A spoiler FAQ. It is all pictures, dial-uppers go for coffee

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Lotus72D
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Joined: Feb 12, 2006 1:00 PM

A spoiler FAQ. It is all pictures, dial-uppers go for coffee

Post by Lotus72D »

Well not really because most of this is for the lower front of the car and those are Air Dams. But there are side skirts, rear aprons and some spoilers.

An air dam is defined on the web as "A front spoiler mounted beneath the bumper and shaped to reduce the airflow under the car. Air dams can increase the airflow to radiators, reduce aerodynamic drag, and/or reduce lift," and from the same site, a spoiler is "An aerodynamic device that changes the direction of airflow in order to reduce lift or aerodynamic drag and/or improve engine cooling. A front spoiler is technically an "air dam" because it prevents air from getting under the car and increasing drag."

E28 Aerodynamics:

The US M5/535is air dam from twest:

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It is a BBS/BMW unit, NLA, except by lucky finds. TT had a set a coupe years ago. It is this one:

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Here is a detail pic of the front corner:

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This is what the air dam looks like on a US bumpered car. This image from a BMW accessories catalog.
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The rest of the 'kit' had these parts.
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And that catalog had this rear spoiler in it.
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Here is a close-up of the side skirts and rear valance, along with another BMW air dam for the car.
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A BBS specific rear apron sold on the bay in Sept 2005 for $510, here are pics of that unit:
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and
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Zender had these parts available So if you want to know what the ZENDER looks like this is it!!!
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This is the Zender side skirt on a dirty car.
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and the Zender rear valance from the side
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Alpina had an air dam that would do a fine job during a light snow fall. This indicating that it would push the snow, ah air out of the way instead of letting it go under the car. (Thanks Ted in T.O. for the link to this one) Image
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I'll try to find more, including the Hartge air dam and post them as no one seems to be posting any pics of aero stuff for the cars. Well I did find the Hartge stuff and here it is:
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As you can see, Hartge had two different rear spoilers, the polyurethane one and a wing that is painted like the car. The red car also shows the side skirts. Both air dams are without the cooling ducts that are in the center of the dam. These are similar to the ones in the 'is' air dam, except there are only two, one on each side of the center. These openings are in addition to the pairs of openings where the 'is' air dam would have the fog lights.

From the Aerodynamics post I have deleted, the Euro bbs posted by tannercore:
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Posted by Aaron from Aus, BBS front spoiler like above:
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and a Zender rear spoiler:
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Jeremys front spoiler:
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Jeremys pic of the BBS from the first set in the raw:
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Jeremys pic of the Hartge Clone:
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And two Alpinas from Jeremy:
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The early shark style BMW spoiler from Jeremy photo collection:
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The Racing Dynamics spoiler still available for 535 incl lights
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From Zaprace in the UK, http://www.zaprace.com/orange.htm
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Lightweight GRP kit for E28(modprod)as on the orange car:

Arches +75mm(3") set of four........440
Front Airdam depth 190mm/7.5".....248
Rear Aerofoil (E30 M3 shape).........265
above with adjustable blade..........335
above but "whaletail" one piece.....272
GRP lightweight Bonnet................246
GRP lightweight Bootlid................162
GRP Capacitor cover.......................82
GRP S38 Airbox............................195
GRP S38 Inlet manifold 6-branch....368
GRP Rear bumper.........................205
GRP Front lower vallance (chin)......228
Front Wings / pair........................328

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Lightweight GRP kit for E28 as on the yellow car:

Arches +50mm(2") set of four.......405
Front Airdam depth 150mm(6")......228
Front Splitter................................92
Rear Aerofoil (E30 M3 shape)........265
GRP lightweight bonnet................246
GRP lightweight bootlid................162
GRP Airbox for M88......................185
GRP 6-branch M88 Inlet manifold...358
GRP Rear bumper........................205

all stolen from their site and plus shipping.
Post more aerodynamic parts and I'll incorporate them into this list.
Last edited by Lotus72D on Apr 05, 2006 7:40 PM, edited 2 times in total.
Fred/Houston
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Post by Fred/Houston »

Lotus, this is most excellent! You did a great job. I can get a photo of my Bbs rear spoiler to you this weekend when I can take a picture.
I'm finding some others on ebay as well so I'll get whatever I can from there and get them to you as well.
Fred/Houston
Jeremy
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Post by Jeremy »

Got two for ya:

Another shot of that rare early air dam

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And the other Alpina (you have the same pic twice in your post)

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Jeremy
brannman
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Post by brannman »

I found these guys over in the UK racing e28's. They sell the rear wings, front airdams, front fenders, wheel arches, etc.

