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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 > 335i Steptronic - 350 lbft max. torque V2 map



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      09-18-2007, 04:43 PM   #45
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i was reading in a magazine and in this forum that someone posted, that bmw said alot of TQ is available from the engine, but they dont have a Tranny that will hold all that TQ and fit in the 335i.
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      09-18-2007, 07:04 PM   #46
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Quote:
Originally Posted by 5sokol335icoupe View Post
i was reading in a magazine and in this forum that someone posted, that bmw said alot of TQ is available from the engine, but they dont have a Tranny that will hold all that TQ and fit in the 335i.
Yeaa...BMW is starting to suck horribly. First, they have the tricy "free service", then the low TQ capacity tranny, and then they release the 135i, 400lbs lighter and about 2/3 the price:mad:
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      09-18-2007, 07:13 PM   #47
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Originally Posted by rideelement247 View Post
Yeaa...BMW is starting to suck horribly. First, they have the tricy "free service", then the low TQ capacity tranny, and then they release the 135i, 400lbs lighter and about 2/3 the price:mad:
Don't spread bad info...the 135i is NOT 400lbs. lighter! According to some documentation, the 135i is ~ 80-100lbs. lighter than the 335i, but may also have a more-restrictive (non-true dual) exhaust, similar to the 535i's exhaust. Yes, it will be less expensive than the 335i, as it should be...look at it and what comes std. (or doesn't) in it.
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      09-18-2007, 07:29 PM   #48
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Originally Posted by qbert65536 View Post
ZF ?
http://www.zf.com/content/en/import/...tartseite.html

they make for high end car.
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      09-18-2007, 08:58 PM   #49
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Originally Posted by sflgator View Post
Don't spread bad info...the 135i is NOT 400lbs. lighter! According to some documentation, the 135i is ~ 80-100lbs. lighter than the 335i, but may also have a more-restrictive (non-true dual) exhaust, similar to the 535i's exhaust. Yes, it will be less expensive than the 335i, as it should be...look at it and what comes std. (or doesn't) in it.
sry mave been misinformed on the weight. Yea it has alot less features...but still it is audacious of BMW to plop the same engine with turboes into a 27k car vs a 40k - 45k car. I don't think out options are worth that much.

The only thing I'm glad about is the "sad-eyes" headlights BMW gave it. It looks like a feminine car, not mean at all IMO
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      09-18-2007, 09:57 PM   #50
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Quote:
Originally Posted by judec
Needless to say, it's not that difficult for anyone to see U have no idea what are U talking about. The 6HP28 is not a diesel tranny, I dunno where did U get that idea. It's a top notch tranny mounted to a diesel engine, that's a diference.

It was a theoretical discussion about swapping a 6HP21 for a 6HP28 (or some parts, based on Eugens info). First U have to know whether it is possible at all, than U can procede to further steps like dealing with gear ratios, compuers etc., but it's useless to tell U cuz U have no freakin' idea about the topic.

I'm not going to react to any of your further posts. Get adult, than get information, than we can talk. Howgh.

533ogetnom said

"right having a 5:1 + first gear would go GREAT in the 335"


For 533ogetnom
First of all since the diesel engine turns fewer rpms max the ratio would be lower not higher as 533ogetnom suggests. He also seems to have forgotten about the rear axle ratio. If you follow this link it shows the specs for the european E9x cars. This includes the model number of the transmission and the gear ratios including the final drive ratio. Guess what both the 6hp19 tu and the 6hp26 tu have the same internal gear ratios. The difference is the final drive ratio which is 3.46 for the 335i and 2.81 for the 335d.

http://www.e90post.com/forums/attach...8&d=1166464653
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      09-19-2007, 12:48 AM   #51
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Quote:
Originally Posted by BoostedInPhx View Post
Quote:
Originally Posted by judec
Needless to say, it's not that difficult for anyone to see U have no idea what are U talking about. The 6HP28 is not a diesel tranny, I dunno where did U get that idea. It's a top notch tranny mounted to a diesel engine, that's a diference.

It was a theoretical discussion about swapping a 6HP21 for a 6HP28 (or some parts, based on Eugens info). First U have to know whether it is possible at all, than U can procede to further steps like dealing with gear ratios, compuers etc., but it's useless to tell U cuz U have no freakin' idea about the topic.

I'm not going to react to any of your further posts. Get adult, than get information, than we can talk. Howgh.

