camera doctor 25 Report post Posted January 11, 2011 Will not be seen in a BMW, unless you count the Mini, as it is for front wheel drive Link To Story How many gears do you need ???? :blink: Quote Share this post Link to post Share on other sites
E30-323ti 66 Report post Posted January 12, 2011 Marking a first for front-wheel drive passenger vehicles, the ZF nine-speed will help automakers generate greater fuel-economy gains while also providing a smoother driving experience. The shift times are said to be quite short and the resulting gear changes are nearly imperceptible to passengers. Isn't that the point of CVT transmissions.... Quote Share this post Link to post Share on other sites
Michael. 2313 Report post Posted January 12, 2011 How uninteresting. Quote Share this post Link to post Share on other sites
kiwi535 538 Report post Posted January 12, 2011 Isn't that the point of CVT transmissions....i thinks cvt are limited to how much power they can handle.I THINK nissan use them in there two litre primeras.They are steel belts and "pulleys" which can expand and contract so the power is limited by how much the belts slip on the pulleys.Thats my laymans intrepretation any way! Quote Share this post Link to post Share on other sites
btccm3 1 Report post Posted January 14, 2011 i thinks cvt are limited to how much power they can handle.I THINK nissan use them in there two litre primeras.They are steel belts and "pulleys" which can expand and contract so the power is limited by how much the belts slip on the pulleys.Thats my laymans intrepretation any way!nissan puts a cvt on a 3.5l 6pot nowadays Quote Share this post Link to post Share on other sites
kiwi535 538 Report post Posted January 14, 2011 nissan puts a cvt on a 3.5l 6pot nowadaysoops my bad...they must have some confidence then.do they programmed steps to shift like a manual too? Quote Share this post Link to post Share on other sites
btccm3 1 Report post Posted January 16, 2011 yep sure do. just like the early cvt primeras iv had one of those for sevral years it actually wasnt to bad as a daily. Quote Share this post Link to post Share on other sites
westy 614 Report post Posted January 16, 2011 9 speed? Cool, another 4 speeds of trouble. Quote Share this post Link to post Share on other sites
pureboiracer 0 Report post Posted January 22, 2011 ^+1... can see this being another cool feature that causes many headaches. Quote Share this post Link to post Share on other sites
darkwolf 0 Report post Posted January 22, 2011 I'd love to have to pull one apart doubt ANYONE could put it back together... right, so there's the crown gear, and the planetary gear is.... so what the hell is this thing... And I'm sorry but can you imagine the gear hunting that would go on, particularly if it is in automatic guise. Foot down to overtake, drops 6 cogs, nope gaps gone, crap... Quote Share this post Link to post Share on other sites
Greg111 13 Report post Posted January 22, 2011 And I'm sorry but can you imagine the gear hunting that would go on, particularly if it is in automatic guise. Foot down to overtake, drops 6 cogs, nope gaps gone, crap...Clearly you haven't been in a modern BMW, the six/eight speed trans change f**king quick! When you want to kick down, it doesn't go down through every gear, it will jump several according on where your foot is, how fast the vehicle is traveling and where the revs are. Quote Share this post Link to post Share on other sites
my_e36 43 Report post Posted January 25, 2011 On my SMG it will drop 4 gears from 6th to 2nd directly without going thru 5-4-3. CVT vs traditional auto is more to do with efficiency, on whatever that I was reading on, manual gearbox has 90+% efficiency, where auto is mid-80s and CVT is high 70s to low 80s. BMW SMG is a manual is 90+% and VW Audio DSG is low 80s for the 6 speed and high 80s for the 7 speed. With the added efficiency, that will contribute to power figure and fuel figure. Honda Jazz has switched from CVT on the first gen to a traditional auto in the current model partly for this reason. Quote Share this post Link to post Share on other sites
