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      02-16-2019, 04:14 PM   #1
FaRKle!
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FS: New/Like New Eibach Pro-Kit Springs w/ Installation (Bay Area)

All sets sold. F31 Eibach rear springs available here.

Last edited by FaRKle!; 08-12-2019 at 04:25 PM..
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      03-26-2019, 07:22 PM   #2
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bump!
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      04-06-2019, 04:58 PM   #3
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Darn, too bad these don't fit a 328i. Free bump!
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      04-07-2019, 10:45 AM   #4
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Do you do just spring installs? I have a new set of H&R springs that I would like installed.
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      04-08-2019, 12:49 PM   #5
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Originally Posted by MrZeeMan View Post
Do you do just spring installs? I have a new set of H&R springs that I would like installed.
I haven't considered offering standalone services. Maybe. Of course if you help me find a local buyer for the spring sets I have I'm sure I could work something out in your favor .
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      05-13-2019, 10:40 AM   #6
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FYI - I just bought and had the 435i spring set installed by Farkle. Stand-up guy. Has all the right tools too. This is a great gateway drug if you are interested in trying out a mild suspension upgrade. Drop is mild at around .5" overall and ride quality is a bit firmer without rattling your teeth!
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      05-22-2019, 06:40 PM   #7
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Which shocks did you run these with? I'm interested in a mild drop that won't blow out my factory adaptive suspension.
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      05-22-2019, 11:10 PM   #8
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I'm using the stock adaptive shocks. Farkle and I chatted at length about the capabilities of the stock shocks. At this point, there's no clear evidence of them "blowing out" because the of being lowered. He may chime in about it in this thread - but in short, he's done A LOT of research. A LOT.
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      05-23-2019, 10:56 AM   #9
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Quote:
Originally Posted by dotfiles View Post
Which shocks did you run these with? I'm interested in a mild drop that won't blow out my factory adaptive suspension.
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Originally Posted by percychow View Post
I'm using the stock adaptive shocks. Farkle and I chatted at length about the capabilities of the stock shocks. At this point, there's no clear evidence of them "blowing out" because the of being lowered. He may chime in about it in this thread - but in short, he's done A LOT of research. A LOT.
The factory adaptive M dampers are capable of very high rates of damping (I've dyno'd them in their highest rate mode). Where you typically operate in comfort and even sport mode isn't close to as strong/stiff as the dampers can do at the limits. I went up 23% in front spring rate with the adaptive dampers and they were able to handle it well (and bumping the damping forces an additional 15% with Dinan shockware actually had too much compression).

For your car you may want to consider M3/4 springs too. The competition pack front rate is 23% higher than what you have now and the rear is equal to 33% stronger (it's a progressive spring). The base M3 springs, are 5.5% stiffer in the front and 20% in the rear. The Eibach kit percychow got from me has very similar rates as the M3 base springs (front is the same, rear is a tad bit higher). Going to the competition pack springs would be an additional level stiffer.

The M3 ride height is a bit less than .5" lower than you are now (4.7" ground clearance vs 5.5" for F30, but M/Adaptive suspension lowers by 10mm).

I acquired a set of F8x ZCP and base springs to play around with and will likely be passing them on after I'm done with them, haha.
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Last edited by FaRKle!; 05-23-2019 at 11:11 AM..
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      05-23-2019, 11:36 AM   #10
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Quote:
Originally Posted by FaRKle! View Post
The factory adaptive M dampers are capable of very high rates of damping (I've dyno'd them in their highest rate mode). Where you typically operate in comfort and even sport mode isn't close to as strong/stiff as the dampers can do at the limits. I went up 23% in front spring rate with the adaptive dampers and they were able to handle it well (and bumping the damping forces an additional 15% with Dinan shockware actually had too much compression).

For your car you may want to consider M3/4 springs too. The competition pack front rate is 23% higher than what you have now and the rear is equal to 33% stronger (it's a progressive spring). The base M3 springs, are 5.5% stiffer in the front and 20% in the rear. The Eibach kit percychow got from me has very similar rates as the M3 base springs (front is the same, rear is a tad bit higher). Going to the competition pack springs would be an additional level stiffer.

The M3 ride height is a bit less than .5" lower than you are now (4.7" ground clearance vs 5.5" for F30, but M/Adaptive suspension lowers by 10mm).

I acquired a set of F8x ZCP and base springs to play around with and will likely be passing them on after I'm done with them, haha.
Thank you for the information! I'd be very interested in the F8x springs after you're done with them
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      06-17-2019, 05:28 PM   #11
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Bump, still have the 335/340xi kit!

Also have a set of M3 base and M3 Competition pack springs too. I recommend those for 4cyl xDrive and 6cyl RWD F30/32/36 cars (not F31/33/34).
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