533ogetnom said

"right having a 5:1 + first gear would go GREAT in the 335"


For 533ogetnom
First of all since the diesel engine turns fewer rpms max the ratio would be lower not higher as 533ogetnom suggests. He also seems to have forgotten about the rear axle ratio. If you follow this link it shows the specs for the european E9x cars. This includes the model number of the transmission and the gear ratios including the final drive ratio. Guess what both the 6hp19 tu and the 6hp26 tu have the same internal gear ratios. The difference is the final drive ratio which is 3.46 for the 335i and 2.81 for the 335d.

http://www.e90post.com/forums/attach...8&d=1166464653


diesels usually have wide gears in their transmission as well as lower geared rear ends which meens the transmission gearing has to be higher, just because it may be an excpetion to the rule doesnt make it the norm

and we were talking about the 28, i looked up its gearing and while not that different, its still different enough to not be very compatible with the 335 past 3rd
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      09-19-2007, 03:03 AM   #52
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      09-19-2007, 05:28 AM   #53
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I just read an article on the Alpina 335 (B3) and the car is only available with the ZF automatic as Alpina states that the manual will not take the torque from the like the auto. The B3 is 367ft/lbs, looks like if you have an step you are ok, but should be more worried about the torque with the stick as BMW and Alpina won't raise torque with a manual.
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      09-19-2007, 05:41 AM   #54
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Quote:
Originally Posted by roadkillrob View Post
I just read an article on the Alpina 335 (B3) and the car is only available with the ZF automatic as Alpina states that the manual will not take the torque from the like the auto. The B3 is 367ft/lbs, looks like if you have an step you are ok, but should be more worried about the torque with the stick as BMW and Alpina won't raise torque with a manual.
Wheres this article located? Have a link?
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      09-19-2007, 06:22 AM   #55
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Plan for around $8000. Why would you want to risk this? Get an M3 for that $$$

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Originally Posted by Dascamel View Post
So if I thrash my step tranny, how much does a new one cost )
I have had two dead steptronics in my E46 330ci. the last time I had to pay out of pocket and the tranny was $6000 brand new (Too much for a P.O.S GM unit prone to failure with zero abuse by the way.)

So, a ZF unit in a 335 might run you around $8000 + labor. Not cheap by any means. If you need that much juice, why risk it? Get an M3 for the $$$ and be at peace with the warranty issues and a better car IMO.
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      09-19-2007, 06:46 AM   #56
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Exclamation Dude I am with you on this one! You know what you are saying.

Quote:
Originally Posted by MBMWTECH View Post
Just a tidbit of info - in my experience bmw auto transmission are weak in general - usually only lasting about 60 to 80000 miles under normal driving conditions. Only time will tell how long our autos will last with the v2.

Im not tuning back at all - I will let you know how long it lasts

Just some info on automatic transmission:
Trans is $5252.77 Trans only
Installed is $ 7074.77
Ok guys please listen to this guy. My E46 330ci has 123K and is on its 3rd Steptronic. Unlike the lying dealers who all claim "this is the first failed unit I have seen" Maybe BMW would punish them for admit such an expensive piece is problematic? I found a group that was forming to sue BMW over failed Steptronics. Total crap and I am hoping the 335i one does not turnout to be yet more crap from BMW. I really am holding my breath so I know when to ditch the car.
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      09-19-2007, 06:56 AM   #57
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Quote:
Originally Posted by vase330 View Post
Ok guys please listen to this guy. My E46 330ci has 123K and is on its 3rd Steptronic. Unlike the lying dealers who all claim "this is the first failed unit I have seen" Maybe BMW would punish them for admit such an expensive piece is problematic? I found a group that was forming to sue BMW over failed Steptronics. Total crap and I am hoping the 335i one does not turnout to be yet more crap from BMW. I really am holding my breath so I know when to ditch the car.
Im not saying that all bmw trannies are crap - and not eveyone will fail at 60-80000 miles - its just that im my experience thats when (the ones that will fail generally go) I have seen many cars with over 150000 miles on them with original transmissions. If your really concerned with auto trans life - i suggest a transmission fluid change at about 40 to 50000 miles (you will have to pay for it) - bmw says life time but I cant hurt to try to prolong your tranny life.

Also gm's seem worse than the ZF - The transmissions seem to be holding up better these days then a few years ago so we will just have to see.
I havnt even seen 1 e90 auto trans fail yet. e46/e53 seemed to be much more problematic (even early in there life span)
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      09-19-2007, 07:12 AM   #58
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You got it man, mine first failed with 90 miles on the car.

