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      02-18-2023, 04:38 PM   #67

Drives: BMW 750i X
Join Date: Feb 2023
Location: Los Angeles

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I have a 2020 750i XI that has the original run flat 19ís on it ( about 11k miles ) super smooth and super quiet. I have no complaints. I am coming from a 2015 S 550. They are equally as smooth and quiet.

The 750 has the Autobahn Package and the S 550 had the Magic Body Control package.
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      02-19-2023, 02:05 PM   #68
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Drives: BMW i8
Join Date: Jan 2022
Location: Finland

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Here's 740Le xDrive with OEM square setup (4 x 245 / 45 / 19"). At least they're really quiet, not much road nor tire noise. Tires are Michelin Pilot Sport 4's, simply because I like Michelin tires in every car I have. The tires make huge different between noise and handling.

I could not care less about "sportiness" of a luxury barge, thus optioning for OEM setup. I have other cars to take on those "Canyon roads". This is just my DD to get me from A to B, as comfy as possible. I can't even recall when did I do a full acceleration with it, early last summer? Not my cup of tea try to drive aggressively in canyons or such with 4850lbs heavy, full size sedan

Mine has done already 124k km (77k miles) and has zero rattles or issues or such. Nothing to complain. The car has every imaginable options ticked, meaning extra sound insulated, laminated glass windows for example.
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      02-19-2023, 06:49 PM   #69

Drives: BMW 740i
Join Date: Sep 2020
Location: USA

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I've had an interesting observation/experience on tire noise. I've had 2 different sets already - OEM Pirelli RFTs and now on Michelin Pilot Sport A/S 4 (Non-RFT).

Average noise registers <60 dB, cruising at 40mph on concrete road on either tire. However, since I have staggered tires (RWD), the rears worn out quicker and there's an overlap where I was running OEM Pirelli's on front and PS A/S 4 at the rears. During those days, the tire combo was louder (>70dB) on the same road cruising at the same speed. Then it went back down to <60 dB when I've finally replaced the pirelli's in front. Not exactly sure what happened there. Maybe there some kind of active noise cancelling that drowns out specific tire noise frequency. But since these tires produce different noise profile, maybe the anc system is unable to filter them both ? Just a wild guess. It's not an issue enough for me to do something more than posting about it lol.
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      03-01-2023, 10:53 AM   #70

Drives: G11
Join Date: Jan 2011
Location: London

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Originally Posted by tmlivingston View Post
Can I trouble you for the year of the one you hate? Thanks, Tanya

I do prefer the LCI overall.

I also prefer mine now with the normal tyres on it.

Truth is - looking at what's around the only car that does impress me on the quality ride and quietness is the iX - The iX ages the X5 massively - which again is a shame.
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