question for those who added a rear spoiler

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01-17-2007, 08:38 AM

550isport

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My Ride: 07' 550i sport; Sapphire Black/Auburn; sport package; steptronic; navigation with R.T.T.I.; heads up; cold weather package; Logic-7; BMW MOST ipod kit; Motorola V3 snap-in adapter; rear heated seats and rear shades; anthracite headliner; sirrius sat. radio; M-aero kit; OEM style 166 Wheels with 245/35-19 front and 285/30-19 rear Michelin PS2s.

I have a 550i sport and the suspension is a bit soft. In addition to upgrading the hardware, I'm thinking about adding the rear spolier, but only if I'm convinced that it adds noticable downforce.

Has anyone compared any E60 with and without a spoiler? On the highway I drive between 90-110. This is the speed range I'd consider relevant.

Thanks for any input.

DRP

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01-17-2007, 10:47 AM

DIRRRTY

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My Ride: 2005 545i steptronic Silver Gray on Black, fully loaded, smoked rear lights, colored roundels, B&B exhaust, K&N airfilter, 20" Beyern Mesh Black powder coat, umnitza blue angel eyes.

Quote:

Originally Posted by 550isport' post='379562' date='Jan 17 2007, 09:38 AM

I got the Rieger trunk spoiler installed on my car while it was in the body shop for repairs and I feel a diffrence in handling but not sure if its from the spoiler or not. I drive around the same speed and it feels like the car is more stable than before but once again it could just be my mind messing with me thinking it has changed.

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01-17-2007, 10:50 AM

BetterMakeWay

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I have the M5 spoiler and although i didn't feel any really noticeable change in downforce or drag, i understood that at 200km/h it adds the equivalent of 40Kg on the area. So i'm now certain that it has a functionality besides the looks.

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01-17-2007, 10:51 AM

ericdbs

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My Ride: 2005 530i JETBLACK/BLACK DAKOTA, COLD WEATHER PKG, PREMIUM PKG, ADAPTIVE XENON HEADLIGHTS, AUTO TRANSMISSION WITH 6 SPEED STEPTRONIC, BLUETOOTH SETUP,SAT SETUP AND WIFE AS CO-PILOT

do you have a pic of the rieger spoiler?

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01-17-2007, 02:54 PM

DIRRRTY

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My Ride: 2005 545i steptronic Silver Gray on Black, fully loaded, smoked rear lights, colored roundels, B&B exhaust, K&N airfilter, 20" Beyern Mesh Black powder coat, umnitza blue angel eyes.

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Originally Posted by ericdbs' post='379609' date='Jan 17 2007, 11:51 AM

do you have a pic of the rieger spoiler?

ya I posted pics up on this thread http://forums.e60.net/index.php?showtopic=...mp;#entry379796

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01-17-2007, 03:52 PM

tachyon

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Quote:

Originally Posted by 550isport' post='379562' date='Jan 17 2007, 11:38 AM

I have a 550i sport and the suspension is a bit soft. In addition to upgrading the hardware...

What hardware are you thinking of installing?

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01-27-2007, 05:05 PM

bargamon

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when you flatten a corner artificially don't you reduce the feel of going fast.

And isn't that why we do this to begin with?

Thus while sport makes you go faster in the corners, you don't feel it. Nobody is impressed and you have to go faster and harder to justify and impress.

If you drive a car properly and sit the rear down you sink in the seat and feel the power.