BMW i4 Tires

BMW i4 uses five tire sizes across 2022 through 2026: 225/50R18 on 18-inch wheels, 245/40R19 on 19-inch wheels, 255/40R19 on 19-inch wheels, 255/35R20 on 20-inch wheels, and 285/30R20 on 20-inch wheels. All five sizes appear throughout the full model span rather than being limited to one early or late production phase, which means the correct choice depends on the wheel package fitted to the individual car.

That makes the sidewall marking on the tire and the wheel diameter the fastest way to confirm fitment. A BMW i4 with 18-inch wheels does not interchange directly with the 19-inch or 20-inch sizes, and the wider 255 and 285 sizes point to a different application than the narrower 225 or 245 sizes.

A 2022 BMW i4 can show five tire sizes because that model year spans multiple wheel and fitment configurations. The split is primarily a rim-diameter split, with 18-inch, 19-inch, and 20-inch wheel applications all appearing in the same year, and some of those wheel diameters also use different tire widths and aspect ratios.

That means model year alone is not enough to choose a tire for a BMW i4. Check the exact size molded into the sidewall and confirm whether the car has a square setup or a wider paired fitment before replacing anything, especially if the car uses 20-inch wheels with noticeably different front and rear widths.

BMW i4 uses three rim diameters across the 2022 to 2026 span: 18 inches, 19 inches, and 20 inches. The 225/50R18 size is built for 18-inch wheels, the 245/40R19 and 255/40R19 sizes are built for 19-inch wheels, and the 255/35R20 and 285/30R20 sizes are built for 20-inch wheels.

Rim diameter is the hard stop in fitment because a tire cannot be mounted to the wrong wheel diameter. If a BMW i4 owner is comparing options, start with the wheel size cast or stamped on the wheel itself and then match the tire size exactly rather than trying to substitute across 18-, 19-, and 20-inch groups.

A 2024 BMW i4 can use any of the five listed sizes, so the correct answer comes from the specific wheel and tire package on the car rather than the year alone. The available fitments are 225/50R18, 245/40R19, 255/40R19, 255/35R20, and 285/30R20, covering 18-inch, 19-inch, and 20-inch wheel diameters.

Start by reading the complete size from the current tire sidewall and then compare it to the wheel diameter. If the BMW i4 has wider rear tires than front tires, verify each axle separately rather than assuming the car uses the same size all around, since the broader 20-inch sizes often indicate a staggered-style arrangement.

BMW i4 tire offerings include Blackwall, RWL, and Redline sidewall styles. Blackwall appears across all five sizes, while RWL and Redline options are offered in the 255/35R20, 255/40R19, and 285/30R20 sizes through the Pro-Trac Street Pro III line.

That gives BMW i4 owners a choice between a more contemporary Blackwall appearance and a more customized visual treatment on certain 19-inch and 20-inch sizes. If appearance matters as much as fitment, choose the sidewall style only after confirming the exact tire size, since not every sidewall treatment is offered in every wheel diameter.

BMW i4 tire options in these sizes come from BFGoodrich, Nitto, and Pro-Trac. BFGoodrich appears across all five listed sizes, Nitto covers selected 20-inch applications, and Pro-Trac appears in several 19-inch and 20-inch sizes with multiple sidewall style choices.

Brand choice can help narrow the field once the size is confirmed. A BMW i4 owner deciding among brands should first lock in the correct wheel diameter and section width, then compare the available series within that size rather than starting with brand alone.

BMW i4 tire choices include BFGoodrich g-Force Sport Comp 2, BFGoodrich g-Force Comp 2 AS, BFGoodrich g-Force Phenom T/A, Nitto NT555 G2, and Pro-Trac Street Pro III. All are radial tires, but they represent different product families, with some sizes offering several BFGoodrich g-Force variants while others add Nitto or Pro-Trac alternatives.

That matters because two BMW i4 tires can share the same size yet belong to different series with different styling and intended character. Once size and wheel diameter are settled, compare the series available in that exact fitment to decide whether appearance, broader brand selection, or a preferred tire family is the priority.

A BMW i4 should be stored on a clean, dry surface away from direct sunlight, electric motors that generate ozone, and large temperature swings. Tires last better when they are kept out of standing moisture and petroleum contamination, and the car should not sit for extended periods with one contact patch carrying the same load month after month.

For practical care, move the BMW i4 periodically or adjust storage methods so the tires do not develop flat spots from long static loading. Keeping inflation at the correct level for storage and checking it regularly is especially important on a heavier electric car, where underinflation can stress the sidewalls even when the car is not being driven.

Tires on a BMW i4 should be inspected at least monthly and again before any longer drive. Look for uneven shoulder wear, cuts, punctures, sidewall bulges, and signs that the front and rear tires are wearing at different rates, particularly on cars that use wider rear fitments.

A routine inspection is also the best time to verify that the size on each axle still matches the intended setup. BMW i4 owners running 19-inch or 20-inch combinations should pay close attention to tread condition and air pressure, because lower-profile radial tires can show the effects of alignment or inflation changes more quickly than taller sidewall designs.

BMW i4 tires should be replaced when age cracking, impact damage, persistent vibration, sidewall deformity, or irregular wear appears even if tread depth still looks usable. Low annual mileage does not stop rubber from aging, and an electric performance car can expose weaknesses in an older tire long before the tread is gone.

That means replacement decisions on a BMW i4 should consider condition and age alongside remaining tread. If the car has been stored for long periods or has sat on the same tires through multiple seasons, a careful inspection by a qualified tire professional is wise before regular road use resumes.

The listed BMW i4 tires are modern radial road tires in contemporary metric sizes, so they are intended for normal public-road use when the correct size is matched to the correct wheel diameter and the tires are in proper condition. The fitments cover 18-inch, 19-inch, and 20-inch applications, and safety depends on selecting the exact size the car requires rather than a near match.

For a BMW i4 owner, that means checking size, inflation, and overall condition before assuming any listed tire will work on the car. A sound tire in the proper 18-, 19-, or 20-inch application is the key point; a wrong-diameter or mismatched axle setup is not an acceptable substitute just because the tire is close in width.

Before driving a BMW i4, check tire pressure, visible tread and sidewall condition, and confirm that the tires fitted match the wheel diameter on the car. If the BMW i4 uses different front and rear sizes, verify both axles separately so a wider rear fitment is not accidentally replaced or rotated into the wrong position.

A short walkaround catches most problems before they become expensive or unsafe. On a BMW i4, that includes watching for curb damage on lower-profile 19-inch and 20-inch tires and making sure any tire replacement has preserved the same size family the car was already using.

A BMW i4 should be driven within the operating limits of the specific tire fitted, with proper inflation and in sound condition. The listed BMW i4 tires are modern radial performance-oriented products rather than antique reproductions, so the practical limit is determined by the exact tire specification and the condition of the car rather than by an inherently low historical speed ceiling.

In real use, the safe approach is to match the BMW i4’s driving speed to road conditions, tire condition, and the intended use of the tire series installed. Even on a modern EV, damaged, aged, or underinflated tires can undermine stability and braking long before the tread appears fully worn.