好再来评论：说到去掉隔板会影响排放：2.0的空滤盒子是没有隔板的，难道就不卖到下雪地区去？！如果有隔板是为了提高排放标准，那么1.6 5V的（有隔板）排放才到欧二标准，2.0 没隔板的反而是欧三标准，为啥？偶又写了邮件8伊！
自从VWGOLFTX提出这个问题，大家的反应非常非常热烈，偶也加入其中，并写了一封邮件发给德国大众询问此事，经过了有一周的时间，我收到了他们服务部门的头Thomas Mueller的回复邮件，全文如下：
试着给大家翻译一下：
隔板的功能：
在有雪的地方，一旦车头进了雪，融化并结冰后，会堵塞进气口，在这种情况下，这个隔板的上面1/3处就会形成负压，从而打开小门，从机舱内进气儿不会使发动机出问题，而随着温度的升高，结冰处还有可能融化从而使进气道恢复进气功能。
发动机排放问题：
去掉隔板，不会对发动机进气产生影响，发动机会自己适应的；但是有可能会影响排放（好再来按：不理解？！）。
关于噪音大的问题：
是因为改变了空滤盒的结构，有可能会导致气流改变从而产生额外的噪音。
Dear Mr. Chao,

I received your email below via the customer support department of Volkswagen AG Germany.
Please find the answer to your inquiry as follows:
The flap in general is for snow ingress.  What is supposed to happen is that if the car is drawing in snow through the front air intake in cold climate countries, it should not be allowed to block the filter element (as this would eventually stop the engine).  What will happen is that as the filter element gets blocked on the intake side of the internal wall, a low pressure forms on the opposite side of the wall.  This causes the valve to open and draw warm air in from the engine compartment. This will stop the air being blocked off completely and also slowly melt all the built up snow.
We had experiences in cold countries like Sweden and Norway and as far as China has some snow rich areas and on the other side also some areas with high dust potential, which also could block the filter from the front side, we decided to introduce the feature in some of our engines for Chinese cars, to ensure proper functioning of the engine under all circumstances and ensure customer satisfaction with our product.

As for the issue with drilling holes into the separation wall of the air filter it will of course change the emission application but it will in general not affect the injection application because the engine control unit will adapt itself to the new air mass flow. Please take into consideration that in China in the near future there will be stronger emission standards with Euro3 / Euro 4 and EOBD introduced and cars with drilled holes like I have seen in your pictures might not pass the emission tests any more.
The original engine application is always been designed taking into consideration not only performance but also emission and environmental standards, reliability standards and others.
Therefore from the current point of view practically nothing speaks against your simple way of engine tuning but you should take into consideration the above mentioned remarks. Regarding the higher noise this is related to the different air flow which is now not matching the function of the resonance element behind the air filter duct anymore (between air filter and intake).
I hope I could answer your questions, if you further comments please don't hesitate to contact me again.

Best regards

Thomas Mueller
Head of Service VW
miatovic在52楼的翻译（高尔夫之雷注）
我通过德国大众客户支持部收到了您的邮件。
下面是对您提出的疑问的解答：
那个空滤隐藏入口处的小盖子是专门为那些处于寒冷气候条件下，例如会下雪的国家而设计的，因为冰雪有可能堵塞正常的前面的空气入口.众所周知，空滤是绝不可以被堵塞住的(因为这样会导致发动机故障).  当空滤正常的入口被堵塞住之后在空滤当中隔板的另一面就形成了负压. 这时这个小盖子就会打开，发动机机舱内的温暖的空气就会被吸入.这样就不会出现完全没有空气进入空滤的情况，堵塞的冰雪也会被慢慢融化。
我们拥有在瑞典，挪威，中国一些多雪的地区，或者是一些多灰尘的地区的经验在这些地区都有可能发生空气的入口被堵塞的情况根据这些经验，我们为中国的汽车引擎设计了一些功能来保证发动机在任何环境条件下都可以正常工作，让客户满意我们的产品。
至于在空滤中间的隔板上钻孔的问题，它是可以影响汽车的排放的但它没办法影响发动机的进气，因为发动机控制单元会逐渐自己适应新的空气流量.请考虑一下在不远的将来中国将要实行欧3欧4的排放标准，根据你发给我的照片来看，在空滤隔板上钻洞的做法恐怕是通不过这些汽车尾气检验标准了。
T.原装汽车引擎的设计不仅仅是考虑到汽车的动力性能，而且还要考虑到排放，环境保护，以及可靠性等标准。所以从现在的观点上来看，不能反对您这样简单地调整您的引擎，但是您确实需要考虑上述因素。R关于噪音大这个问题，是由于现在的空气流量不再符合空滤后面的那个共鸣单元的原始设计造成的。
希望我的回答能够解答你的问题，如果有更进一步的问题，尽管联系我。.
致敬
托马斯 穆勒
大众服务部的头
[ Last edited by 好再来 on 05-11-03 at 13:57 ]

靠，偶给你们吐血翻译一下！不对的地方不许BT！

多谢x01oct
给偶加分！
波啵一个！

嘿嘿！严谨

我的后续的邮件就是继续问他拆除隔板有没有额外的好处，哈哈。

关于人家的邮件地址，我需要问一下人家才可以公开，毕竟这个不是公开在网上的。

谢谢Botbyl加分！
8过，偶觉得研究的精神还是需要的，于不疑出见疑，方为进已！

2.0的图片你能发我一张吗？我没有的。

对于VWGOLF同学的问题，我刚刚又写了邮件发给Thomas了，希望早点得到回信。

哈哈，谢谢有心人翻译。
这事还没完呢！
2.0的空滤盒子是没有隔板的，难道就不卖到下雪地区去？！如果有隔板是为了提高排放标准，那么1.6 5V的（有隔板）排放才到欧二标准，2.0 没隔板的反而是欧三标准，为啥？偶又写了邮件8伊！