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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 > Meth kit in the works for the 335d



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      06-17-2014, 04:51 PM   #265
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Woops, I switched my nozzle to the middle one, I think it's 300ml, and it drank my whole WW reservoir in 3 days, ha ha! Was running 8-25 boot progression. Think I will have to make it come on later... I cant afford that much meth!
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      06-17-2014, 04:58 PM   #266
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Originally Posted by Masstar View Post
Woops, I switched my nozzle to the middle one, I think it's 300ml, and it drank my whole WW reservoir in 3 days, ha ha! Was running 8-25 boot progression. Think I will have to make it come on later... I cant afford that much meth!
woah! you must do a lot of up and down hill driving. Mine usually lasts a month in normal driving, but I have emptied 1.5 gallons in 4 hours driving up a mountain and that was just normal keeping speed. I would hate to see how fast it could go if someone had it run while doing a track day
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      06-17-2014, 05:01 PM   #267
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So is there a calc for diesel motors?
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      06-17-2014, 05:11 PM   #268
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Your exactly right, I have to go up and over the hill each day for work. I think I must have done some great cleaning though. I think I will turn it down to 10-25 and see how that goes. As a side note, my mileage has gone way up, at least 5 mpg.

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woah! you must do a lot of up and down hill driving. Mine usually lasts a month in normal driving, but I have emptied 1.5 gallons in 4 hours driving up a mountain and that was just normal keeping speed. I would hate to see how fast it could go if someone had it run while doing a track day
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      06-17-2014, 07:57 PM   #269
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Originally Posted by Masstar View Post
Woops, I switched my nozzle to the middle one, I think it's 300ml, and it drank my whole WW reservoir in 3 days, ha ha! Was running 8-25 boot progression. Think I will have to make it come on later... I cant afford that much meth!
You need access to our washer fluid. I think its about 3-4$ gallon sells everywhere in bulk.
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      06-17-2014, 08:21 PM   #270
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Do you have a dealer in Hawaii? Most fluid out here is the +35 degree stuff which I'm told is no good. Pure meth here is very expensive.



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You need access to our washer fluid. I think its about 3-4$ gallon sells everywhere in bulk.
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      06-17-2014, 08:30 PM   #271
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Did you find a race shop? The place I buy from is around $4/gal for 100% methanol
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      06-17-2014, 08:43 PM   #272
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Yes I did but you wont believe me when I tell you...$90 for 5 gallons.


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Did you find a race shop? The place I buy from is around $4/gal for 100% methanol
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      06-17-2014, 11:27 PM   #273
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Quote:
Originally Posted by mob17 View Post
If you see this page: http://procedetuning.com/BMW/n54/methanol/methanol.html
Scrolling down you'll see a section highlighted in yellow.

Greekboy: Yes they are a little more pricey. But if you see here it gives you price and feature comparisons: http://www.aquamist.co.uk/forum/compare-4.gif

The website also has a forum with loads of info (far more technical for my knowledge!)
Jeff from Howerton Engineering told me it takes roughly 8-10 hours to install their Aquamist HFS-4 Injection System.
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      06-18-2014, 08:01 AM   #274
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Curious why BMW NA did not develop a water/meth repair tool for the 35d instead of walnut blasting? (Assuming water/meth really is a good cleaning agent)

I'd imagine the dealer could install a removable water/meth kit, allow the customer to drive with it for ~500 miles (or whatever is deemed appropriate interval) and then dealer removes and sends happy customer on their way.

We know BMW NA engineers must have spent significant time developing the SIB for cleaning. I have to wonder why they may not have went this route?
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      06-18-2014, 08:12 AM   #275
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I'd figure because of liability issues. Imagine people doing the meth dealer approach and then getting SES codes a few days later.
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      06-18-2014, 09:04 AM   #276
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Well, they'd have to re-certify the car with the EPA to allow it to be road legal with the water/methanol. That's a long, expensive process...
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      06-18-2014, 10:05 AM   #277
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Quote:
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Well, they'd have to re-certify the car with the EPA to allow it to be road legal with the water/methanol. That's a long, expensive process...
This could be a valid point. Although I wonder if it was intended as a short term use repair tool would it gain an exemption.
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      06-18-2014, 11:43 AM   #278
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Quote:
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This could be a valid point. Although I wonder if it was intended as a short term use repair tool would it gain an exemption.
mine wasnt completely clean in over 10k miles including probably over 5k miles with the EGR blocked. I doubt the EPA would consider a year long installation to be short term. Meth is a good long term remediation and prevention method, its certainly not a short term solution if you have bad buildup
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      06-18-2014, 11:56 AM   #279
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I have a 2000mi trip this weekend, all highway of course. Should I just run straight water or mix in some methanol? 4 gallons of boost juice should be on my doorstep shortly but I don't really want to burn though that just cruising if water alone will provide the same cleaning benefit.
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      06-18-2014, 12:06 PM   #280
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Quote:
Originally Posted by stevers314 View Post
I have a 2000mi trip this weekend, all highway of course. Should I just run straight water or mix in some methanol? 4 gallons of boost juice should be on my doorstep shortly but I don't really want to burn though that just cruising if water alone will provide the same cleaning benefit.
Water alone will not help intake manifold, but will help valves and head, so it depends on what you are trying to clean
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      06-21-2014, 01:18 PM   #281
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Well, update on my install and how the trip went. First let me say that I am an idiot.

