BMW M3、M4的賣點之一碳纖維傳動軸要沒了 - BMW

Ula avatar
By Ula
at 2017-08-15T13:30

Table of Contents

BMW證實,M3 M4最具特色的碳纖維傳動軸,將會改成鋼製傳動軸

原因與排放法規有關

BMW將來會在排氣系統加上一個微粒過濾器,而碳纖維傳動軸所佔據的空間比較大

所以就要換成比較不佔空間的鋼製傳動軸

雖然空間減少了,但重量卻會增加

這些增加的重量可能就必須要從其他地方偷回來(或者就直接變重了...)

不過BMW還是不免要強調一下性能與品質是不會因此而改變的


M-Power 愛好者表示:


==============================================================================

https://goo.gl/TknKjR

BMW M3 and M4 to lose carbon fiber driveshafts

One of the current BMW M3 and M4's most distinctive features is their
carbon fiber driveshafts. Sadly, the two BMW performance cars will become
a little more mundane in the future, as the company announced it will
transition the cars to steel driveshafts. The reason has to do with
emissions.

BMW will begin adding a particulate filter to the exhaust system at some
point in the future to stay compliant with stiffening emissions
regulations. Carbon fiber driveshafts have a larger diameter and
therefore take up too much space under the car. The "M-specific
high-performance" steel driveshaft being used in its place is narrower
enough to work.

BMW says that "the superlative performance and handling qualities" won't
change with the use of the new driveshaft. We suspect that discerning
drivers may notice a slight difference. Not only will steel add to the
car's overall weight (however little), it will also represent more mass
for the engine to move. This could mean the engine will be slightly less
eager to rev. Of course, BMW could compensate for this by shedding weight
elsewhere, possibly with a lighter flywheel or half-shafts.

Either way, though, this change still makes those M3 and M4 models
produced in November 2017 and thereafter less special than those made
before.

According to BMW, "for production-related reasons, this pre-enabling (of
the new driveshaft for future emissions equipment) needs to be carried
out universally." Presumably, this includes the United States, but as the
announcement was made by BMW's global headquarters, we reached out to
BMW's American office to see if the changes will indeed affect US-spec
M3s and M4s. Indeed, according to a BMW spokesperson, the U.S.-spec M3s
and M4s will feature this change.

--
Tags: BMW

All Comments

Carol avatar
By Carol
at 2017-08-19T04:37
愛好者表示:又多了兩項改裝套件可以買了,覺得有希望
Puput avatar
By Puput
at 2017-08-20T17:58
重一點也沒差啦,因為都買不起QQ。
Connor avatar
By Connor
at 2017-08-23T13:03
會買M砲啊不在意這些
Yuri avatar
By Yuri
at 2017-08-25T23:38
可能要大改車身才會加回來了 或是某種Cost down的藉口?XD
Christine avatar
By Christine
at 2017-08-29T14:05
我覺得過濾器只是藉口 怎樣底下要閃些位置出來還是可以的
Ethan avatar
By Ethan
at 2017-09-03T11:44
其實增那重量,以馬力來說影響性能是真的接近無感吧,
Rebecca avatar
By Rebecca
at 2017-09-03T23:33
只是用料爽度的問題而已,碳纖變成鋼製。不過特規版不
受影響,口袋夠深的還是有得玩
Puput avatar
By Puput
at 2017-09-04T06:48
GT-R也是碳纖維傳動軸,還兩根,沒這問題
Kristin avatar
By Kristin
at 2017-09-04T12:58
gtr價錢不同等級了吧
Jessica avatar
By Jessica
at 2017-09-05T21:54
沒差,樓上照買三台
Jake avatar
By Jake
at 2017-09-09T22:45
我一台都買不起哦 買三台馬三倒是可以
Christine avatar
By Christine
at 2017-09-12T20:35
直線垃圾 C63s ///AMG 屌打狂射
Edwina avatar
By Edwina
at 2017-09-13T14:40
這樣原廠才能出選配的改裝升級套件呀 碳纖傳動軸+30萬
Carolina Franco avatar
By Carolina Franco
at 2017-09-14T18:51
M Power傳動升級套件包碳纖傳動軸+30萬,微型化微粒過濾器
+30萬
Edward Lewis avatar
By Edward Lewis
at 2017-09-17T06:27
有注意到這則新聞 看來下一代M3真的會變選配
Dinah avatar
By Dinah
at 2017-09-21T16:12
板上鄉民都開s3/s5
Genevieve avatar
By Genevieve
at 2017-09-23T11:01
有沒有都無所謂,因為外觀帥才是重點,中看不中用也沒
Agnes avatar
By Agnes
at 2017-09-24T00:14
傳動軸重量當然會影響動力傳輸,說體積影響我覺得是唬
爛一根的體積是會差那一點麼
Valerie avatar
By Valerie
at 2017-09-25T10:02
跟改輕量化鋁圈、陶煞原理差不多
碳纖維傳動軸影響可能是最大的
Steve avatar
By Steve
at 2017-09-29T03:05
有手排就好了
Callum avatar
By Callum
at 2017-10-03T01:15
哼哼...直上Alpina
Carol avatar
By Carol
at 2017-10-06T05:12
電動車表示: 呵呵 等著被淘汰吧
Olga avatar
By Olga
at 2017-10-09T10:26
噓錯補推
Isabella avatar
By Isabella
at 2017-10-09T19:03
改成MR解決

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at 2017-08-15T12:39
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