, me, too. But there hadn't been any places to pull off to see the sights on the way up, and it was even more crowded on the way down. I had no choices there. It was all but bumper to bumper, except in front of me. I made sure to leave the guy ahead of me some room.
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  #10  
Old 09-13-2016, 03:26 PM
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gkr778 gkr778 is offline
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Location: Southaven, Mississippi USA
 
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How difficult is it to modify a U.S. spec BMW with N47 or N57 engine to "roll coal", as described in the article?
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Last edited by gkr778; 09-13-2016 at 03:27 PM.
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  #11  
Old 09-14-2016, 07:49 AM
Hoooper Hoooper is offline
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Not hard at all if youre really interested in being a buffoon rather than improving power and efficiency
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  #12  
Old 09-14-2016, 11:45 AM
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BB_cuda BB_cuda is offline
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Quote:
Originally Posted by gkr778 View Post
How difficult is it to modify a U.S. spec BMW with N47 or N57 engine to "roll coal", as described in the article?
If I could kindly ask, please don't do this.
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  #13  
Old 09-14-2016, 10:36 PM
Geotrash Geotrash is offline
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Mein Auto: 2014 BMW 328d xDrive
Rolling coal

Deliberately rolling coal at pedestrians, people riding bikes, motorcycles, or to "fog" anyone is an act of aggression, just as harassment is an act of aggression. I'm no fan of adding more laws to the books, but I would certainly support treating deliberately rolling coal at someone like any other harassment or threatening behavior under the law, and punishable...even if only to protect the dumb bastards from retaliation or physical attacks from the people they fog.
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Last edited by Geotrash; 09-19-2016 at 07:36 AM.
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  #14  
Old 09-18-2016, 04:38 PM
F32Fleet F32Fleet is online now
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Mein Auto: 435i, 335d sold.
This type of *********gery is why the EPA announced a "clarification" a couple of months ago regarding the modification of emissions equipment on non-race vehicles and it's why SEMA pulled out all the stops with it's K-Street commandos.

It's a cruel joke. The aftermarket industry knows full well that the overwhelming majority of the "non-compliant" parts/software are not going to dedicated track cars.

Catless downpipes, Tuning software, EGR delete kits etc.
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