I use Torque Pro on a on old smartphone, which is semi-permanently mounted in my car, and use as my daily "gauge cluster", and was able to monitor/log EGT's on the e90 M57 335d platform. It was a standard OBD value. DWR on e90ost created a bunch of BMW specific PIDs for Torque which also...
Understood. I just really appreciated you posting logs and measured data and sharing the data. That info is the key to understanding what's going on and how to improve/adjust things within the system to improve performance. Without it one is shooting blindly in the dark...
Sharing and...
Wow, I haven't visited or posted here in quite awhile. Nick, glad you like your new tune. And it's good to see more options coming online.
Malone, thanks for posting data! Please post some of this on the e90post.com site. There's a frustrating lack of data being posted by people pushing...
At least a few of the NA BMW's can produce visible soot...
I've never enjoyed having local diesel trucks blowing smoke at me when I'm out training on my bicycle on the roads. Which some of the more juvenile truck owners seem to particularly enjoy doing to us spandex wearing cyclists. But just...
My experience is that it does well in the rain and snow/ice. Although I use a dedicated set of winter tires for our midwest winters. The ~50/50 weight distribution helps a lot for this RWD car. It's my daily driver year round. Except for when we're getting lots of snow due to the low ground...
Which XL charts are you looking at?
When I go here: http://www-odi.nhtsa.dot.gov/acms/cs/documentList.xhtml?docId=EA11003&docType=INV
and pull the VW excel spreedsheet of fuel samples titled: INRD-EA11003-54337P.xlsx
I get 7.1% of the samples exceed 520um wear scar. 24.5% (almost 1 in 4)...
FYI
http://www-odi.nhtsa.dot.gov/acms/cs/jaxrs/download/doc/UCM430237/INRL-EA11003-54326P.pdf
f. Volkswagen notes that the fuel analysis obtained from this study was directly caused by
this inquiry. Beginning with the NHTSA meeting in May 2011, in which initial fuel analysis
results were...
Thanks. More good reading :-)
This last graph would've been better on a log scale. And I haven't read the link yet, but if its using the PMP methodology then its likely not capturing much of anything below 23nm.
P.S. Guess I don't feel so bad driving my Cummins that came from the factory...
Thanks wxman. I read all these. Very interesting.
The use of rats in these studies would seem to me to be a less than optimum approach due to the difference in lung reaction compared to primates.
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1470143/
Rats retained a significantly greater...
Thanks. I'll read through some of those links tonight.
It's also interesting to me that the particulate emission caused by the DPF isn't just during active regens (controlled by the vehicle ECU), but also during passive regens (this is usually subject to how hard the vehicle is being driven...
wxman, I always enjoy reading your contributions on here and on the 335d sites.
I've been doing some reading on particulate emissions and this is one of the studies I recently came across. I was disappointed to get to the end of this thread and see it abruptly stopped when this issue of the...
Bavarian Technic OBD/software seems to work. This is some of the data of the DPF from a 335d.
http://www.bimmerfest.com/forums/showpost.php?p=6720813&postcount=29
This one has an Evolve remap stacked with a custom rpm progressively controlled JBD rail pressure box with H2O/methanol injection. This weekend it got into the 12.6's @ 109.7 mph in the 1/4 ml. Also returns lower 40's (hand calculated) mpg's at ~75 mph.
The build thread and lots of measured...
I'd really like to encourage you to reconsider your assertion. Owning a 335d, being active on the diesel bimmer sites, there's not a single owner that I've come across who has reported a recall on their diesel hpfp. In fact I can't find anything on the bmw site, or any official auto site, that...
I read this research from Mitsubishi (http://www.mitsubishi-motors.com/corporate/about_us/technology/review/e/pdf/2004/16E_03.pdf)several years ago about their vortex generators on the Evo Lancer and started playing with these things on my Cummins powered YJ. It appears they removed them after a...
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