BMW 740i xDrive Tires

BMW 740i xDrive uses nine tire sizes across the years covered here. For 2017-2022, the listed sizes are 245/50R18, 245/45R19, 275/40R19, 245/40R20, and 275/35R20. For 2024-2026, the listed sizes are 255/45R20, 285/40R20, 255/40R21, and 285/35R21. Their rim diameters are exactly what the size codes indicate: 18, 19, 20, or 21 inches depending on the package.

The practical step is to confirm both the year range and the wheel position before replacing a tire. BMW 740i xDrive appears with both square and staggered-style listings, so front and rear tires may not match in width, aspect ratio, or rim diameter. Read the sidewall on the existing tire and compare it to the wheel diameter on the car rather than choosing by model name alone.

A 2017 BMW 740i xDrive has five listed tire sizes because that model year spans more than one wheel package and includes staggered front-to-rear combinations. The 18-inch package uses 245/50R18, the 19-inch combination uses 245/45R19 and 275/40R19, and the 20-inch combination uses 245/40R20 and 275/35R20. That means the size split is tied to rim diameter and wheel position rather than one universal tire size for every car.

If your 2017 BMW 740i xDrive is already fitted with its original style wheel package, the existing front and rear sidewalls will usually tell you exactly which combination you need. If the car has had wheels changed at some point, measure the wheel diameter and verify the front and rear sizes separately. That prevents ordering a correct tire for the model year but an incorrect tire for the actual wheel package.

BMW 740i xDrive uses multiple rim diameters across the years shown here. Early applications from 2017 through 2022 are listed with 18-, 19-, and 20-inch wheels, while later applications from 2024 through 2026 are listed with 20- and 21-inch wheels. The key change is that 21-inch fitments appear in the later group, while 18-inch fitments are confined to the earlier group.

Wheel diameter is the first fitment detail to verify because every tire size on this page is built around that final number in the size code. A tire sized for a 20-inch wheel will not mount on a 19-inch or 21-inch rim even if the rest of the dimensions look close. Checking the wheel itself before comparing widths and aspect ratios eliminates the most common fitment mistake on BMW 740i xDrive.

A 2020 BMW 740i xDrive falls within the 2017-2022 group, where the listed sizes are 245/50R18, 245/45R19, 275/40R19, 245/40R20, and 275/35R20. Those sizes correspond to different wheel packages, and some are front sizes while others are rear sizes in staggered combinations. The year alone does not identify which one belongs on a specific 2020 BMW 740i xDrive.

Start by checking the tire sidewall already fitted to the car, then confirm whether the front and rear sizes match or differ. If the car has 18-inch wheels, the listed fitment is straightforward, but 19-inch and 20-inch cars can involve a narrower front and wider rear pairing. Matching the actual front and rear sizes already on the car is the surest way to avoid crossing square and staggered setups.

BMW 740i xDrive tire options here include Blackwall, RWL, and Redline sidewall styles. Blackwall appears across several BFGoodrich and Nitto sizes, while Pro-Trac Street Pro III adds RWL and Redline choices in select 18-, 20-, and later 20-inch sizes. That gives buyers both more contemporary blackwall appearances and specialty sidewall treatments within the listed fitments.

Sidewall style does not change the required size, so the correct fitment still comes first. Once the proper size is confirmed, the visual decision depends on whether the goal is a discreet modern look or a more custom presentation. On a BMW 740i xDrive, blackwalls will generally read closest to a factory-style appearance, while RWL and redline options create a more personalized look.

Three brands are represented in the listed BMW 740i xDrive tire options: BFGoodrich, Nitto, and Pro-Trac. BFGoodrich appears in several g-Force series fitments, Nitto appears with the NT555 G2, and Pro-Trac appears with Street Pro III in selected sizes. Brand availability varies by size, so not every brand is offered in every BMW 740i xDrive fitment.

Once the exact tire size is identified, brand choice becomes a matter of comparing the product styles available in that specific fitment. Some sizes offer only blackwall choices, while others add RWL or redline versions. Looking at the tire by exact size rather than by model name keeps the comparison realistic and avoids assuming that every brand covers every BMW 740i xDrive wheel package.

BMW 740i xDrive tire series listed here include BFGoodrich g-Force Comp 2 AS, BFGoodrich g-Force Sport Comp 2, BFGoodrich g-Force Phenom T/A, Nitto NT555 G2, and Pro-Trac Street Pro III. All are radial tires, but they differ in brand family, sidewall presentation, and the specific sizes in which they are offered. Pro-Trac Street Pro III is the series that adds RWL and Redline sidewall options in several fitments.

