BMW i4 Tyres
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BMW i4 tyres include several staggered pairs, where the rear tyre is a size wider than the front. That affects how you replace, rotate and price a set, so the markings on your sidewall are worth a close look.
Tyre Sizes That Fit This Collection
The list shows 18, 19 and 20-inch options, with each staggered line giving the front size first and the rear size second.
- 245/40R19 tyres front and 255/40R19 tyres rear: factory fitment, 2021 onwards; staggered fitment, so front and rear tyres differ
- 225/50R18 tyres: factory fitment, 2023 onwards
- 245/45R18 tyres front and 255/45R18 tyres rear: factory fitment, 2025 onwards; staggered fitment, so front and rear tyres differ
- 255/35R20 tyres front and 285/30R20 tyres rear: factory fitment, 2021 onwards; staggered fitment, so front and rear tyres differ
- 265/35R20 tyres front and 275/35R20 tyres rear: also listed as a fit, 2021 onwards; staggered fitment, so front and rear tyres differ
Match both axle sizes to the placard, and check the load index and speed rating on each tyre. A front tyre will not fit at the rear or the other way round. Find a store near you if you want the sizes confirmed before you order.
Replacing front and rear tyres
Because the two axles use different sizes, tyres cannot be rotated front to back. Side-to-side swaps on one axle work only if the tread is not directional.
Measure each axle on its own. The legal minimum is 1.5mm across the main grooves, though rear tyres often wear differently from the front. For the wider 20-inch pairs, compare sport and performance tyres against everyday options.
Large sizes and price spread
The 225/50R18 is the cheapest line here, and the 20-inch staggered pairs sit far above it. The spread is wide, so price a single axle before you commit to a full set.
Check run-flat markings on your sidewalls, and ask the store before swapping between run-flat and standard tyres. Read the date code on both axles as well, since the pairs may have been fitted at different times.
With short sidewalls on the larger pairs, kerb contact can scuff the tyre and bend the rim. Book a wheel alignment check after fitting, and inspect the sidewalls whenever the tyres come off.
One BMW badge, different tyre lists. The BMW Z4 tyres and BMW iX1 tyres pages give the sizes that belong to those models.
FAQs
What size tyres does a BMW i4 take?
Factory sizes listed include 245/40R19 front with 255/40R19 rear, 225/50R18, and 255/35R20 front with 285/30R20 rear. Check the placard for your exact pairing.
How much do BMW i4 tyres cost?
Tyres are listed from $169 up to $3895 each, with the 20-inch staggered sizes at the top end. All prices include fitting, balancing, tubeless valves, GST and old tyre disposal. The most expensive BMW i4 tyre on this page is a specialist high-performance tyre, so check its listing before you order.
Can I swap front and rear tyres to even out wear?
Front-to-rear swaps are out on a staggered set, since each axle takes its own size. You can only swap sides on the same axle, and only if the tread pattern is not directional.
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