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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 > Bmw 335d engine/performance mods



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      07-31-2013, 02:13 PM   #23
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Quote:
Originally Posted by Puerto Rican 335d View Post
Hooper make sure to warn our amigos not to run more than 50% mixture otherwise they might end up like Ron1n he really screwed his DPF and other emmssions systems also
he blamed his issues on biodiesel IIRC, though im not sure how we would know . TDIwyse has been running methanol for a while now without issue but there are a number of reasons I would suggest not to exceed 50/50 mix, namely the fire potential.
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      07-31-2013, 02:17 PM   #24
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with Windshield washer fluid 429 hp 873 lb-ft wtf!! am I missing something man HOOPER you hv perverted me on this, Im almost leaning to buy this kit. for the 1/2 race!!! coming soon!!

yeah i forgot he did mentioned it could of been the BIODIESEL, the guy in Puerto Rico that sells the kit didnt want to sell it to me cause of BMW prohibition on BIODIESEl, at least the dude was very honest with me on this
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      07-31-2013, 02:49 PM   #25
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Originally Posted by Puerto Rican 335d View Post
with Windshield washer fluid 429 hp 873 lb-ft wtf!! am I missing something man HOOPER you hv perverted me on this, Im almost leaning to buy this kit. for the 1/2 race!!! coming soon!!
lol yeah the potential for meth on diesel is very good and much safer than gas cars, but like anything else its still important to research for your own needs to see if the fit is right. I wouldnt recommend meth for someone who wants to just install it and forget its there until their low washer light comes on. I inspect my kit at least once a week to make sure its still looking good, no leaks, crimped hoses, etc.

there is a lot more to it than just mixture %, such as nozzle size and pressure, but there are some companies out there that sell diesel kits. It takes some know-how to get it wired up especially on a newer diesel, I got lucky since Burger has an adaptation to the JBD that provides a trigger to their kit. Since you have RENNtech there would be some more figuring to get the correct wiring
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      07-31-2013, 03:01 PM   #26
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LSD = Limited Slip Differential.

In the 535D Variant, Top gear themselves pointed out this is something this setup could use. Check out 7:57

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      07-31-2013, 03:12 PM   #27
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wouldnt it be cool if top gear moved out of the UK so that they could test drive a car on a dry surface for once? Seems like the Stig is the only one that ever sees dry ground
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      07-31-2013, 03:46 PM   #28
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Originally Posted by Jhayd11 View Post
LSD = Limited Slip Differential.

In the 535D Variant, Top gear themselves pointed out this is something this setup could use. Check out 7:57

notes taken, thanks mate!
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      07-31-2013, 03:51 PM   #29
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People make much ado about meth mixture, yes the alcohol aids in combustion but the primary performance benefit to meth is compression/expansion. During compression water, being incompressible reduces the effective volume of the cylinder and allows for greater compression of the air fuel mixture. During ignition, water becomes gaseous and expands which makes the power stroke more 'explosive' so to speak. temps are a secondary benefit.
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      07-31-2013, 04:36 PM   #30
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Quote:
Originally Posted by 335DieselPower View Post
Totally agree on the scoop front, I will buy them and carry out tests for you though. just to clear that up. But I have just changed my bonnet to that of an M3 rep which is made of carbon fibre. So the weight of my vehicle has reduced dramatically along with better ventilation.

Excuse my ignorance.. LSD?
Limited slip differential, friend.

...all this LSD and meth talk is going to get people thinking the wrong thing!

Edit. Lol. I just saw the video. All of my posts seem to be a day late and a dollar short lately
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      07-31-2013, 04:46 PM   #31
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Originally Posted by 335DieselPower View Post
Totally agree on the scoop front, I will buy them and carry out tests for you though. just to clear that up. But I have just changed my bonnet to that of an M3 rep which is made of carbon fibre. So the weight of my vehicle has reduced dramatically along with better ventilation.

Excuse my ignorance.. LSD?
What's the weight of the OEM vs the M3 rep?
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      07-31-2013, 05:11 PM   #32
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Quote:
Originally Posted by taibanl View Post
People make much ado about meth mixture, yes the alcohol aids in combustion but the primary performance benefit to meth is compression/expansion. During compression water, being incompressible reduces the effective volume of the cylinder and allows for greater compression of the air fuel mixture. During ignition, water becomes gaseous and expands which makes the power stroke more 'explosive' so to speak. temps are a secondary benefit.
I would tend to disagree with that, particularly when it comes to diesel. I think the evidence in the link is indisputable. If you read the link, you would see that the test vehicle saw an increase of 58 WHP and 87 WTQ with no other changes (tuning, nozzles, etc) between using windshield washer fluid (typical assumed to be around 70% water and 30% methanol) and a 25% water/75% methanol mixture. Thats a pretty big difference to be considered just "much ado".
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      07-31-2013, 05:19 PM   #33
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What's the weight of the OEM vs the M3 rep?
Oem = 39lbs
M3 rep = 15lbs

24lbs savings (nearly 2 stones)
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      07-31-2013, 05:22 PM   #34
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What's the weight of the OEM vs the M3 rep?
Check my other thread for pics from start to finish. Matte blue too.
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      07-31-2013, 05:43 PM   #35
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Originally Posted by 335DieselPower View Post
Oem = 39lbs
M3 rep = 15lbs

24lbs savings (nearly 2 stones)
Not bad at all. When added to other weight saving mods you'd really see more of a benefit.
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      08-01-2013, 07:28 AM   #36
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Nice Video of the STIG driving a mamouth!! but to be honest we cannot compare to gassers, but at least the 5d did do great compared to other cars!! Oh boy was REALLY impressed with the DIESEL and that my friends is enough for me, someone that knows about cars talking eloquently about our D's
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      08-01-2013, 08:31 AM   #37
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I wish they compared the 535i and 535d on whether or not the D can keep up with gassers on the track. I would think we would still lose but by a closer margin.

Also, I like to point out to my friends that I am just as fast with four people and a full trunk.
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      08-14-2013, 02:23 PM   #38
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Quote:
Originally Posted by Jhayd11 View Post
I wish they compared the 535i and 535d on whether or not the D can keep up with gassers on the track. I would think we would still lose but by a closer margin.

Also, I like to point out to my friends that I am just as fast with four people and a full trunk.
that would be the torque kicking in
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      08-14-2013, 03:42 PM   #39
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"That would be the torque kicking in"

We need to be careful or we will start to sound like honda owners and "VTECH"
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      08-15-2013, 04:37 PM   #40
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"That would be the torque kicking in"

We need to be careful or we will start to sound like honda owners and "VTECH"
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      08-16-2013, 08:08 AM   #41
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Sorry about the delay in replying, holidays with the kids and all... Yes, LSD stands for limited slip differential.

And I'm also in love with how much my car pushes even with a full trunk and seats occupied.

I also forgot in my list something like the Bluefin. It's in between piggy backs and reprogs.
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      08-19-2013, 01:53 PM   #42
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Bluefin? I don't know this one. Anyone care to elaborate?

Quote:
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Sorry about the delay in replying, holidays with the kids and all... Yes, LSD stands for limited slip differential.

And I'm also in love with how much my car pushes even with a full trunk and seats occupied.

I also forgot in my list something like the Bluefin. It's in between piggy backs and reprogs.
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      08-19-2013, 04:35 PM   #43
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http://www.e90post.com/forums/showthread.php?t=233023

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      08-19-2013, 09:02 PM   #44
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You are lucky, those type of Obd port flashes don't work with our silly protected DDEs in the US.
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