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BMW 3-Series (E90 E92) Forum
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Any downsides with auto 335i in terms of performance mods?
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07-05-2009, 01:15 PM | #23 | ||
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I'm all up for the DCT in the M3, and that's my plans in a couple years after my extended warranty runs out, but there's a part of me that wants to stick with the manual since it's so fun to drive and because the maintenance and parts on it in comparison is so inexpensive.
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07-05-2009, 01:29 PM | #24 | |
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Absolutely right. A clutch and flywheel are not inexpensive. And I have seen a car break 3 axles in a row with the manual trans and DRs. The thousands spent there probably would have been $0.00 with the automatic trans.
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2019 i3s Terra, 2008 Black 335i Sedan. 11.11@ 129.47 mph 2008 Monaco Blue JB3 2.0 335i Coupe. 11.33 @ 132.77 mph, 60-130mph: 6.95 seconds 2023 i4 M50 11.48 @ 121.56mph, 3.43 0-60 (dragy) |
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07-05-2009, 01:57 PM | #25 |
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i would never buy an auto sports car.. it really doesn't matter if an auto is faster... fun factor 0... wow you can step on a pedal and beat me by two sec.. lmao... my friend has a gtr, lets me drive it, its fkn sick!!!!
BUT- unless they make it stick, i would never buy one to each their own like always
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07-05-2009, 03:09 PM | #26 |
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Yeah, that silly Ferrari Enzo with its auto gear box. Not a sports car at all.
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07-05-2009, 03:43 PM | #27 | |
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as i remember, the disel auto tranny is rated for alot more torque. maybe the way to go is with aftermarket turbos and /or other mods that get us past (say) 550+ whp, ... then someone needs to gp and buy a 335 disel auto tranny and see how it works in a N54 335 ??
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07-05-2009, 04:57 PM | #28 |
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ahahah you guys actually think auto is faster?!?!?! thats so funny manual ofcourse is faster look up any 0-60 times manual is always noticably faster thats so funny how u guys this auto is faster
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07-05-2009, 06:31 PM | #29 | |
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that the auto tranny is approx 2 tenths of a second faster (2 car lengths) in the 1/4 mile than the manual. most if not all of the fastest N54 1/4 track times are with autos. ...also note that the rear differential in the automatic has a 342 final ratio and the auto has something like a 315 final ratio: hence: many people swapping out for aftermarket LSDs are opting for the automatic final differentila ratio. sorry to disappoint, but nothing but the facts...
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07-05-2009, 07:26 PM | #30 |
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Autos are faster. There is a reason most drag cars are auto, and lots of Supra guys are doing TH400 conversions
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07-05-2009, 07:27 PM | #31 | |
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07-05-2009, 07:30 PM | #32 |
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Manual is much more fun.
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07-05-2009, 07:41 PM | #33 |
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do some research before posting stupid stuff. Do you honestly think we are all morons. In the 335i, the manual is funner, but the auto is faster, ahahah
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07-05-2009, 08:18 PM | #35 |
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thats real shifting, and there are always exceptions!
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car totaled out !!AW335i, oem aero lip, m3 csl rims, oem m3 sides, vorst csl carbon trunk, tinted, lowered on H&R sport, AR DP's, Bastauck dual exhaust, BMS intake, etc
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07-05-2009, 09:11 PM | #36 | ||
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i always love manuals, but i love my (AT) paddle shifters more also, i do not miss the manual at all in rush hour traffic. with the new automatic tranny technology, the only time i would consider a manual now is if i was going to do alot of circuit track racing.
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07-05-2009, 09:18 PM | #37 | |
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According to this page the auto gearbox code for the e92 335i is GA6HP19Z. Curiously, on ZF's website, the lowest code I can find on a gearbox is 6HP21Z and it can hold 450NM of torque Edit: the third page on this pdf (very informative btw) shows the 6HP19Z is rated for 400NM of torque on the input shaft (times .737 for the conversion and you're looking at 298lb/ft). I'd imagine that's the continuous rating so multiply by 1.5x for instantaneous loads and you're probably looking at 450lb/ft as the upper limit for what our auto tranny's can handle. |
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07-05-2009, 09:25 PM | #38 | |
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I ran an MT with a 3.46 rear end and I was quicker.
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07-05-2009, 09:25 PM | #39 |
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btw, i am looking at your signature, what is a 3355 ??
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If your car isn't scary - it's just not fast enough !
RPI IC / UR catless DPs / JB3 2.0 beta / UR CAI / Quaife LSD / Snow Methanol Injection / VK oil cooler upgrade / Forge DVs / M3 rear sway / Riss catch can / Paddle shifting 6AT / M Sport steering wheel / Logic 7 / Dunlop Direzza Z1 255/235 / |
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07-05-2009, 09:29 PM | #40 |
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Looks like the 335D uses the 6HP26, good for about 575NM of torque. Possible upgrade path for anyone with an auto looking to push big power from new snails. FWIW, auto tranny replacement will run you $4,966 according to bmwfans.info. Same site says that a new torque converter will run you $1,466.
Unlikely you'll f'up your entire transmission as I believe autos are designed to have the torque converter fail first, so $1500 isn't the end of the world if you push too much power, especially if you save the drivetrain downstream of the transmission. |
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07-05-2009, 09:33 PM | #41 |
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Also, FWIW, when I first got my car I was like "damn, I should have gotten a manual." Then I spent 2.5hrs on I-4 in bumper to bumper traffic. No longer regret the auto.
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07-05-2009, 09:33 PM | #42 | |
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Trust me. I have an MT and with all everything being equal, an auto is quicker.
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07-05-2009, 11:56 PM | #43 |
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07-06-2009, 12:09 AM | #44 |
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i guess there arent really any downsides of the auto, i say just get one, but if you feel you can shift it fast enough then the MT isnt much slower then the auto imo, and still a shit load more fun
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