I was averaging about 150mi/gal of washer fluid. It seemed excessive because i really wasn't romping on it much. About 750 mi in and after I topped off my last jug I started getting a ton of false laser alerts through my jammer - figured it was just some crap NY put on I90 since my last trip. As it turns out, whenever the 1st stage was injecting, the jammer would give me an alert for a specific speed camera. My laser jammer wires are going through the same grommet I used for the solenoids, I suspect the interference is what's causing that so I'm moving those wires over to the DDE compartment this weekend.

Second thing, the consumption just seemed like way too much. I only have the 60cc nozzle in for stage 1 and a 225cc for stage two. I had a revelation as to what was going on. Since the kit was installed last weekend I always heard a buzz right as stage 1 would begin progressing, I figured it was just the pump running at a slow speed as the sound went away. Turns out that buzz was the relay I put in. I hooked a relay up to the circuit to activate the pump so I could draw power right from the battery. Once the relay got enough voltage to stop buzzing the pump was basically at full output (~14psi). Going back through for a rewire later today or tomorrow. this time i will feed the 20a circuit to the controller and then tie the white wire to the pump as it should have been.

I suspect the quench I saw was due to the pump coming on strong at a lower boost level. Also if it was turning on and off quick from the relay, I could see how that would create a sloppy spray pattern.

Yep, a dumbass.

edit: also of note, I managed to trigger the other "mode" TDIwyse discovered with the EGR valve. I only did it once, but left it that way for a 300mi stretch of the trip.
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      06-21-2014, 11:09 PM   #282
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Relocating the wires didn't help with the laser jammer, but at least now i have zero quench progressing the 60cc nozzle from 11-19psi.
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      06-22-2014, 12:50 AM   #283
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Quote:
Originally Posted by stevers314 View Post

edit: also of note, I managed to trigger the other "mode" TDIwyse discovered with the EGR valve. I only did it once, but left it that way for a 300mi stretch of the trip.
What is this mode you're referring to?
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      06-22-2014, 06:28 AM   #284
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What is this mode you're referring to?
Thanks for sharing stevers314. I hadn't gotten feedback from anyone else who was able to trigger this condition.

335iPSI, here is some info on the "mode".

http://www.bimmerfest.com/forums/sho...9&postcount=59
http://www.bimmerfest.com/forums/sho...0&postcount=60
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      06-22-2014, 07:19 AM   #285
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Quote:
Originally Posted by TDIwyse View Post
Thanks for sharing stevers314. I hadn't gotten feedback from anyone else who was able to trigger this condition.

335iPSI, here is some info on the "mode".

http://www.bimmerfest.com/forums/sho...9&postcount=59
http://www.bimmerfest.com/forums/sho...0&postcount=60
How are you able to "trigger" this "mode"?
Once tuned, does this become a mute point?("mode"will always be on)?
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      06-22-2014, 08:52 AM   #286
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Quote:
Originally Posted by gtp900 View Post
How are you able to "trigger" this "mode"?
Once tuned, does this become a mute point?("mode"will always be on)?
http://www.bimmerfest.com/forums/sho...5&postcount=63

The quick summary is if I do a multi gear moderate acceleration with just enough boost to get the water injection to kick in and stay going through multiple gear shifts (the mid/low level boost and rpm shift points are important) the DDE seems to get confused on what the "system" is doing and goes into this interesting "mode" of operation until the next key cycle, where behavior returns to stock. It does set a "pending code", but no light.

Not sure if this was how stevers314 got his to trigger or not? Also curious, are you injecting pre IAT sensor? I am, and thought the quick and significant change in IAT's, as measured with the Bav Tech tool, when injection kicked in might have had something to do with getting into the mode. But I no longer have EGR, so didn't get a chance to pursue that line of thought further.
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