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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
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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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Quote:
Originally Posted by NRG View Post
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
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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:
Originally Posted by NRG View Post
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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Quote:
Originally Posted by toy_soldier
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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      07-31-2014, 12:34 AM   #60
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Quote:
Originally Posted by NRG View Post
Finally had a chance to do a proper tune on my truck a 2012 US X5D. Prior to that I ran JBD@100% for almost a year due to a non availability of ECM remaps to NA market.

The ECM had to be removed, disassembled and bench flashed. The gains according to Mega-Speed are around 50-55HP and 70-75TQ depending on if it's a 3 or an X. Eventually I will dyno my truck to find out.

I have to say that I love the way my truck drives now. I just hated it in stock or JBD form, almost wanted to get out of the lease and grab the X5M. The 3er guys probably won't understand me, but we have a huge weigh difference over the same engine as well as slower shifting tranny and a 4 wheel drive. The response now with Mega-Speed in both D and DS is immediate there is virtually no more lag from the dig, or at least I feel that way when compared to above-mentioned. Power now is everywhere and comes on hard and smooth in a very controllable manner, not an ON/OFF switch any-longer that turned on at 1750 and off at 3000, it stays now way past 4000RPM. The tach needle just flies up there. Exhaust note became a little louder at higher RPM as with all remaps, probably due to increased injection. Truck reminds me now of my gas N54 335i tuned. The V-Max was set at 280km/h. I think, not verified yet, I noticed a slight jump in MPG even vs stock, specifically on the hwy.

Price during promotion is $699 at Mega-Speed ONLY NA dealer JR Auto Electronics in Oakville ON. JR guys are very professional at what they do and where very detailed in data loging my truck during several runs after the remap was done to make sure everything is in order. They will soon offer a dyno for rear wheel drive cars at their new facility.

Some of the parameters according to Mega-Speed lead programmer that were modified in this remap. For those who's going to try to compare it to a single rail pressure trick.

Throttle maps and pedal
Torque maps and limiters
Injection correction maps
Injector beginning time
Injector fuel timing
Speed limiters
Turbo pressure maps and limiters
Rail pressure maps and limiters
Gear torgue maps and limiters
and more...

I can say with all due respect that this remap and I'm sure that Evolve and RennTech as well are simply incomparable in terms of drivability and response to a diesel piggyback (JBD in my case).
Great review, thanks...
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      07-31-2014, 12:43 AM   #61
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Can this tune be used with the JBD still installed, for more power...
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      07-31-2014, 09:07 AM   #62
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Ask 2deer hes using Ecotune w JBD I got a video of it send me a pm w your number and i will forward it to u ok
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      07-31-2014, 09:29 AM   #63
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You're entering a place where there be dragons... you should really, really, really be monitoring your EGT's/AFR/Boost if you go this route so you don't blow up your engine, let alone damage your transmission...
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      07-31-2014, 09:34 AM   #64
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Tdi did Jess send u the video of the dyno runs damn car almost jumped out of the dyno machine Pm me w your number and I will send via whatsapp ok
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      07-31-2014, 09:42 AM   #65
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Tdi did Jess send u the video of the dyno runs damn car almost jumped out of the dyno machine Pm me w your number and I will send via whatsapp ok
Thanks, but I'm not interested in giving you my number.
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      07-31-2014, 09:53 AM   #66
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Not that i wanted it but to clear your DOUBTFULNESS on me since you always query me jajajajajajaja or better yet call jess to make you see it jajaja. A la verdad es que sigues siendo lo que eres un soquete. LOL
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