BMW iX
Find Tyres for 2021-present BMW iX (I20)
Common factory fitments and replacement guidance for the 2021-present BMW iX.
About this generation
Chassis code I20 identify this generation in parts catalogues, fitment databases and OEM tyre listings — useful when ordering online.
This generation of the iX runs on 19-inch or larger wheels in some trims, which means short-sidewall tyres that handle precisely but are less forgiving on rough UK roads.
Chassis code: I20. Use the chassis code to confirm you have the right generation when ordering tyres.
Common factory tyre sizes
UK-market factory fitments for the 2021-present BMW iX typically include:
Original-equipment sizes shown here are typical UK fitments. Sport packs, optional alloy upgrades and dealer accessories can change the size — always confirm before fitting.
Tyre fitment for any BMW iX depends on the wheels and trim ordered from new. The most accurate way to confirm a replacement is to read the size from your existing tyre sidewall.
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Tyre sizes vary by trim, year, wheel size and manufacturer specification. Confirm the size on your tyre sidewall before fitting.
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Frequently asked questions
Quick answers about UK tyre fitment, MOT rules and seasonal options.
What wet grip should I look for on the BMW iX?
For UK driving conditions, prioritise an EU tyre label wet-grip rating of A or B. Wet grip directly affects braking distance — the gap between A and E ratings can be more than a car length at 50 mph.
How long should tyres last on the 2021-present BMW iX?
Typical UK tread life on the BMW iX is around 20,000-40,000 miles depending on tyre brand, road conditions and driving style. Heavier trims tend to wear faster.
What tyre size does the 2021-present BMW iX use?
Common UK factory fitments for the 2021-present BMW iX include 255/55 R20, 255/50 R21, 275/40 R22. The exact size depends on the wheel and trim ordered — always confirm on your tyre sidewall before fitting.
Is the BMW iX still on sale in the UK?
As of the 2021-present window, the BMW iX is currently on sale in the UK. Tyre fitments listed here reflect UK-market specifications.
What should BMW iX drivers know about UK potholes?
UK road conditions are tough on tyres. Check sidewall bulges, cuts and tread depth regularly — especially on the inside edge, which often wears unevenly. A 20p coin gives a quick legal-tread check.
Tyre Finder UK provides general tyre guidance only. We do not guarantee tyre fitment, local stock, prices or fitting availability. Always confirm your tyre size, load rating, speed rating and vehicle requirements using your current tyre sidewall, vehicle handbook, manufacturer guidance or a qualified tyre fitter before fitting.