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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 > JB Diesel Tuner 335D WOW



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      11-29-2010, 12:55 AM   #23
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Quote:
Originally Posted by emoney335 View Post
Here is a run with the JB @ 100%



Also if you look at this video of a tuned 2010 S4 From 60-100 MPH vs the JB 335D,
pretty close in acceleration unless my eyes are really bad.

The look reasonably close. The S4 is around 8.5 sec. You started a little above 40 mph, so yours is around 9 seconds going from about 45-105. Next time start at or before 40mph and see what the split is up to 100mph. Pretty damn impressive though. And those are tuned SC S4s?? Crazy..I would like to see video on a stock one, because they are faster than a stock 335i.

As always, if you just listen to the engine sounds, you would think the Audi is twice as fast as the 335d.
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      11-29-2010, 12:37 PM   #24
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Have you noticed any gains or losses in fuel economy?

My dad just got an X5 35d and is looking for ways to make it more fuel efficient, I am fairly certain that the mileage will decrease based on what Mike said the chip does. But is there a way to turn the pot negative, and turn down the turbos and injectors? Mike, any comments?
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      11-29-2010, 01:02 PM   #25
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WOW indeed. It looks about the same as the tuned S4 to me, as well, and my stopwatch agrees. Very impressive when you consider the sort of mpg the 335d is getting compared to the s4.
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      11-29-2010, 01:48 PM   #26
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Quote:
Originally Posted by azwillnj View Post
Have you noticed any gains or losses in fuel economy?

My dad just got an X5 35d and is looking for ways to make it more fuel efficient, I am fairly certain that the mileage will decrease based on what Mike said the chip does. But is there a way to turn the pot negative, and turn down the turbos and injectors? Mike, any comments?
Will watch the vid later, can't wait to see it. Fast car is fast!

why would you wanna make it slower?? and its already VERY efficient. What kind of mileage is he seeing?
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      11-29-2010, 05:08 PM   #27
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nice! so how much torque does a tuned 335d make?
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      11-29-2010, 06:28 PM   #28
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Ok cool I did not know if my eyes were playing tricks on me. Yea I'll make a couple of more videos when I get a chance. Fuel mileage is about the same according to the car's computer. If you drive the car hard the fuel mileage goes down for sure. With my wife commuting mixed hwy and city we are seeing 28mpg with some hard driving in between.
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      11-29-2010, 09:01 PM   #29
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Any quicker in DS?

Throwing any codes at 100%?

What is the exclamation light that is on next to the "D?"
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      11-30-2010, 05:30 PM   #30
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I have not had the check engine light come on. I'm sure with the scan tool I can see codes if any that have been thrown . The exclamation is the DSC light letting you know that it is inactive. I don't know if DS/Manuel mode is any quicker I'll have to try it and see.
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      12-04-2010, 03:38 PM   #31
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Here is another video starting at around 20 mph.


Last edited by emoney335; 12-06-2010 at 02:09 AM. Reason: video did not work
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      12-04-2010, 06:20 PM   #32
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How about a run from a dead stop so we can time it to 60? Launch it at about 2200 RPM!
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      12-27-2010, 12:45 PM   #33
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I just purchased my JBD a few days before Christmas and should have it in the mail today! I can't wait to install it and see what it can do!
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      12-27-2010, 12:49 PM   #34
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Sorry to jack a little but i keep hearing about JB i take it as a tuning box but what about one for the 318D do they make one????? mine has been mapped but i want more!
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      12-27-2010, 02:26 PM   #35
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Quote:
Originally Posted by Sailor737 View Post
I just purchased my JBD a few days before Christmas and should have it in the mail today! I can't wait to install it and see what it can do!
Definetly post a review when you get it

Mike
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      12-27-2010, 03:08 PM   #36
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Quote:
Originally Posted by Mike@N54Tuning.com View Post
Definetly post a review when you get it

Mike
Mike,

Is there any concern regarding the transmission life/durability with a JBD? Only reason I ask is the 6HP26 tranny is rated to a max input of 443 lb/ft of torque. JBD exceeds this even on the lowest settings.
What do you think?
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      12-28-2010, 09:38 PM   #37
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Quote:
Originally Posted by jaybird124 View Post
Mike,

