Koni Yellows?
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Joined: Jul 2008
Posts: 4,410
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From: Chicago
I have koni yellows and have used them for about 25000 miles. They rock. I use them in combination with H&R f+r sway bars and H&R sport springs. The result is an E60 GO KART. LOL
p.s. - how often should we swap out shocks anyways?
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Joined: Oct 2006
Posts: 19,460
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From: Anaheim, CA
My Ride: F13 M6
personally Im running on bilsteins with my eibach pro-kit springs, and Ive set up most of our customers with bilsteins and would highly recommend them.
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Joined: Jul 2010
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From: NorCal
My Ride: 2008 550
DPE S7
CF Front Splitters
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Joined: Mar 2010
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From: Los Angeles, CA
My Ride: BMW
Model Year: 2006
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From: Amsterdam
Simple solution in the end
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Joined: Nov 2007
Posts: 400
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From: Irving, TX (DFW)
My Ride: 05 545i 6MT
I recommend Bilstein SP over Koni for the following reasons:
1. Koni's rear strut adjustment is not external. You pretty much has to make up your mind on how stiff you want the rear strut to be then install. Once it's installed. You can not adjust w/o removing the whole setup.
2. Bilstein SP front strut is inverted design.
3. Bilstein SP comes w/ built in shorter bump stop so you don't have to trim anything.
If you are replacing spring/strut. I recommend replacing front top mount at the same time because mine has some cracks around 48K miles.
If you end up w/ Konis, I'd get Msport bump stop. (probably European market OE part)
1. Koni's rear strut adjustment is not external. You pretty much has to make up your mind on how stiff you want the rear strut to be then install. Once it's installed. You can not adjust w/o removing the whole setup.
2. Bilstein SP front strut is inverted design.
3. Bilstein SP comes w/ built in shorter bump stop so you don't have to trim anything.
If you are replacing spring/strut. I recommend replacing front top mount at the same time because mine has some cracks around 48K miles.
If you end up w/ Konis, I'd get Msport bump stop. (probably European market OE part)
Contributors
Joined: Jul 2008
Posts: 4,410
Likes: 0
From: Chicago
I recommend Bilstein SP over Koni for the following reasons:
1. Koni's rear strut adjustment is not external. You pretty much has to make up your mind on how stiff you want the rear strut to be then install. Once it's installed. You can not adjust w/o removing the whole setup.
2. Bilstein SP front strut is inverted design.
3. Bilstein SP comes w/ built in shorter bump stop so you don't have to trim anything.
If you are replacing spring/strut. I recommend replacing front top mount at the same time because mine has some cracks around 48K miles.
If you end up w/ Konis, I'd get Msport bump stop. (probably European market OE part)
1. Koni's rear strut adjustment is not external. You pretty much has to make up your mind on how stiff you want the rear strut to be then install. Once it's installed. You can not adjust w/o removing the whole setup.
2. Bilstein SP front strut is inverted design.
3. Bilstein SP comes w/ built in shorter bump stop so you don't have to trim anything.
If you are replacing spring/strut. I recommend replacing front top mount at the same time because mine has some cracks around 48K miles.
If you end up w/ Konis, I'd get Msport bump stop. (probably European market OE part)
where do you buy these stops?
Senior Members
Joined: Nov 2007
Posts: 400
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From: Irving, TX (DFW)
My Ride: 05 545i 6MT
For Msport bump stop, I'd contact gromani@bmwofnewport.com to see if he can get you these parts.
I don't know whether BMW sold Msport suspension in the US so it maybe European market only.
http://www.realoem.com/bmw/showparts...61&hg=31&fg=10
http://www.realoem.com/bmw/showparts...70&hg=33&fg=45
Looks like there are 3 bumpstops part #s.
For the M Sport one, part is 31336764086 front and 33537905317 rear
I don't know whether BMW sold Msport suspension in the US so it maybe European market only.
http://www.realoem.com/bmw/showparts...61&hg=31&fg=10
http://www.realoem.com/bmw/showparts...70&hg=33&fg=45
Looks like there are 3 bumpstops part #s.
For the M Sport one, part is 31336764086 front and 33537905317 rear
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