07-23-2016, 08:39 PM | #1 |
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I've read some recent chatter on here lately about the front air curtains being blocked on some vehicles. I saw that mine are not blocked... Cool. Then I was checking out the two big intake ducts on the front that are supposedly designed to help cool the brakes and improve efficiency dynamics. I was surprised to find that mine are completely closed off. It looks like I could easily remove the cover, but I'm curious why they're closed... Are yours open or closed? Does anyone have any insight?
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07-24-2016, 06:06 AM | #2 |
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You can remove that plastic piece thats blocking it. I recall seeing another thread about it. Funny thing is, mine was blocked when I picked up the car. A month later, a CEL came on so I took it to the dealer and they removed that piece without me asking.
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07-24-2016, 09:39 AM | #3 | |
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07-24-2016, 06:13 PM | #6 |
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07-24-2016, 10:53 PM | #7 |
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I believe I do have the auxiliary oil cooler... It can be seen on the front passenger side (3rd pic)
As far as the brake ducts go...After digging around I found a thread from back a few months ago. http://www.2addicts.com/forums/showt...php?p=19854368 There's lots of theories on why the brake vent ducts are closed ( local weather, salt from roads ,etc) . I've decided to take mine off... May put them back on in the winter... If I remember |
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07-25-2016, 05:07 AM | #8 | |
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2015 M235xi coupe, Black Sapphire Metallic, Black Leather, Fineline Stream trim, Steptronic, xDrive, ZPP, ZTP, ZCW, ZDA, ZDB, 5DP, hk w/BimmerTech amp, Enhanced BT
Prior 40 years: 67 BelAir wagon / 68 LeMans Tempest / 70 Mustang Mach 1 / 72 El Dorado / 78 Corvette / 81 Subaru GL wagon 4WD / 83 s10 Blazer 4x4 / 85 Bronco 4x4 / 96 Bronco 4x4 / 04 Passat 4mo / 09 BMW 335xi |
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07-25-2016, 07:58 AM | #9 | |
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07-25-2016, 08:18 AM | #10 |
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Or they're betting that many 'vert people won't be taking them to the track due to roll bar requirements, so they don't think the need will be there
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2015 M235xi coupe, Black Sapphire Metallic, Black Leather, Fineline Stream trim, Steptronic, xDrive, ZPP, ZTP, ZCW, ZDA, ZDB, 5DP, hk w/BimmerTech amp, Enhanced BT
Prior 40 years: 67 BelAir wagon / 68 LeMans Tempest / 70 Mustang Mach 1 / 72 El Dorado / 78 Corvette / 81 Subaru GL wagon 4WD / 83 s10 Blazer 4x4 / 85 Bronco 4x4 / 96 Bronco 4x4 / 04 Passat 4mo / 09 BMW 335xi |
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07-25-2016, 05:49 PM | #11 |
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Dear BMW,
Why?
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07-25-2016, 06:20 PM | #12 |
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07-25-2016, 07:27 PM | #13 |
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lol pretty much sums it up.
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07-26-2016, 10:50 AM | #14 |
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I wonder if there is a correlation to the brake duct and the air curtain? The idea if the air curtian is to create a smooth flow of air around the outside face of the wheel
The brake duct is designed to blast a stream of air through the inside of the wheel around the disk and back outside through the face of the wheel. Seems like the brake duct air flow would mess up the air curtian |
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07-17-2017, 06:58 AM | #16 |
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Good info. I was cleaning mine on the weekend and happened to look up to see where these great intake ducts actually go and to my surprise, they were blocked. Couldn't believe the crap inside accumulated from a year of driving. I removed the plates as I do tend to do a little "spirited" driving whenever I get the chance. Just love winding, hilly back roads. Luckily I live near the Laurentians and there are tons of great back roads with little traffic.
Anyway.... Does anyone know if there is a grill to go over the opening or is it just left a great gaping hole? |
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07-17-2017, 02:50 PM | #19 |
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07-17-2017, 03:13 PM | #20 |
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2016 228i Msport coupe
Duct appears open but the covers are on. There has to be a reason they put the covers on. I wonder opening them up makes brake dust worse on the wheels? Perhaps it's a wind noise issue, or as someone else suggested, maybe for dynamics. |
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07-17-2017, 07:07 PM | #21 |
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So I'm not as well versed as others, but does anyone have open air ducts and air curtains on the same car? I'm thinking they might interfere with each other as they are both directing air, via different directions, to the same area.
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07-19-2017, 09:42 AM | #22 |
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My M240i Vert has both open ducts and open curtains. June 2017 build.
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