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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 > Clean Stage 2 Tune



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      03-05-2016, 10:13 PM   #1
QUIKDZL
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Clean Stage 2 Tune

Got my car back from BPC with my custom stage 2 tune, and the best word to describe it is AWESOME. I wanted as much power as I could safely get while keeping my DPF and SCR intact. I don't want a smokey, smelly car.

I also wanted the EGR eliminated, but didn't want to give up the quick warmups provided by EGR flow through the EGR cooler. So Bob devised a tune that allows EGR to operate as designed until coolant temperature gets to 150 degrees, then defeats it using the tune. EGR can only intervene if exhaust gas temperature gets dangerously high. I also installed an oil catch can and water/meth injection to avoid/remove carbon build-up.

Bob's tune has given me far better throttle response and wonderful power. As a welcome bonus, fuel economy has improved about 15%! The graph and photo below tell the whole story. Torque is strong at 2200 rpm and keeps climbing all the way to about 3500. This increasing, rather than flat, torque curve has my acceleration intensifying as I speed up. Love it!

Name:  335d Dyno Tune Results small.jpg
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Name:  Economy Record small.jpg
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      03-05-2016, 10:31 PM   #2
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Damn that's pretty awesome!
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      03-05-2016, 11:08 PM   #3
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Quote:
Originally Posted by QUIKDZL View Post
Got my car back from BPC with my custom stage 2 tune, and the best word to describe it is AWESOME. I wanted as much power as I could safely get while keeping my DPF and SCR intact. I don't want a smokey, smelly car.

I also wanted the EGR eliminated, but didn't want to give up the quick warmups provided by EGR flow through the EGR cooler. So Bob devised a tune that allows EGR to operate as designed until coolant temperature gets to 150 degrees, then defeats it using the tune. EGR can only intervene if exhaust gas temperature gets dangerously high. I also installed an oil catch can and water/meth injection to avoid/remove carbon build-up.

Bob's tune has given me far better throttle response and wonderful power. As a welcome bonus, fuel economy has improved about 15%! The graph and photo below tell the whole story. Torque is strong at 2200 rpm and keeps climbing all the way to about 3500. This increasing, rather than flat, torque curve has my acceleration intensifying as I speed up. Love it!

Attachment 1376777 The PDF explains the legends.

Attachment 1376783

Attachment 1376782
Curious - what did that cost you, total out the door? That's awesomesauce.
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      03-06-2016, 01:36 AM   #4
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Wow. Was goin to install the block off plates but I'm wondering if disabling after certain coolant temp would be better.... What to do, what to do....
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      03-06-2016, 08:46 AM   #5
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I live in Minnesota, where it's not uncommon to reach -30 below temps, and have at least 7 consecutive days and up to 20 or more when the temp never gets above freezing. I installed the block off plates 2 years ago and have never had a problem with car warming up. Although, I do park the car in my garage that rarely gets below 30 degrees. Personally I will never run a diesel car with an active egr, maby with this mod and meth injection it MIGHT stay clean? But I can think of many better ways of spending 1-3000$ for future walnut blasts like... Hybrid turbos, coilovers, locking rear diff, wheels, exhaust.... Man, I need to find some cheaper hobbies lol!
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      03-06-2016, 09:37 AM   #6
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Very impressive!
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      03-06-2016, 11:13 AM   #7
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Rod Stewart
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      03-06-2016, 12:12 PM   #8
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Originally Posted by Mrdeezy
Rod Stewart
Hahahhaa
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      03-06-2016, 01:40 PM   #9
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This looks exactly like something I'd want for my own car. I've been cruising for a tune that stops the egr, but keeps my dpf and scr operating.

Looks good. Could you explain what the different dyno runs are? I looked in your pdf and didn't see anything. I'm assuming red is stock, but I'm not sure what the other runs were.
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      03-06-2016, 02:08 PM   #10
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Quote:
Originally Posted by Thecastle View Post
This looks exactly like something I'd want for my own car. I've been cruising for a tune that stops the egr, but keeps my dpf and scr operating.

