02-08-2023, 11:57 AM | #1 |
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Lowering an F15 X5 with Air suspension Rear!
Hi guys, I have tried a search, and the info I have found is a bit sketchy!
Can someone help me out with a "how to" and whats needed to lower an X5 with Air suspension rear and springs on the front? Thanks in advance. |
02-08-2023, 12:17 PM | #2 | |
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KW now has a HAS kit that includes front and rear adjustable collars. If you are on rear air, you'd either toss the rear collars and run links or swap to springs. Your X5 is beautiful BTW. Was looking at some of pics you posted recently. clean car!
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02-08-2023, 02:21 PM | #3 | |
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So you buy front lowering springs, then some linkage for the rear? |
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02-08-2023, 03:11 PM | #4 | |
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https://www.tunershop.com/eibach-spr...6-pro-kit.html then buy rear links like these: https://www.ebay.com/itm/29103951892...Cclp%3A2047675 There's a few euro vendors that carry both springs and links in a kit. I can't seem to find them at the moment tho.
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02-11-2023, 08:54 AM | #5 | |
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02-11-2023, 08:55 AM | #6 |
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your other option is dinan but not sure they offer that across the pond?
as far as installation videos, FCP euro has a YT diyer and there's a couple others on YT too
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02-14-2023, 03:48 PM | #7 |
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What about KW V3 Inox coilovers? That’s what I’m thinking with on my X6.
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02-14-2023, 03:58 PM | #8 |
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02-14-2023, 04:19 PM | #9 |
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02-14-2023, 04:23 PM | #10 |
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02-14-2023, 04:28 PM | #11 |
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02-23-2023, 05:16 AM | #12 |
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boba-fett any update on lowering?
I decided against the KW coilovers and have ACS springs on order. Hoping to have them installed in a few weeks. Also adding 15mm/20mm spacers. |
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02-23-2023, 05:34 AM | #13 |
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Not yet, its on my things to do, been buggering about with my other cars, but I will get round to it.
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07-14-2023, 08:59 AM | #14 |
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Hey all! New here, recently got into an F15. Got a good deal, and so far think its a great car.
I have rear air bags as well, but I am dying to lower the ride height (to an extent). I’m on 21” 599Ms if that helps. I have gone with H&R in the past, but per this post I hear they’re not ideal for this car? Wondering if anyone with airbags has lowered with another product and if so, results/recommendations? Thanks in advance all! |
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07-14-2023, 09:05 AM | #15 | |
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07-14-2023, 02:27 PM | #17 |
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07-14-2023, 02:30 PM | #18 |
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They’re actually all sold out unfortunately! But I may go with H&R VTF; they sound like they’ll work and heights adjustable, so if I don’t slam it and keep it about an inch drop or so, should accomplish what I’m looking for. Thanks for tips - I can post a picture if interested after.
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07-16-2023, 07:18 PM | #19 |
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I have some brand new Eibach springs for sale if anyone is looking to lower their F15.
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07-19-2023, 05:41 AM | #20 | |
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I just lowered my X5 M Sport with rear air suspension. Front springs were replaced with Eibachs (lowered the front by about 15mm) The rears were calibrated using a Snap on diagnostic scan tool. Note, if you are going on this path, with my case anyway, under Air suspension>special functions>rear height calbiration, the encrypted on baseline height said 735mm left and right. when you input your new height, it will want to match that baseline number, so, if you want to go lower by 10mm, you input 745mm, and on board computer will pretty much think, oh i'm too high compared to baseline, lets lower by 10mm...and if you want to go higher, then go opposite. Also, if you want to calibrate again, you do it off the base line, and not what you previously put in, if that makes sense, so repeat the above process. Hope this helps..kinda of a bit long sorry ! This is my ride height now:
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08-10-2023, 12:32 PM | #21 | |
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08-10-2023, 06:08 PM | #22 | |
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So yes, you can (as I have done) We used a Snap diagnostic tool and purely "tricked" the air suspension computer to think it was too high, and it lowered the rear. If you want more detail, let me know. FYI - I went down by about 15mm. (stock M adaptive dampers) anything lower than that, i would recommend coilovers as the rear starts to get a bit too bumpy.
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