09-10-2017, 02:11 PM | #45 | |
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First impressions: the Dinan spring setup is what the X5M should be like from the factory. Gone is the floaty feel and noticeable body roll even on the gentlest of corners. The comfort level is anything but harsh and not too far off the stock rebound setup. All in all, it's a minor tweak that isn't in your face and solely is for the improvement of overall handling characteristics. I have not experienced any issues with the rear suspension like some mentioned with the H&R setup, and I made it a point to drive over various types of bumps/unevenness at different speeds. No complaints for me, but do not expect an aggressive drop of any sort. More time behind the wheel will tell, but my installer suggested I get the alignment done after driving the car around for a bit to allow the new front springs to settle. EDIT: the following statement is corrected in a subsequent post. Note to those considering this: the bump stops in the ride handling kit come as a set of 4, all are identical. The rear airbag configuration with EDC renders two of the bump stops useless since the only adjustment to the rears is the adjustable Dinan links. I can sell the two I have for half off to avoid paying the full retail cost. After (above) and before (below) photos posted.
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09-10-2017, 02:13 PM | #46 |
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Side profile with Dinan springs. Clearance to highest point on fender flares is 31.25" on all corners, resulting in a 1" drop compared to stock.
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09-11-2017, 08:19 AM | #47 |
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It's noticeable and looks good. The car should've came from the factory like that. If the front springs were to settle-in and drop further, would the self-leveling rear automatically drop to match the front?
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09-11-2017, 09:47 AM | #48 |
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Looks good, may settle a little lower. I look at the stock ride height sometimes and think "monster truck." Lol.
So the bump stops didn't fit or work with the rear dampers? On real oem the bump stops are listed as "additional shock absorbers" and the front and rear have different part numbers and look a little different. Last edited by jandref321; 09-11-2017 at 09:48 AM.. Reason: Fixed a misspelling of "ride" |
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09-11-2017, 10:07 AM | #49 | ||
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09-11-2017, 02:07 PM | #50 |
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I think your installer was being lazy. The X5M is only rear air ride, but regardless of whether or not you have coil springs or air springs you have a separated damper in the rear. In the front you have a combined spring/strut but in the rear it's a spring by itself and then a damper(strut) by itself. On both the front and the rear the bump stop prevents complete compression of the damper(aka strut). The DINAN kit has front coil springs and rear links to adjust the air spring height. It's easy to install the front bump stops when installing the spring because it all comes apart, but the rear you only need a 10mm wrench to install the links. To install the rear bump stops you have to take apart the whole trunk/storage area to unbolt the dampers, unbolt from the lower control arm underneath, pull them out from the bottom, and install the new bump stops. The installer probably didn't want to go through the hassle and called it a day.
Here is the rear Damper with the bump stop highlighted:
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09-11-2017, 02:11 PM | #51 | |
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09-11-2017, 02:32 PM | #52 |
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Thanks for all the info and updates on the Dinan spring set up!
I wonder if the bump stops in the kit are borrowed from another model? I believe for the E90 M3 Dinan uses E36 M3 bump stops. OP, could you check for any part numbers on your uninstalled Dinan bump stops? |
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09-12-2017, 09:38 PM | #53 | |
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09-13-2017, 06:13 AM | #54 |
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Thanks! Sorry to keep asking questions, are there any part numbers on the stops themselves?
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10-31-2017, 04:39 PM | #55 |
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The OEM carbon fiber splitter completes the front end nicely!
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10-31-2017, 05:27 PM | #56 |
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For the rear, I custom-ordered a rear diffuser in 2x2 weave. Just waiting for it to arrive and looking forward to the rear end transformation
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11-01-2017, 01:52 AM | #57 |
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Your truck is looking sexy! You gonna pick up the X6M hood? or Euro Vorsteiner hood?
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11-01-2017, 02:52 PM | #58 |
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Thanks! As tempting as the X6M hood is, it's not something that is on my radar. These cars should have been equipped with the power dome from the start!
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11-02-2017, 12:54 AM | #59 |
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11-02-2017, 06:00 AM | #60 | |
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11-07-2017, 10:09 PM | #61 |
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Took exactly a week for the diffuser to arrive. Not bad for international snail mail! The box is all styrofoam and packaged very well.
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11-07-2017, 10:30 PM | #62 | |
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11-08-2017, 02:28 AM | #63 | |
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11-08-2017, 07:46 AM | #64 | |
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11-08-2017, 08:06 AM | #65 | ||
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11-09-2017, 11:11 AM | #66 |
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I purchased the diffuser from cnautofans and they are made to order. It took about a week to manufacture and I requested a 2x2 weave instead of the 1x1 they advertise so that it matches the finish of the OEM front lip. They did so at no additional cost and sent me photos before they shipped off at my request. Not bad for overseas service!
Here are some detailed pics of the diffuser. The core is fiberglass (not what I initially thought) and the outside finish is decent, but there are some quirks that you see up close compared to an OEM product. The fit is spot on and requires adhesive and bolts for the underside. Will take before and afters when I get to the install.
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