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http://www.zaprace.com/orange.htm
TomR.
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Post by TomR. »

I've been contemplating on putting an air dam on my car for a little while now. Since my 86 535i is lowered I was wondering if all of these examples are the same height. If not, does anyone have the dimensions of each one?

Thanks.


[Edit by TomR. on [TIME]1140030319[/TIME]]
Bryan in SB
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Post by Bryan in SB »

Great thread!

I especially like the painted rear Zender trunk spoiler.

[Edit by Bryan in SB on [TIME]1140031082[/TIME]]
C.J.
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Post by C.J. »

Wonder how much it'd cost to import the zaprace kit on the yellow e28 on their website.
Jeremy
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Post by Jeremy »

Quite right, Tammer. I looked too quickly. Thanks for the correction.

Jeremy
twest
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Post by twest »

What is this airdam?
Image
Last edited by twest on Jul 03, 2006 2:44 PM, edited 1 time in total.
twest
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Post by twest »

The car above is mine -- I think it's just the stock "is" air damn but I'm a noob and I'm not sure.

I'm sure I could figure it out with some relatively simple research but I thought I'd post anyway.

Re the clear/white lenses - I bought the car with them on there - I don't mind the look but will probably replace them with stock someday. :? :?
Shawn D.
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Post by Shawn D. »

twest wrote:Re the clear/white lenses - I bought the car with them on there - I don't mind the look but will probably replace them with stock someday. :? :?
Those "lenses" appear to merly be cut fluorescent light troffer plastic.
twest
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Post by twest »

Ahhh yes! :)

Well then it should have been the first one on the FAQ!

:D
twest
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Post by twest »

twest wrote:Re the clear/white lenses - I bought the car with them on there - I don't mind the look but will probably replace them with stock someday. :? :?
Shawn D. wrote:Those "lenses" appear to merly be cut florescent light troffer plastic.
LOL - good eye Shawn. They're quite lame.
Last edited by twest on Jul 03, 2006 2:43 PM, edited 1 time in total.
Lotus72D
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Post by Lotus72D »

This post has been edited so it works again. Can you guys edit it to make your posts work?

Also anything to add?
Jeremy
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Post by Jeremy »

Dude, I'd almost forgotten about this thread. Thanks for bringing it to the top!

Jeremy
C.R. Krieger
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Post by C.R. Krieger »

Lotus72D wrote:This post has been edited so it works again. Can you guys edit it to make your posts work?
"[Will] you guys edit it to make your posts work?"

You can. Here's how: Go into the "Edit" screen and uncheck the "Disable HTML in this post" box. If you have any hard returns (<B> or <P>), you'll need to do them manually.
Blue Shadow
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Post by Blue Shadow »

Thanks for the update on that. I'm sure before you posted there were some that could not. Now they can. Let's hope they will.
tannercore
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Post by tannercore »

Ha... hey that Schwartz BBS is my car. Cool stuff.

(Just ignore the hood damage.)
Hunter has a Bimmer3
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Post by Hunter has a Bimmer3 »

Cool stuff. I like the zaprace kit.
Azure
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Post by Azure »

No pics of the M-tech kit front end, or the Erebuni knockoff of the same item?

Someone's bound to ask!
RDAvena
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Post by RDAvena »

no one has listed this spoiler yet:

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I am currently adding this one in place of the IS spoiler the car used to have.
psportoveloce
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Post by psportoveloce »

RDAvena wrote:no one has listed this spoiler yet:

Image

I am currently adding this one in place of the IS spoiler the car used to have.
word on the street (and by street, I mean from Brian) is that that spoiler is no longer available from BMW new. This a recent development.
straight_6
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Post by straight_6 »

Is that this one??? ive been told its a reasonably rare item now.

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psportoveloce
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Post by psportoveloce »

straight_6 wrote:Is that this one??? ive been told its a reasonably rare item now.

Image
That's it. Usually, they are black though. They were consistently fitted to RoW M5's in that form. It was also available in a ductless form and optionally fitted to lesser E28's, and that form is even rarer.
xscirocco16vx
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Post by xscirocco16vx »

does anyone have a better pic of the Zender front airdam? I found one for sale but it looks more like the BBS style in the pics above. It appears that the BBS and Zender are similar but the zender purtrudes further at the bottom than the BBS?
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