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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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      06-07-2012, 11:40 AM   #45
tonyteam
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I never heard of a gearbox failure in our cars due to power increase. My car has the ZF 6HP26 (600nm limit) and put down in the last dyno 404hp and 833nm on a MAHA LPS3000 considered by the experts as the most accurate dyno. After that, the IC piping was improved (complete 60mm stainless steel piping with EGR and butterfly housing bypass) followed with a little ecu tweaking.

The gearbox is just a bit sluggish on upshifting at wot because it revs pretty quick and hits the redline a lot stronger than stock, but at manual/sequential shifting it is normal.

The gearbox has over 100k miles with the torque above the manufacturer limit and never had a problem but the oil and filter is religious changed every 30k miles.

It is insane the potencial of these engines. My turbos is still stock and i can keep up already with very fast cars like a stock Porsche 996 turbo. I'm curious to see your results with the WMI.
but why tiago put 833nm on a ridicoloous 600nm gearbox?
what you need, if when you are @ full throotle you run between 4000 and 5000rpm you have "only" 700nm of maximium torque?
833nm @ medium rpm destroy gearbox ONLY..
another 535d car with 404hp , and 700nm, run fast how your car, because @ full throttle aumatic gearbox change gear @ 5000rpm, and the rpm drop down to 4000, and ri-up to 5000.
in this range , it need torque!!! not before...before destroy che gearbox..
limit your torque @ 720nm....you run faster , how now, but you give a new life for your gearbox!
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      06-07-2012, 12:41 PM   #46
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I'd do it... too bad I'm nowhere near CA.
Same here, Why does it have to be so far away!! But I got no wife to tell me NO!!! Ha
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      06-07-2012, 10:24 PM   #47
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but why tiago put 833nm on a ridicoloous 600nm gearbox?
what you need, if when you are @ full throotle you run between 4000 and 5000rpm you have "only" 700nm of maximium torque?
833nm @ medium rpm destroy gearbox ONLY..
another 535d car with 404hp , and 700nm, run fast how your car, because @ full throttle aumatic gearbox change gear @ 5000rpm, and the rpm drop down to 4000, and ri-up to 5000.
in this range , it need torque!!! not before...before destroy che gearbox..
limit your torque @ 720nm....you run faster , how now, but you give a new life for your gearbox!
Pardon?
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      06-08-2012, 12:31 AM   #48
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my english is not so good, but i think that is comprensible
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      06-08-2012, 11:53 AM   #49
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Pardon?
He's basically asking why so much power when our boxes are rated at 600nm. Then I guess goes into the technical aspects of it lol, and suggests we should limit the power just saying haha. But in all honesty I think our boxes can handle a lot more than 600nm it just takes somone willing to find the physical limit.
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      06-08-2012, 12:04 PM   #50
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in russia, a guy with 272cv tuned to 750nm has destroyed 6 gearbox automatic...
limit the torque medium range, max 700nm ...the car and gearbox are and the performance remain the same, because when you are @ wot use only the 4000-5000rpm Range (where the nm of torque are less, max 700nm )
stop off topic: news for the meth kit?
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      06-12-2012, 03:33 AM   #51
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Emailed Terry. We'll see what he says.
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      06-12-2012, 09:54 AM   #52
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good ron1n
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      06-13-2012, 02:56 AM   #53
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Work in progress. I have something I need to do to my car first, but once that's done, this will happen. Working out the logistics now.
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      06-14-2012, 10:41 AM   #54
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Quote:
Originally Posted by tonyteam View Post
in russia, a guy with 272cv tuned to 750nm has destroyed 6 gearbox automatic...
limit the torque medium range, max 700nm ...the car and gearbox are and the performance remain the same, because when you are @ wot use only the 4000-5000rpm Range (where the nm of torque are less, max 700nm
It goes above 800nm during 2800-3300rpm and 400hp during 3800-4400rpm. At 4000rpm the tq is 700nm and at 4600rpm is 600nm. There is alot of factors that can lead to a automatic gearbox failure. Even at stock form you can destroy a gearbox.
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      06-14-2012, 10:44 AM   #55
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i now tiago , i now also the distrubution of torque is important for gearbox health
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      06-22-2012, 11:44 AM   #56
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news on kit meth on 335d ? i want see a result!
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      06-22-2012, 05:07 PM   #57
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Me too! Me too!
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      06-22-2012, 07:29 PM   #58
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Contacted a local fab company to discuss getting the prework done, before going to see Terry. Soon (TM)
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      07-25-2012, 11:58 AM   #59
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sorry for the question and bad american english...someone has just tried a w/meth kit on a x35d?
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      07-25-2012, 12:19 PM   #60
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tonyteam and tiago if not mistaken doesnt the 335d with DSC OFF DS mode M2 throw hefty torque numbers, I sure pressed my "D" on M2 from stanstill out the road and the Bastard turned into an animal had to control the oversteer by redirecting the front wheels and could leave at least a minimum of 5 feet of rubber on the road with my RENNtech flash, correct me on this also Chris or anymone
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      07-25-2012, 02:53 PM   #61
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Sounds about right Axel. I always drive with traction control off and mostly in DS-- it's easier on the rear brake pads too.
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      07-25-2012, 07:02 PM   #62
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Thanks
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      07-25-2012, 09:21 PM   #63
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Any updates?
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      07-26-2012, 05:46 AM   #64
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Updates please!
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      07-26-2012, 06:00 AM   #65
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tonyteam and tiago if not mistaken doesnt the 335d with DSC OFF DS mode M2 throw hefty torque numbers, I sure pressed my "D" on M2 from stanstill out the road and the Bastard turned into an animal had to control the oversteer by redirecting the front wheels and could leave at least a minimum of 5 feet of rubber on the road with my RENNtech flash, correct me on this also Chris or anymone
yeah , but it's off topic ...please only update about w/meth on diesel , result, dyno etc
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      07-26-2012, 07:07 AM   #66
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tonyteam although OFF topic whereareas is good to mention to all of you's. A rule of thumb is to be patient on these things 'cause of time and Dinero!! Something that sometimes is NOT available. So amico ragazzo cojelo suave(take it easy)
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