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Old 04-04-2013, 10:28 PM   #21
Davconelectric
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Quote:
Originally Posted by kook View Post
...yet the seller is trying to pass it off as a genuine CSL diffuser...
He's trying to pass it off as a "genuine bargain".

I kinda like it, it's something different
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Last edited by Davconelectric; 04-04-2013 at 10:32 PM.
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Old 04-04-2013, 10:34 PM   #22
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Quote:
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He's trying to pass it off as a "genuine bargain".
He is now after I reported his auction to ebay for misrepresentation. Yesterday it read "genuine CSL diffuser". He's now re-worded it
I've got no time for people trying to sell non-genuine goods on there. I got ripped off years ago with a set of fake Focal speakers...
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Last edited by kook; 04-04-2013 at 10:35 PM.
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Old 04-04-2013, 10:39 PM   #23
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Ahaha. I was going to drive like 2 hours to go pick it up. Lucky for e46 fanatics
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Old 04-04-2013, 11:21 PM   #24
Ballistic325
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You don't need a reason for a 2 hour drive in an M3
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Old 04-04-2013, 11:23 PM   #25
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Lol very true
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Old 04-18-2013, 07:49 PM   #26
braaang
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guys, i wanted to know, re the lips and diffusers.
are we talking cosmetics here or do they actually benefit the aerodynamics?
they seem too subtle to benefit our cars at speeds they'll commonly be doing.
thoughts?
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Old 04-18-2013, 08:05 PM   #27
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I imagine the CSL bootlid probably does generate some downforce at speed, its got a fairly decent lip on it. The rear diffuser wont do anything as its not carried on underneath the car, and the car sits too high. As to the front lip I'm not so sure, it may have some benefit generating some downforce, not sure...
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Old 04-18-2013, 08:48 PM   #28
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It's all cosmetic.
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Old 04-18-2013, 09:19 PM   #29
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fair enough.
looks good but
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Old 04-18-2013, 09:39 PM   #30
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Errrm, apparently its not all cosmetic. After some quick searching, CSL front splitter develops 1kg of downforce, rear lid develops 10kg of downforce at 200kph. One look at a CSL bootlid and you can easily tell that massive scooped out curve actually has to generate something...

http://www.m5board.com/vbulletin/e90...-gt3-ring.html
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Old 04-18-2013, 09:51 PM   #31
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Errrm, apparently its not all cosmetic. After some quick searching, CSL front splitter develops 1kg of downforce, rear lid develops 10kg of downforce at 200kph. One look at a CSL bootlid and you can easily tell that massive scooped out curve actually has to generate something...

http://www.m5board.com/vbulletin/e90...-gt3-ring.html
My experience is the diffuser, front bar & boot do nothing on the street and all but 1 corner my local track where the front bar & boot (more the front bar if you ask me) gives significant stability increase on the big 190/200kmh corner which net me 5kmh higher than with the pre CSL bodywork.
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Old 04-18-2013, 10:07 PM   #32
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Give me a break. It's all about looks
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Old 04-18-2013, 10:08 PM   #33
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buy the roof and windows, lower center of gravity FTW
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Old 04-19-2013, 12:05 AM   #34
ating
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If your car has a sunroof, replacing it with the csl roof will yield both functional and cosmetic benefits.
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Old 04-19-2013, 12:31 AM   #35
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Cutting the roof off completely and removing all glass will give huge weight savings. So will removing all seats and replacing with a milk crate, carbon fiber milk crate will yield better weight savings
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Old 04-19-2013, 01:05 AM   #36
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lol
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Old 04-19-2013, 02:15 AM   #37
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Quote:
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Cutting the roof off completely and removing all glass will give huge weight savings. So will removing all seats and replacing with a milk crate, carbon fiber milk crate will yield better weight savings
torsional rigidity will suffer quite a bit with that setup, but I'm sure those milk crates not only weigh less than the Carbon Fiber Recaro's but are significantly cheaper
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Old 04-19-2013, 02:56 AM   #38
kook
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Give me a break. It's all about looks
Even it was just all about looks, apart from my intake I'd say its pretty close to the next best mod I've done to my car. Looks heaps better than the stock lid...

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Old 04-19-2013, 03:00 AM   #39
ating
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^ yep, csl boot lid looks more modern than the oem lip. flows a lot better with the car.
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Old 04-19-2013, 03:02 AM   #40
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No argument from me about csl boot lid. It looks great on m3s
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