I should have known I was in for a rough ride. The initial one failed second day after I picked up the car. 90 miles on it, paint barely dry and car needed new tranny. I tried to lemon it, but BMW refused. Giving me instead a written promise of a new car exchange at no cost if drivetrain component failed in the next 18000 miles. I should have traded the P.O.S there and then, but I had no idea and after another 20K miles all was forgotten and perhaps forgiven. At 110K miles, the tranny went. Now I had to pay for it out of pocket. It also turned out a workmate with a 330i sedan with about 85K miles had the same exact thing happen to them. (Theirs held up to 83K miles) and he was selling the car. Mine had 110K and a dead tranny, so after replacing it, I thought smarter to keep it for a beater and when it goes next (Probably close to 200K miles?), I will junk the then worthless car. It does seem to be a very common E46 issue despite the claims to the contrary.
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      09-19-2007, 07:27 AM   #59
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Another good reason to lease.. abuse the hell out of the car... and return it worry free in 3 years.
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      09-19-2007, 11:14 AM   #60
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Quote:
Originally Posted by roadkillrob View Post
I just read an article on the Alpina 335 (B3) and the car is only available with the ZF automatic as Alpina states that the manual will not take the torque from the like the auto. The B3 is 367ft/lbs, looks like if you have an step you are ok, but should be more worried about the torque with the stick as BMW and Alpina won't raise torque with a manual.
damn... where is the BS flag when you need it?
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      09-19-2007, 11:22 AM   #61
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Quote:
Originally Posted by roadkillrob View Post
I just read an article on the Alpina 335 (B3) and the car is only available with the ZF automatic as Alpina states that the manual will not take the torque from the like the auto. The B3 is 367ft/lbs, looks like if you have an step you are ok, but should be more worried about the torque with the stick as BMW and Alpina won't raise torque with a manual.
Still no link????
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      09-19-2007, 11:33 AM   #62
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Hi,

Did some homework and I am very happy about the results.

Not exceeding 350 lbft @ the wheels will provide ~ 395 hp / crank and ~ 535 nm / crank. PROcede V2 alone can easily provide these numbers.

However, I will support the PROcede ECU tune with RISS catted downpipes and a Spearco FMIC. Maybe Supersprint mufflers later. In any case I will not go over 350 lbft @ the wheels with my Steptronic 335i.

I am sure this will give a very nice and reliable tune .

I will keep you informed about my progress. Might be interesting for all of us who don't race. It will be simply "The better Alpina B3" . No M3 killer, probably close to or equal a V8 stock M3.

Numers are for 93 octane gas.

- Eugen

Last edited by e.n335; 09-19-2007 at 12:24 PM..
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      09-19-2007, 12:41 PM   #63
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Quote:
Originally Posted by Shinchan View Post
Another good reason to lease.. abuse the hell out of the car... and return it worry free in 3 years.
I was just laughing inside when you said what I was thinking. Here...here..:rocks:
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      09-19-2007, 12:54 PM   #64
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I was just laughing inside when you said what I was thinking. Here...here..:rocks:
A car today has a lifecycle between 8 to 13 years or more. When you destroy it because "it's just a lease" this might work for you but not for our ressources available, a little bit of thinking is not forbitten. Especially when you'r posting as "lambofgod".

Have fun !

- Eugen
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      09-19-2007, 12:58 PM   #65
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Quote:
Originally Posted by e.n335 View Post
Hi,

Did some homework and I am very happy about the results.

Not exceeding 350 lbft @ the wheels will provide ~ 395 hp / crank and ~ 535 nm / crank. PROcede V2 alone can easily provide these numbers.

However, I will support the PROcede ECU tune with RISS catted downpipes and a Spearco FMIC. Maybe Supersprint mufflers later. In any case I will not go over 350 lbft @ the wheels with my Steptronic 335i.

I am sure this will give a very nice and reliable tune .

I will keep you informed about my progress. Might be interesting for all of us who don't race. It will be simply "The better Alpina B3" . No M3 killer, probably close to or equal a V8 stock M3.

Numers are for 93 octane gas.

- Eugen
I think you might be a little off. On my v1.4 dyno graph, peak hp is reached from 53-5900 rpm. At which point wtq is only 315, I would imagine with V2 running at 100% from 5-6500 rpm wtq wouldn't be above 350 which would be 35 more then my v1.4. FTR, my max wheel torque on this dyno was 383.

These are 91 octane numbers.
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      09-19-2007, 01:04 PM   #66
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Quote:
Originally Posted by e.n335 View Post
A car today has a lifecycle between 8 to 13 years or more. When you destroy it because "it's just a lease" this might work for you but not for our ressources available, a little bit of thinking is not forbitten. Especially when you'r posting as "lambofgod".

Have fun !

- Eugen
Completely OT here but I'm guessing Lamb of God refers to the band, but I've been wrong before (good band though).
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