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#51
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Drive safe. |
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#52
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My35d had 3rd row and air springs in the rear. It also had AD shocks and after refurbishing the suspension it was a magic carpet IMO. A lot of the last few years I had Michelin Latitude Tour 255/50/19 on it and that was a great tire for it. Quite and tracked very well but not too soft. One thing I did notice was that the suspension gets very "crashy" when it wears out. The noise is terrible but once replaced even my wife commented it felt like new. On the other hand my e53 has the sport suspension, that is quite a harsh ride on anything other than newly paved roads.
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2003 4.4i black ext./black int./black headliner (kid's runabout) 2014 535d X-drive, M package, silver/black interior Sold but not forgotten: 2009 E70 35d, black ext./black int./black headliner (sold 2021) 2006 4.8iS Le Mans blue/cream int./black headliner, SOLD in 2012 sadly... Other hardware: 2015 Cayenne S (wife's new DD and definitely wroooommmmm) 2016 Tundra 1794 edition crew cab, luxo hauler 2005 Tundra crew cab, weekend hauler. Sold after 150k very happy miles. |
#53
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#54
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2007 x5 very harsh ride
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The PO must have upsized. I was a little surprised to see /55 and /19 as I was expecting 255/55/18 like every other X5 I've worked on. It didn't occur to me that the upsize to 19 without downsize on ratio would explain a couple things like why my dashboard reads a mpg better than receipt math hmmmmm. That is almost enough to put my Speedo at the correct speed at 75 which probably good to figure that out sooner than later.
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2011 E70 • N55 (me) 2012 E70 • N63 (wife) |
#55
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Also: if it helps explain why my ride is premium all the better. They are highly rated non RFT tires and nice ride that definitely feels more sporty than wife's 50i which is a hoot.
Sent from my iPhone using Tapatalk Pro
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2011 E70 • N55 (me) 2012 E70 • N63 (wife) |
#56
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18" wheels would prob be best for ride quality. My winter setup uses 235/60/18 and the ride is plush, probably like a Japanese SUV like an RX350. Took a quick look, even their 2022 used a 55 sidewall with 20" wheels.
Also, 20" Michelin Ps4 non RFT aren't too bad. Previous 20" RFTs were rock hard but initial turn in was car-like. I generally run around 33psi all around fwiw.
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e70 - purchased 6/2018 e36 - wouldn't pass smog at 190k 2016 e53 - transmission blew at 225k 2012 e30 - sold as it was a little slow for a DD and burning oil at 220k 2011 |
#57
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Wife's e53 came with 235/65/17. Wow that was a spongy soft ride.
Interesting that the 255/55/18 vs. 255/55/19 seems appreciably different. I have to double check the shock model on mine vs. wife's car since hers with the '18 seems to be a harsher ride. (Not terrible like causing this thread just I noticed when I got my car it's definitely a smoother ride)
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2011 E70 • N55 (me) 2012 E70 • N63 (wife) |
#58
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I apologize for getting back so late on this and I do appreciate it if you can help me figure out what’s going on because there’s no way in hell I can conclude that my smooth or like a magic carpet after I swapped out the whole suspension. My car is a 2007 x5 3.0 non sport suspension with 3rd row. The vin number is: 5UXFE43597L018367 I’m still confused by what air suspension really means. I have air bags in the rear of the car that I can hear inflate which makes the height of the car go up and down. But when I replaced my shocks and struts, I replaced the OEM ones with the following set from Fcp which my understanding is not an “air” suspension which is why I said I don’t have air suspension. Shock absorber; https://www.fcpeuro.com/products/bmw...-sachs-315-314 Struts: https://www.fcpeuro.com/products/bmw...hs-31326781917 My assumption is that these are the correct parts as they were verified by fcp but maybe someone can confirm ? The front of my car is actually fairly smooth but the rear feels exactly how the previous poster described it - “very crash” I definitely understand they tires play a big and my tires are close to being worn out so maybe new tires will help ? That being said, I definitely thought that after replacing the shocks and struts (even replaced the strut mounts) my truck would get the “magic carpet” ride that others describe. Thanks for everyone’s help! Sent from my iPhone using Tapatalk |
#59
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Air springs (not bags those are for crashing), hold the weight of the car. Shocks only absorb bumps. Strut is similar to shock but used in the front in the center of a coil spring.
It's very easy to see if you have air or coil spring and very common to have air spring in back and coil spring/strut in front. The shock is likely the biggest difference in how firm the drive feels as higher performance shocks resist the motion of the tires following bumps and dips in the road. That's why "sports suspension" will perform better with the trade off of harsher ride.
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2011 E70 • N55 (me) 2012 E70 • N63 (wife) |
#60
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BMWs are supposed to have a firm ride. It stems from the handling requirements by BMW. I don't understand buying a BMW then trying to make it ride like it is floating down the road and compromising handling and safety. I suggest 4 inches of foam over the seats and staying with stock specs for shocks, struts and tires would be a better solution.
I agree that most of the suggestions that have been made could result in a softer ride but IMO not worth the resulting collateral damage. I have driven a Lexus crossover. Nice soft ride. It wasn't mine so I don't know how it handled. I would suggest finding an X5 as much like yours that is for sale and drive it to see if the ride is the same as yours.
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