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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Anyone thinking a GT37 Single on the new BMW 335i?



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      07-07-2006, 09:18 PM   #1
LSs1Power
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Talking Anyone thinking a GT37 Single on the new BMW 335i?

It would be a monster if done right. I just hope some of the vendors start developing something for the I6 Gas Twin engines.
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      07-07-2006, 10:36 PM   #2
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good luck fitting that in there, didn't they choose 2 small ones due to packaging issues, and to prevent turbo lag
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      07-08-2006, 12:26 AM   #3
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Quote:
Originally Posted by ward
good luck fitting that in there, didn't they choose 2 small ones due to packaging issues, and to prevent turbo lag

I think the 2 small turbos were chosen to generate faster spool up time and better response time more than space.
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      07-08-2006, 07:59 AM   #4
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plus you could also put the turbo back under the rear bumper
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      07-08-2006, 12:57 PM   #5
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Quote:
Originally Posted by ward
plus you could also put the turbo back under the rear bumper
You mean a STS rear mounted turbo? I would never put that turbo on any car other than has anything less than a V8. The resposne from the rear mounted turbo will just kill the BMW spirit.
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      07-09-2006, 05:58 AM   #6
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Good luck with that. According to BMW, they tuned the 335 down to 300 lb.ft because the tranny wasn't strong enough for more.

Unless you have ideas for a replacement tranny.....
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      07-09-2006, 04:42 PM   #7
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Good luck with that. According to BMW, they tuned the 335 down to 300 lb.ft because the tranny wasn't strong enough for more.

Unless you have ideas for a replacement tranny.....
Even the 6spd manual? I thought the 6spd in the E46 has been pushed beyond 300TQ with no problems?
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      07-10-2006, 12:50 AM   #8
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It was mentioned in one of the press releases or articles from BMW. I'll see if I can dig it up.
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      07-10-2006, 10:15 AM   #9
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I'd like to see this as well. Aren't there people with E46 M3s that are modded with over 300 torque with the stock tranny?
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      07-10-2006, 12:08 PM   #10
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      07-10-2006, 01:47 PM   #11
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I think manufacturers rate their trannies conservatively because they plan for it to last under abuse and for a long long long time. For example, a T56 tranny that comes on the Camaro is rated to withstand 450lbs of TQ and the company even have a TQ management limiter on it on anything beyond 350TQ, but im pushing close to 750TQ on it with no problems now (ECU flashed to eliminate TQ management). I only changed the clutch to make it work. Im not saying I want to push the 335 or 535 that far... I was looking more at a 350-400rwhp 400-450rwtq daily driver that is fun to drive and can haul the family in safety and comfort.
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      07-11-2006, 12:07 AM   #12
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I just did a quick search, and I couldn't find the article I was thinking of. I can't remember where I read it either, I've read so much about this damn car in the past few months, both online and in print. I'll keep looking though.

But you're right, BMW is going to be conservative because they want the least amount of failures as possible. Most transmissions and drivetrain components will probably be able to support a good amount more than 300lb.ft. Unfortunately, the usual way to test the limits is to push it until it breaks.

Unless this transmission is used in other cars as well. Then we can cheat and take information from people who have pioneered this sort of thing.
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      07-11-2006, 02:10 AM   #13
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The hardest thing going to be tuning the car. I dont know if any vendors carry a piggy back that runs with the stock PCM. I would like to know how is BMW running the ECU with boost. Are they using a MAP 2 bar sensor or just a MAF?
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      04-25-2014, 02:57 PM   #14
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Quote:
Originally Posted by JO3 View Post
I just did a quick search, and I couldn't find the article I was thinking of. I can't remember where I read it either, I've read so much about this damn car in the past few months, both online and in print. I'll keep looking though.

But you're right, BMW is going to be conservative because they want the least amount of failures as possible. Most transmissions and drivetrain components will probably be able to support a good amount more than 300lb.ft. Unfortunately, the usual way to test the limits is to push it until it breaks.

Unless this transmission is used in other cars as well. Then we can cheat and take information from people who have pioneered this sort of thing.

im at a year now of running upwards of 600wtq on the stock auto just alpina flashed. it slipped a couple times at or over 600wtq but since has been holding again..

the autos are a lot stouter than they are perceived to be
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      04-25-2014, 04:07 PM   #15
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Quote:
Originally Posted by AK 335i View Post
im at a year now of running upwards of 600wtq on the stock auto just alpina flashed. it slipped a couple times at or over 600wtq but since has been holding again..

the autos are a lot stouter than they are perceived to be
Way to resurrect an 8 year old thread
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      04-25-2014, 04:55 PM   #16
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Quote:
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Way to resurrect an 8 year old thread
lol but its important
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      04-26-2014, 09:39 AM   #17
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I was reading this thinking these people really didnt find any info are they daffed or what but then im like oooooooooooooo its from 06
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