I am also looking for 20" for a winter setup, especially since I ordered mine with 22"s and summer tires.

 

Yeah so for 20" you will want a 20x8.5" (if you go with 235/245 widths, +28 to +32ish offset) or 20x9" (if you go with 255-275 widths, +35 to +39 ish offset) wheel, PCD 5x112, Center Bore 66.6.
Tires you can go with 235/60R20 (BMW 20" OEM size), 255/55R20, 275/50R20 (preferred), and possibly even 285/50R20 with +40 offset (I need to go measure this).

 

Have you upsized your OEM 255/50R21 to 275/45R21?

 

Yeah that was one consideration but the problem is that the tire selection and pricing for 21” is atrocious at >$500/tire. I plan on driving around 40k miles a year (lot of LA-Vegas and LA-SLC) like I do currently so I’m going to go through tires quick. 20” and 22” tires are much cheaper than 21’s, and they don’t make A/T’s in 21”. I will most likely just sell my OEM set immediately after I take delivery of the car.

 

I would prefer 19 inch wheels myself... for a variety of reasons. Cheaper tyres, lighter weight, and ideally slightly aero in aspect. Mine is coming with the standard sport wheels... but the roads in the Bay Area are like the surface of the FUCKING MOON so.... more rubber. I already had one Tesla rim crack on some of the potholes here. Stupid rubber band low profile tyres.. fuck that. SO...... 19 inch at most on an SUV for me, and 18s on cars. I would ideally even like 18s on the iX and a lot more rubber.... I m not in this for looks, im in this for utility and the real world benefits thereof.

Any ideas on 19s? I saw one set once... last year but I cant see them anymore and they took them off the configurator end of last year... dammit. Perfect day to day 19s and longer range and more rubber for better road ride.

 

I would prefer 19 inch wheels myself... for a variety of reasons. Cheaper tyres, lighter weight, and ideally slightly aero in aspect. Mine is coming with the standard sport wheels... but the roads in the Bay Area are like the surface of the FUCKING MOON so.... more rubber. I already had one Tesla rim crack on some of the potholes here. Stupid rubber band low profile tyres.. fuck that. SO...... 19 inch at most on an SUV for me, and 18s on cars. I would ideally even like 18s on the iX and a lot more rubber.... I m not in this for looks, im in this for utility and the real world benefits thereof.

Any ideas on 19s? I saw one set once... last year but I cant see them anymore and they took them off the configurator end of last year... dammit. Perfect day to day 19s and longer range and more rubber for better road ride.

you wouldn't believe but today I bought a whole set of new tires on 18-in rims
The car runs well, even softer than 20 inch
the only problem IX could not identify them

2 new items by Vladimir Kovalev

photos.app.goo.gl

https://photos.app.goo.gl/V1eKgHJoh1SQ9kqP7

the idea is to keep new tires in storage until the end of the lease comes up
and then put it back
so that BMW is not going to charge me a full price for worn out tires
I did the same thing on Tesla and it worked fine

 

Agreed on the terrible CA roads. If you're dead set on 19's then that's cool. In your situation, Iwould probably do 20x8.5" wheel with a 265/50R20 (volume size, cheaper/lighter tire), 275/50R20 (correct height), 285/50R20 (heaver by 3-4 pounds/tire but more sidewall and taller) A/T tire if you want max protection and ruggedness since A/T tires have great shoulder/sidewall protective designs. I'm worried the 19" won't clear the calipers.

In SoCal the roads are equally terrible (except for OC). I'm measuring out for forged 22's later this week to see if I can run 285/45R22 (taller by 1") for more sidewall, otherwise 285/40R22 will suffice. The grip on the standard tires is very uninspiring and I gotta change out ASAP.

 

FOR SALE 22" Aero Bi-color rims Style 1020 22 x 9.5 (36 11 5A 26 58)

 

275/45R20 will fit, but they're 3% shorter than OEM tires for the iX (255/50R21 and 275/40R22) so your speedometer will be at least 3% higher than what you're going. 275/50R20 is the proper 20" fitment.

 

the rims I am selling are 22s

 

Where are you located?

 

Most people probably want to stick with tire diameters as close to stock as possible. In terms of widths, that's really up to what you want. For EVs, the narrower the tire, the more range you get because of less rolling resistance, but also less grip because of less contact patch, given the same model tire. In terms of price, 21" tires will be the most expensive because they're very low volume sizes, then 22" and then 20" will be the least expensive.

I don't care about keeping stock diameter so I pushed it to as tall as possible without rubbing for comfort. For me, 275/55R20 for my winter set is SO comfortable and doesn't rub on anything (with ET25 offset on 20x8.5" wheels). My daily set is 285/45R22 on 22x9.5" ET25 wheels and they rub only on big bumps. They're both about 3% taller than stock with no major issues over 20k+ miles.

275/50R20 is closest to stock diameter without being too "crazy" wide. It's also a volume size so there are lots of tire options that are inexpensive.

 

So Costco is saying the 275/50R20 won’t fit an iX. Think their systems are up to date, or is this offset business something they don’t do? Followup question: is there anything to offsetting tires that aren’t perfectly stock measurements? Does it require new wheels?

 

@vinsanity I've got an iX40 with Pirelli P-Zero Elect 275/40 22" from the factory and even though they are designed for low rolling resistance, they offer pretty good levels of lateral grip. I pulled almost 1G going round a roundabout the other day (according to the G-force meter on the dash)

 

Hello, do you think I can fit 255/70 R18 tires on my iX without rubbing? Much thanks in advance.

Hello, do you think I can fit 255/70 R18 tires on my iX without rubbing? Much thanks in advance.

my wheels don't rub
but the Discount Tire folks first tried a different kind (cheaper)
I don't remember which one
it did rub and it didn't clear the brake assembly
the new ones rub very little when you back up and only if you turn the wheels to capacity
unfortunately, the only way to know is by trial and error
Discount Tire does it all for free
you won't lose anything

 

I have the same rubbing type on my Toyota Sienna with taller profile tires. The contact occurs between tire edge (angle) and plastic cover in wheel well on cabin side. I can see shiny rubbing marks on it. It is insignificant and does not bother.
Do you know by chance what is your offset? I am looking into tire/wheel packages on Tire Rack and Discount Tire.
The reason is to make the ride softer, I do not have air suspension.
Tire Rack configurator shows for wheels 255/65 R18 offset between +32 and +28. I would like to get side profile as 70 to cushion more, same like yours. Much thanks.

 

If you don't have ALĹ WHEEL STEERING AND AIR SUSPENSION you can do a lot of options.

 

ALĹ WHEEL STEERING AND AIR SUSPENSION
I do have that, and I like it

 

Your first clue is the WARNING IF YOU USE SNOW CHAINS turn off what?

 

we don't have snow here

 

Good answer....took a while for your response. Good nite JOHN BOY 👦

 

This thread is worthless without pics

Having an aftermarket wheel and tire thread without pictures speaks for itself.
I had a set of 2014-16 20" black vapor chrome OEM Jeep SRT wheels I put on my M60.
The tires I used were 265-50-R20 V rated for 160 mph which matched the height of the 22" wheels
in the menu and only cost $520.00 for 4.