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2010 2011 BMW 5 Series Forum F10 KW-V3 vs. Neomax Spring Rates - Order Placed |
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01-01-2023, 07:52 PM | #45 |
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It’s the bridge by the airport on the Rockliffe parkway. It’s got steep ramps on either side and many stock vehicles don’t have enough suspension travel and damping to travel comfortably over without bottoming, especially eastbound where there’s a sharp bump at the bottom as well. The speed limit is only 60 km/h but I’m usually going 75-80 if there’s no traffic.
With the Silvers I had to slow down in both directions. On the KWs I can take it westbound not bad, but still have to slow to 65 or so going eastbound. I live in Orleans and work in Gatineau, but we’re building a new place north of Stittsville. Where were you while in town? |
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01-01-2023, 08:38 PM | #46 | |
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I know the Rockcliffe Parkway very well. I used to bike commute along it often and also used to do the biking thing when they closed off the road during the summer. I now live in a bit of a milder climate out here on the west coast, since I had my choice of places to live when I retired back in 2018. Thanks for the update. I guessed you were in Orleans from a few of the pics you posted, but I wasn't sure. I had my F10 xDrive in full winter mode when we were in Orleans, with Nokian Hakkapeliitta tires and stock suspension. It was unstoppable! Cheers.
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01-01-2023, 09:07 PM | #47 |
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Small world - we were neighbors! I’m just off Jeanne D’Arc and Hunter’s Run, been here since 2009. Cheers to that warmer climate! So far this year has been mild, but that can change anytime.
My car isn’t much lower than stock, still a tank in the snow! |
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01-02-2023, 09:38 AM | #48 | ||||||
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I guess I was preparing to be disappointed by KW as well. As of today I have 30k km on them. I appreciate that they are designed to be rebuilt. 1/ I have some concern about the impact of road salt on them, despite being "InOx" line and 2/ on the XDrive, the job on the front end was not any fun, and I really don't want to repeat it if I don't have to - ever. Furthermore, this is my DD and only vehicle - what do I drive while the shocks are out being rebuilt for...weeks? Quote:
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The other things that took me a while to notice was a dramatic increase in grip during high frequency road disruptions - e.g. the cracked and broken pavement when driving through a commercial area pounded by trucks. It was not a comfortable ride on any suspension, certainly not the KWs, but the increase in surefootedness was dramatic once I realized the difference. Clearly the tire was losing/reducing contact with the road a great deal before the swap. My primary goal was low frequency body control and performance more akin to 704 package E39s or E46s from my F10. Mission accomplished and then some. Quote:
Does not reach compression adjustment on the front. I use a hex driver from my toolbox. Last edited by Surly73; 01-02-2023 at 09:47 AM.. |
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01-02-2023, 09:45 AM | #49 |
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I bought a screwdriver like allen key from Amazon.
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01-04-2023, 04:29 PM | #51 | ||||||
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My F10 shocks look OK, they came off the car with ~95k kms. No visible leaks and they do not stay compressed. Based on what I've read they likely don't have long to live though. Quote:
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Thanks. I'll have to invest in a spare 2mm driver to keep with the car. |
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01-06-2023, 08:38 AM | #52 | ||
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To me it seemed clear that the F10 was designed to have fender gap as part of it's appearance, but even at factory ride height it didn't have a lot of ground clearance. So, there isn't as much to play with when you start chasing attractive stance as if you were dealing with an E chassis car or another brand. Add to that the fact that you could see the wheel well opening was originally at a perfect radius for the original ride height, and I found the larger gaps fore and aft of the wheel compared to above the wheel was becoming a little distracting. Rambling aside - I raised it for a little more headroom before striking things, and a little more compliance in the suspension. So far I'm completely happy. Handling did not suffer in any appreciable way. Still needs spacers or different offset wheels to make it perfect, but it seems like diminishing ROI. I did the KWs for the handling, not (just) the looks. I'd still like M-Sport / M-Technic front, rear and skirts at some point. Quote:
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01-11-2023, 11:26 PM | #53 |
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You're right about the low body/high wheel arches. This is one of the reasons I decided to try a taller tire and went from 26.7" to 27.7" (245/45-19 winter, 275/35-20 summer). This allowed me to reduce the wheel to fender gap by 1" before getting the body any closer to the ground.
I ended up going slightly lower to reduce the gap to less than 1/4", but compared to a car with stock size tires with the same gap I'm 1" higher off the ground. So far it has worked out well with only a minor rub on the inside of the plastic front fender liner where the facia and fender meet. My offset on the front is aggressive enough that the tire will touch the fender on big compressions if the wheel is turned, but that's not too hard to avoid. DSC_6137 DSC_6138 DSC_6142 |
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02-19-2023, 12:44 AM | #54 |
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How long did you ask for the springs on the front to be?
Swift springs come 7 inches in the front and 8 in the rear I have asked for 9 inch rears so it’s easier to adjust height Wondering if keeping the front at 7 is fine
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02-19-2023, 09:07 AM | #57 |
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Here’s a pic of the front off the car. You can see even with the longer spring there’s tons of room left for lowering and the longer the spring the better access you have for adjustments.
Sorry I can’t get a better pic, these are buried behind a bunch of crap in my garage. |
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02-19-2023, 11:02 PM | #58 |
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Thank you! I’ll get 9 inch swift springs from the front and rears
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02-21-2023, 08:58 AM | #59 |
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How much preload is that? Silver recommended only 1/4" of preload - that looks far more than that.
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02-21-2023, 04:13 PM | #60 |
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The 10k/7k springs were a disaster all around. After several discussions with them, we’re not sure why. I suspect the springs were incorrect both front and rear, but they didn’t want them back for testing so we’ll never know.
They recommend 2 turns (4mm) of preload, but they nearly rode on the bump stops and had nearly zero travel like that. So I went to 10 turns (20mm) preload and got coil bind (spring coils touched, exceeded the spring travel). Once I installed the 12k/8k Swift springs everything was fine. I presume everything would have also been fine with the standard 12k/8k springs. |
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02-21-2023, 04:17 PM | #61 |
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Oh, I should have mentioned, that pic of the Neomax is with the car on the ground. I stuck the camera up into the fender for that pic. Might be why it looks like it has 1000 lbs of preload, lol!
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02-23-2023, 07:50 AM | #62 |
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Ah, okay that makes more sense!
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03-20-2023, 06:53 PM | #63 |
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After the shop installed my silvers neomax coilovers they are noticing a thump sound coming from the rear right which also sometimes feels like it’s coming from all around
They also tried to tighten up everything and the noise still persists. I am at 20 in the front and 22 in the rear for firmness The car drives great though other then the noticeable thumb over road imperfections They will try to call silvers tmrw and also diagnose but any ideas on what might be the issue ? My car is a 2012 535 x drive and I opted for the swift springs
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03-20-2023, 09:14 PM | #64 |
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One last thought (in addition to the PM). Since you mentioned you are at the firm end of the adjustment range there’s a possibility the bushing in the hat could be bottoming and making a thump on sharp impacts. Just a thought. I don’t think I ever got mine adjusted as tight as yours are.
Good luck and let us know if you get it solved. |
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