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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N57 / M57 Turbo Diesel Discussions - 335d > Mega-Speed 35d Diesel remap



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      08-20-2012, 05:41 PM   #45
DieselDiner
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Quote:
Originally Posted by pizzaman
Sorry guys I made a mistake. The egr is in the closed position to keep the gasses from recirculatiing.
Thank goodness! LOL
You had my last remaining active brain cell doing loops trying to understand what was being done!

Quote:
Originally Posted by NRG
It does lead to another few questions however, since the engine has DPF. Number one - If it is closed on M57 then the DPF is screwed, it won't handle the amount of free-flowing exhaust unless reprogramed as well?
That's an excellent point. My impression is that, in Europe anyway, the EGR delete and DPF delete are going hand in hand...perhaps your thought explains the reason why.

IIRC, the purpose of EGR is NOx reduction; if that is correct, it might be true that the elimination of EGR won't tremendously affect the production of soot. Not sure about that, just guessing.
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      08-20-2012, 06:28 PM   #46
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"Disconnecting" the EGR valve will lower the production of soot inside the cylinders and intake by a significant margin. The proof of that is your oil will stay clean for a while after you change it vs it'll get immediately black after a short drive with EGR "on".

The only question is how the DPF will hold up with time and miles if not reprogrammed with EGR "off".

Ecotune very nice gains btw! What is the eco setting? Can you have both or you choose one when remaped?
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      08-20-2012, 07:02 PM   #47
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Quote:
Originally Posted by NRG View Post
DieselDiner

Number one - If it is closed on M57 then the DPF is screwed, it won't handle the amount of free-flowing exhaust unless reprogramed as well?
At least on my 335d, during DPF regens the EGR is essentially closed the majority of time.

http://www.bimmerfest.com/forums/sho...0&postcount=10

I like the idea of this remap and being able to eliminate EGR. Thanks for sharing about it. I'd be very interested to find out what it does to rail pressure. If it acts like the Evolve remap it leaves rail pressure alone. Which is good, so if one is so inclined it can be stacked with a pressure box like the JBD for even more increase.
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      08-20-2012, 07:10 PM   #48
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Yeah I've read it before Was thinking of doing it myself, since I still have the JBD. But found out that Mega-Speed modified the rail map in my remap, so a no go.
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      08-20-2012, 07:42 PM   #49
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I own a fleet of semi trucks with 07 Cummins ISX
You own more Cummins than me! I'm a fan due to the simplicity and robustness. Have a common rail Ram and I stuck a little B3.3T into my old Wrangler many years ago . . .

Neither of which have EGR.
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      08-20-2012, 07:47 PM   #50
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It's a total of 5 lol, a small fleet. Good to hear from Cummins lover. I'm one myself, just with the ISX or SIG600. No experience with other models.

Mods so far on my first purchased truck with ISX SIG600/2050TQ in 06 Volvo VN780 with Eaton 13 and 3.58 rears.

Full turbo-back 6" straight pipe single stack. f'k emissions lol
EGR dissconected not reprogramed
EGR pipe removed and sealed
PP Crankshaft balancer
PDI Exhaust manifold for VGT
PDI Air Intake manifold
Borg Warner K30 fan clutch
Detroit Rad Intercooler
Detroit Rad Radiator
Fleet Air Filter
Air Dog II FAS
and some minor others...

Dyno'd at Cummins with their latest calibration 650HP to the wheels 1850RPM and 600HP@2100RPM with 2200TQ. Almost 1 mil miles still before inframe. It's done it's duty to the west coast. Now it's doing south east. No plans on swapping the Holset VGT and going non wastegated. Cummins interbrake with VGT FTW!
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      09-05-2012, 01:35 PM   #51
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Quote:
Originally Posted by pizzaman View Post
Had my 2011 335d tuned by Stan over at ecotune. Fast turn around and a pleasure to deal with. He did an ECU remap and EGR delete. I had the dpf removed. What a difference. It feels like a totally different car. Dyno 318hp and
520lbs torque at the wheels.
"Pizzaman"- Did Stan at Ecotune also provide you with the DPF bypass pipe, or did you have that made locally here in the states?
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      09-07-2012, 06:41 AM   #52
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WOW Pizzaman great numbers, I have the latest upgraded RENNtech flash(what Lenny did was give larger parameters from 1500-5500 rpm's) Ive been to lazy to go to DYNO it but Im sure Im close to your figures!!
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      09-08-2012, 02:16 PM   #53
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Any new updates or info on any of this?
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      09-09-2012, 12:26 PM   #54
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Quote:
Originally Posted by WEEZAR
Any new updates or info on any of this?
On what?
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      09-17-2012, 03:23 PM   #55
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Quote:
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On what?
On the original post, about the info on the Mega-Speed 35d Diesel remap
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      09-17-2012, 06:43 PM   #56
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Quote:
Originally Posted by WEEZAR
Quote:
Originally Posted by NRG View Post
On what?
On the original post, about the info on the Mega-Speed 35d Diesel remap
So far so good. Info in the first post.
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      12-14-2012, 04:34 PM   #57
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Anymore updates on how the remap is working for you? Any problem so far?
Just picked up a 2011 335d and I'm interested in re-mapping it as well. I'm in Toronto so JR auto is not far away from me.
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      12-18-2012, 12:51 AM   #58
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Anymore updates on how the remap is working for you? Any problem so far?
Just picked up a 2011 335d and I'm interested in re-mapping it as well. I'm in Toronto so JR auto is not far away from me.
Not a single CEL so far (knock on wood). Do not hesitate...!
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      12-18-2012, 12:15 PM   #59
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in my 535d 272hp Europe i had a downpipe motortech.fr . it's good how ecotune uk
pretty solid stainless inox
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