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      03-21-2011, 07:08 AM   #23
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12k miles and no issues yet..... knocking on wood
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      03-21-2011, 07:55 AM   #24
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Really interesting stuff in another corner of the internet that may or may not have been pointed to in this thread. Gotta give props to those involved with that project.

So, I wonder how much it would cost to nurse a well-worn Getrag M-DCT back to stock condition? I guess I should read up on all the info and see if that particular point was covererd at all.
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      03-21-2011, 12:21 PM   #25
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geez, 13k? thats like 24% of a new sedan. wow
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      03-21-2011, 12:39 PM   #26
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Quote:
Originally Posted by sameh View Post
Quote:
Originally Posted by Prince_of_Persia View Post
$13K ? are you sure!? that's expensive!
In that case 6MT should be way cheaper to fix, right?

(please don't start about 6MT vs DCT here again, just curious about repair price for 6MT and DCT)
Thank you for reminding every body not to make this a 6MT Vs DCT thread, there is a ton of them already, plus we all know DCT is better
pshhh
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      03-21-2011, 04:55 PM   #27
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I love this thread, I think you guys just saved me $3000, going to stick with 6MT and save 50 lbs as well (+/-).
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      03-21-2011, 05:06 PM   #28
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Funny, I remember reading a while back that the 6MT's had no parts available and could only be replaced, not rebuilt... so give it time and there will likely be parts for DCT once they've been in service long enough to justify a parts market.
Still, I decided to go 6MT partly for reliability and partly just because I think there may not be a choice in the next generation.
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      08-15-2014, 09:24 PM   #29
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Bump!
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      08-16-2014, 12:11 AM   #30
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82k miles and still running strong.
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      08-16-2014, 12:54 AM   #31
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Not very. And cost like $13k to replace.
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      08-16-2014, 01:36 AM   #32
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Bump!
lol
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      08-16-2014, 03:38 AM   #33
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I thought the question was about clutch. Are the oe clutch parts available?

We all know the parts for the dct gearbox itself officially are not. Let's park that for now.
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      08-16-2014, 06:57 AM   #34
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Yes DCT oem clutch packs are available from BMW dealers (including the UK).
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      08-16-2014, 07:17 AM   #35
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Has anyone upgraded their DCT with the SSP clutch pack?

My DCT is fine, regular fluid change, just concerned about all the track time and it's long term effect.

Sorry, thread jacked.
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      08-16-2014, 08:00 AM   #36
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Quote:
Originally Posted by Sandye90m3 View Post
Little bit of a random question. But I love my m3, however at 13k KMs I had to get my transmission replaced. They replaced it under warranty and the car still didn't feel right so I gave it back to them and they replaced it yet again. Now what if this happens to me when my car is out if warranty? Is it possible to tell them to convert my DCT m3 into a Manual? I wouldn't think it would be to hard, I mean they are literally taking out my whole transmission.
What was the issue with the DCT that caused you to replace it?
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      08-16-2014, 09:37 AM   #37
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82k miles and still running strong.
Nice. Did you ever change DCT fluid?
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      08-16-2014, 11:00 AM   #38
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Originally Posted by Voodooking View Post
I'm coming from a Manual E46 M3, looking at DCT E90 M3's, and SMG E60 M5's.

One problem that I've noticed with the SMG III in the M5's is that the clutch wears out in a relatively short space of time. For example 30k to 40k miles seems to be average.

Replacement seems to cost an arm and a leg, and the flywheel, release bearings etc. must be replaced at the same time, which can cost approx 2000 which isn't covered by warranty.

My question is, is clutch replacement going to be necessary on an E90 M3 DCT also? I realise that they are a completely different transmission made from completely different technology, but will I need to budget for replacing the clutches in the DCT also, or is it not something I even need to think about?



Bullet proof.
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      08-16-2014, 11:58 AM   #39
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A lot of supercharged cars run with the DCT box - IIRC one guy did 100 launches with his. They do indeed seem to be bullet proof.
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      08-16-2014, 01:05 PM   #40
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Quote:
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Originally Posted by C|3R1C View Post
82k miles and still running strong.
Nice. Did you ever change DCT fluid?
No I haven't.
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      08-16-2014, 01:43 PM   #41
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Originally Posted by CBS View Post
Has anyone upgraded their DCT with the SSP clutch pack?

My DCT is fine, regular fluid change, just concerned about all the track time and it's long term effect.

Sorry, thread jacked.
I hope more people will chime in that have had the clutch upgrades. Technically, the DCT is rated for some 400-odd ftlbs of torque, although I'm sure there is some overhead. However with the biggest kits pushing well into the 400s for torque and now Harrop's kit coming to the market, these clutch upgrades may be a structural necessity.

How often have you changed your fluid? DIY? Dealer?
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      08-16-2014, 04:03 PM   #42
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27k miles and have changed once.
Decided I'll do it every winter after track season. Friend is a BMW Master Mechanic and during the off season he goes through every part if it including changing the DCT filter and fluid.
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      08-16-2014, 05:30 PM   #43
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How reliable ? it's rated for much less torque than the manual transmission. So if you want to compare to manual transmission it's less reliable. As if you put them both on a heavy load regimen, the dct will fail much before the manual does.

We all know that the manual give a much deeper symbiotic connection with the engine which is extremely rewarding for any driving style and at any speeds ( from daily all around road drive, to spirited to track). It also give more instantaneous driver control over the level of coupling/decoupling between the engine and the drivetrain. This allows awesome feeling downshifts clutch pedal transitions with just the right amount of engine brake all by driver's choice, not computer, because quite often on the street you want to have long silky smooth transitions in a downshift yet still have the option of putting more of the engine to the wheels. You can make those decision in your brain, no need to program an external computer offline to do it. With dct, it's not that you have less control but Zero control over the clutch. Forfeiting the 3rd pedal essentially results in no clutch control.
America is the land of slushboxes automatics. A lot of people have very limited ability to drive a car (and incapable to drive a manual). For those people BMW made the dct. And that is going to be the demographics of the majority people who have a dct: people who would be in trouble with a manual. That's the prime customer base. In Europe many more manuals are sold.

Manual gets better and better and better with years with the car, it's like wine. Whereas dct gets more and more boring.
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      08-16-2014, 05:42 PM   #44
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Quote:
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How reliable ? it's rated for much less torque than the manual transmission. So if you want to compare to manual transmission it's less reliable. As if you put them both on a heavy load regimen, the dct will fail much before the manual does.

We all know that the manual give a much deeper symbiotic connection with the engine which is extremely rewarding for any driving style and at any speeds ( from daily all around road drive, to spirited to track). It also give more instantaneous driver control over the level of coupling/decoupling between the engine and the drivetrain. This allows awesome feeling downshifts clutch pedal transitions with just the right amount of engine brake all by driver's choice, not computer, because quite often on the street you want to have long silky smooth transitions in a downshift yet still have the option of putting more of the engine to the wheels. You can make those decision in your brain, no need to program an external computer offline to do it. With dct, it's not that you have less control but Zero control over the clutch. Forfeiting the 3rd pedal essentially results in no clutch control.
America is the land of slushboxes automatics. A lot of people have very limited ability to drive a car (and incapable to drive a manual). For those people BMW made the dct. And that is going to be the demographics of the majority people who have a dct: people who would be in trouble with a manual. That's the prime customer base. In Europe many more manuals are sold.

Manual gets better and better and better with years with the car, it's like wine. Whereas dct gets more and more boring.
Oh boy, knew was only a matter of time before we got one of these idiots trying to pass opinion as fact when it wasn't even asked for. Read the thread title and then reassess your tirade bud.
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