Looks good. Could you explain what the different dyno runs are? I looked in your pdf and didn't see anything. I'm assuming red is stock, but I'm not sure what the other runs were.
RED: Stock
BLUE: JBD @ 100%
GREEN: BPC Stage II With Emissions still installed & Software EGR Delete
DARK BLUE: BPC Custom Meth Injection tune, 30/70 Mix, 650cc/min
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      03-06-2016, 02:49 PM   #11
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That is nice... That is exactly the tune I am looking for on my car
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      03-06-2016, 07:14 PM   #12
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Is that a true mpg? If so what distance, just 80 miles? What are you getting per full tank fill up more importantly. I've had the computer average some incredibly high efficiency on a short highway stint, but that says nothing for overall efficiency over distance.
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      03-07-2016, 07:41 AM   #13
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Quote:
Originally Posted by larrysing View Post
Curious - what did that cost you, total out the door? That's awesomesauce.
+1
I'm interested in the same tune.
Currently I am stock with jbd.
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      03-07-2016, 10:10 AM   #14
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Quote:
Originally Posted by 135i_vs_ View Post
+1
I'm interested in the same tune.
Currently I am stock with jbd.
Are you looking to do the Meth injection + the EGR delete & keep other emissions active?
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      03-07-2016, 12:11 PM   #15
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Quote:
Originally Posted by Bob@BPC View Post
Are you looking to do the Meth injection + the EGR delete & keep other emissions active?
I would like to keep stock components on. Keep EGR active during warm up phase and if temperatures get too hot.

I am contemplating on Meth, since it helps to keep things clean. I am liking that 348hp whp #.

I also need to make sure all Monitors will be Ready. For NYS, only 1 not-ready monitor is allowed. I noticed it is possible to make them N/A (not available). That might be OK, since the Inspection station would just simply assume that parameter is not required to be monitored for emissions.
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      03-07-2016, 12:26 PM   #16
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Quote:
Originally Posted by 135i_vs_ View Post
I would like to keep stock components on. Keep EGR active during warm up phase and if temperatures get too hot.

I am contemplating on Meth, since it helps to keep things clean. I am liking that 348hp whp #.

I also need to make sure all Monitors will be Ready. For NYS, only 1 not-ready monitor is allowed. I noticed it is possible to make them N/A (not available). That might be OK, since the Inspection station would just simply assume that parameter is not required to be monitored for emissions.

I have several stage II/+ tunes running around NY, I'll pm them and see if I can get an answer for you.
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      03-07-2016, 12:59 PM   #17
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Quote:
Originally Posted by GaryE30 View Post
Is that a true mpg? If so what distance, just 80 miles? What are you getting per full tank fill up more importantly. I've had the computer average some incredibly high efficiency on a short highway stint, but that says nothing for overall efficiency over distance.
It seems to be Gary. I know my computer is calibrated correctly (posted about that earlier), but it might need to be recalibrated now. I'm on vacation in Florida this week in my wife's car, so I've only gotten to drive mine about 300 miles since I got it from BPC.

The first 200 miles was a highway run from Raleigh to Greenville, SC. Unbelievably, I got 46.1 mpg on that trip. It was with cruise set on 75 as much as possible, and included a really fun humility lesson for a Mustang and Charlotte gridlock. The next run was the one I posted here--80 miles of interstate with cruise at 75 as much as possible. I drove it hard Saturday for about 20 miles for fun and it went through a regen, so I didn't even look at the MPGs. I'll start posting about the economy next week.
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      03-07-2016, 03:21 PM   #18
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Wow! Boost in power, emissions compliant (software checks at least), and EGR turned off? Sounds like the best of all worlds! I am really considering this. Bob@BPC can you do remote flashing if I send in my ECU?
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      03-07-2016, 03:36 PM   #19
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Quote:
Originally Posted by Dazza335iC View Post
Wow! Boost in power, emissions compliant (software checks at least), and EGR turned off? Sounds like the best of all worlds! I am really considering this. Bob@BPC can you do remote flashing if I send in my ECU?
Yes, I can flash the DDE here on the bench
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      03-07-2016, 03:54 PM   #20
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Quote:
Originally Posted by 135i_vs_
Quote:
Originally Posted by Bob@BPC View Post
Are you looking to do the Meth injection + the EGR delete & keep other emissions active?
I would like to keep stock components on. Keep EGR active during warm up phase and if temperatures get too hot.

I am contemplating on Meth, since it helps to keep things clean. I am liking that 348hp whp #.

I also need to make sure all Monitors will be Ready. For NYS, only 1 not-ready monitor is allowed. I noticed it is possible to make them N/A (not available). That might be OK, since the Inspection station would just simply assume that parameter is not required to be monitored for emissions.
I have had zero issues with the NYSI. I just got my car inspected last month at a random inspection site.
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Deleted, ATM I/C and tuned by B.R.R.
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      03-07-2016, 05:51 PM   #21
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I timed that YouTube video 335d they have advertised on the diesel page on their website. Looked to be 3.68 seconds to 60 mph. RIDICULOUS !!!
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      03-08-2016, 01:01 PM   #22
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That seems like a great way to go. Who really wants a stinky, smokey diesel ? I sure don't.
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