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Discussion Starter · #1 ·
It looks like it’s time for new dampers on my 550i (E61). I can save a bit of money by buying Bilstein (“OEM”) dampers for the front, though the “OEM” dampers my local specialist found for the rear are a brand I don’t know (and don’t remember, though it starts with a C or K … ).

I’ve had good experience with OEM parts for things like bushings and control arms, but I’m a bit less eager to experiment with dampers. Harder to make well, I suppose, and probably harder to match the desired characteristics too. Though Bilstein can at least make them well enough.

Anyone know who makes the original BMW dampers for these cars? And any views about the OEM options?

Thanks for any insight into this!!!
 

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Bilstein B4 have the same characteristic as the BMW Genuine Sport struts. It is a bumpy ride but in my opinion a well balanced suspension for twisty roads and high speed cruising.

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I'm going with Koni Yellows, but also pairing wiith Eibach Pro Kit springs....from what I've read this is one of the best damper/spring combinations. My e60 has the base suspension, and feels too mushy for my preference. You can probably get the Koni's for around $600. They should be fine with OEM springs....or for $300 more you can swap out the springs for the Eibach's.

At twice this price, if money isn't the issue, I've heard great (and I mean GREAT) feedback on going with KW Street Comfort coilovers....
 

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Discussion Starter · #6 ·
Thanks everyone for the advice! I'll look for the Sachs.

As I don't have springs in the rear (air suspension), coilovers aren't an option. But even if they were, I've had too many bad experiences with coilovers from top manufacturers on other cars, and this is a family car, not a toy (except when there's no family in it ;-) ). Interesting about the KWs though. I'd heard of them and thought "at last, someone has the right idea!".
 

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If you go with Bilstein get the sports. But if you have factory sport suspension I***8217;d just source some affordable OE replacements unless you want to make it more aggressive.
 

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If you want to spend around $1k or so for coilovers, you should take a strong look at ST....they are KW's but made of steel and not aluminium. Same product, same performance, much cheaper than KW V1 and are a great kit.

http://www.stsuspensions.com/produc...edan-525i-528i-530i-535i-545i-550i-90203.html

I've heard that most coilovers for the E60's have a stiff ride, except for the Street Comforts which can be configured to have an "OEM" comfort ride, but with coilover handling and performance. The Koni/Eibach pro have a more forgiving ride but still offer excellent handling. I've heard the Bilstein/HR Sport Springs have equally good handling, but a rougher ride.
 

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Yup. Maybe I'm looking in the wrong place for sachs, or xdrive is more expensive. From ecstuning, Front struts are $260 each, and $25 each for mounts. That's already $570.
 
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