Is there any concern regarding the transmission life/durability with a JBD? Only reason I ask is the 6HP26 tranny is rated to a max input of 443 lb/ft of torque. JBD exceeds this even on the lowest settings.
What do you think?
I would like to hear what Mike and BMS have to say too.
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      12-28-2010, 10:00 PM   #38
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Quote:
Originally Posted by jaybird124 View Post
Mike,

Is there any concern regarding the transmission life/durability with a JBD? Only reason I ask is the 6HP26 tranny is rated to a max input of 443 lb/ft of torque. JBD exceeds this even on the lowest settings.
What do you think?
No concerns at all. It's proving to be quite durable.

Mike
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      12-29-2010, 07:58 PM   #39
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Quote:
Originally Posted by jaybird124 View Post
Mike,

Is there any concern regarding the transmission life/durability with a JBD? Only reason I ask is the 6HP26 tranny is rated to a max input of 443 lb/ft of torque. JBD exceeds this even on the lowest settings.
What do you think?
Hey jaybird, I could be mistaken on this but I thought the 335d carried the ZF 6hp28 which is rated to 700Nm (approx. 515 lb-ft)... and that the 335i had the 6hp26 rated at 443. It was my understanding that we shared the same tranny as the 550i and 750i which come stock at 450 lb-ft.

If somebody knows for sure, please chime in. I'll try to dig a little more later.
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      12-29-2010, 09:09 PM   #40
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I think so, but I'm not 100% sure
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      12-30-2010, 09:49 AM   #41
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Quote:
Originally Posted by Rambler View Post
Hey jaybird, I could be mistaken on this but I thought the 335d carried the ZF 6hp28 which is rated to 700Nm (approx. 515 lb-ft)... and that the 335i had the 6hp26 rated at 443. It was my understanding that we shared the same tranny as the 550i and 750i which come stock at 450 lb-ft.

If somebody knows for sure, please chime in. I'll try to dig a little more later.
Thanks for clarifying, I thought I read it was higher somewhere too. I would be surprised if BMW put a transmission in that has a max rating so close to the peak torque output.
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      12-30-2010, 10:26 AM   #42
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Quote:
Originally Posted by Mike@N54Tuning.com View Post
Diesels don't have timing but the JBD raises the boost slightly and increases the fueling. The result is better throttle response, great power gains, and a big grin post install.

Mike
technically the timing is fuel duration/when its injected in the cycle. So by altering the duration of the fuel injected you are changing the timing a bit
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      01-02-2011, 05:11 PM   #43
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Quote:
Originally Posted by Rambler View Post
Hey jaybird, I could be mistaken on this but I thought the 335d carried the ZF 6hp28 which is rated to 700Nm (approx. 515 lb-ft)... and that the 335i had the 6hp26 rated at 443. It was my understanding that we shared the same tranny as the 550i and 750i which come stock at 450 lb-ft.

If somebody knows for sure, please chime in. I'll try to dig a little more later.
Earlier build 335d's (until 2009/08/28) had the ZF 6HP26Z or TU (technical upgrade) which thereafter was re-designated the 6HP28 (http://appsprod01.zf.com/zf.productD...28_de_2006.pdf). The 6HP26/6HP28 is also found on the E65 7-series and E70 X5 4.8i's. The 6HP28 is a very nice transmission, with a good overall step ratio of 6.04 (between 4.17:1 1st gear to 0.69:1 6th gear).


335i has always had a variant of the 6HP19: The 6HP21
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      01-02-2011, 05:41 PM   #44
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Quote:
Originally Posted by jaybird124 View Post
Earlier build 335d's (until 2009/08/28) had the ZF 6HP26Z or TU (technical upgrade) which thereafter was re-designated the 6HP28 (http://appsprod01.zf.com/zf.productD...28_de_2006.pdf). The 6HP26/6HP28 is also found on the E65 7-series and E70 X5 4.8i's. The 6HP28 is a very nice transmission, with a good overall step ratio of 6.04 (between 4.17:1 1st gear to 0.69:1 6th gear).


335i has always had a variant of the 6HP19: The 6HP21
how sure of you of this info? Mine is build date of 10/20/2009 so i guess i got the 6HP28 which is good to know!
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