The useful way to compare series on BMW 740i xDrive is to begin with exact size availability, then narrow by the appearance you want on the car. If the priority is a conventional modern look, blackwall series will make up most of the choices. If the goal is a more individualized visual treatment, the Pro-Trac offerings are the place to look within the sizes where they are available.

A BMW 740i xDrive should be stored in a cool, dry, dark space with the tires kept away from direct sunlight, ozone sources, and prolonged heat. Clean the tires before storage, keep them inflated to an appropriate maintenance pressure, and avoid parking for long periods on contaminated concrete or surfaces exposed to petroleum products. Long stationary periods can encourage flat spotting, especially on lower-profile performance-style radials.

If the car will sit for an extended season, moving it slightly from time to time or supporting it in a way that reduces prolonged tire loading can help preserve shape. BMW 740i xDrive uses wide, low-profile tires in several fitments, so neglect during storage tends to show up as vibration or uneven feel once the car returns to the road. Good storage habits protect both ride quality and appearance.

Tires on a BMW 740i xDrive should be inspected regularly even if the car covers relatively few miles. Check inflation, tread wear pattern, visible cracking, punctures, shoulder wear, and any impact damage from potholes or curb contact. On a model with staggered fitments and low-profile radial tires, early signs of uneven wear can appear before the tread is obviously worn out.

A practical routine is to inspect the tires every month, before long trips, and any time ride quality changes. BMW 740i xDrive can hide rear-tire issues because the wider back tires are not always as easy to examine casually as the fronts. A consistent inspection routine helps catch pressure loss and irregular wear before they become alignment, handling, or replacement problems.

A BMW 740i xDrive tire should be replaced when age, cracking, impact damage, separation, or chronic vibration makes continued use questionable, even if the tread still looks acceptable. Tread depth alone is not the only standard on a luxury performance sedan with wide radial tire options. Low annual mileage can preserve tread while the tire itself still ages out.

The practical rule is to treat visible age-related deterioration or persistent ride issues as reasons for evaluation by a qualified tire professional. That matters even more on BMW 740i xDrive because the listed fitments include lower-profile sizes that can be less forgiving of damage from road hazards. Replacing on condition rather than tread alone is the better long-term approach for a collector-kept or lightly driven car.

The listed BMW 740i xDrive tires are modern radial products sized for public-road use when they are correctly matched to the car's wheel diameter and front or rear position. Safety depends on selecting the exact listed size for the specific wheel package, maintaining proper inflation, and ensuring the tires are in sound condition. A correctly sized 20-inch rear tire, for example, is not interchangeable with a 19-inch or 21-inch rear tire.

Before regular road use, check that all four tires match the intended configuration and that there is no accidental mixing of earlier and later fitment groups. BMW 740i xDrive uses combinations that can look similar at a glance but differ materially in section width, aspect ratio, and wheel diameter. Good fitment discipline is what turns a correct tire option into a safe road-going setup.

Before driving a BMW 740i xDrive, check tire pressure, visible condition, tread wear, and the exact front and rear sizes fitted to the car. Also confirm that the wheel diameter matches the tire size and that there is no sidewall damage, bulging, or evidence of impact. On staggered setups, verify that the wider rear size is on the rear axle and the narrower front size is on the front axle.

That pre-drive check matters because BMW 740i xDrive appears here with several closely related fitments across different years and wheel packages. A car that has changed hands or had wheels swapped can end up with an incorrect pairing even when every tire looks new. A quick verification routine before driving helps preserve handling balance and reduces the chance of discovering a mismatch at speed.

A sensible road speed for a BMW 740i xDrive on correctly fitted tires is one that respects the tire condition, inflation, road surface, and the exact tire model installed. The listed products are modern radial tires, but safe speed in real use still depends on whether the set is matched correctly and whether the tires are free from age or impact-related issues. Condition always matters as much as specification.

For practical purposes, BMW 740i xDrive should be driven within normal, legal road speeds and with extra caution if the tires are older, newly installed, or part of a setup you have just verified after a wheel change. High-speed confidence begins with correct fitment, not just performance branding. If there is any vibration, pull, or steering irregularity, reduce speed and inspect the car before continuing.