The 2021 BMW 745e xDrive pairs the long-wheelbase, luxury-focused 7 Series platform with plug-in hybrid power, so tire choice matters for both composure and appearance. It is a modern executive sedan with a more complex fitment story than a single-size classic setup. This model uses radial tires in three fitment positions and configurations: 245/50R18, 245/45R19, and a staggered 19-inch setup with 245/45R19 front and 275/40R19 rear. Available choices span blackwall, redline, and raised white letter sidewall treatments, depending on size. The key step is confirming whether the car is on 18-inch wheels or the staggered 19-inch arrangement before comparing tire series and style.
Which Tire Size Is Right for The 2021 BMW 745e xDrive
Three primary tire sizes apply to the 2021 BMW 745e xDrive, and the correct choice depends on the wheel setup and position on the car. One configuration uses 245/50R18 on an 18-inch rim, while the 19-inch arrangement uses 245/45R19 at the front and 275/40R19 at the rear. Before selecting a tire, confirm both rim diameter and whether the car has a square or staggered setup.
245/45R19 is a metric radial size in which 245 identifies nominal section width in millimeters, 45 is the aspect ratio, R indicates radial construction, and 19 is the wheel diameter in inches. On the 2021 BMW 745e xDrive, this size is part of the 19-inch fitment and is used on the front of the staggered setup. Available choices in this size include BFGoodrich and Nitto offerings, with blackwall styling and several g-Force or NT555 G2 series options. It is the right place to start when the car has 19-inch front wheels and the owner wants to compare brand character, rim-width compatibility, and product type within that size.
245/50R18 is a metric radial size that uses a 245-millimeter nominal section width, a 50-series profile, and an 18-inch rim diameter. On the 2021 BMW 745e xDrive, this size belongs to the 18-inch wheel configuration rather than the staggered 19-inch setup. Product choices in this size include Pro-Trac Street Pro III tires with either raised white letter or redline sidewall presentation, which creates a more appearance-driven decision than the blackwall-only 19-inch sizes. This size should be considered only after confirming the car is actually on 18-inch wheels, especially if wheels have been changed from original-style equipment.
275/40R19 is a wider metric radial size with a 275-millimeter nominal section width, a 40-series profile, and a 19-inch rim diameter. On the 2021 BMW 745e xDrive, it serves as the rear tire in the staggered 19-inch arrangement and should not be treated as a universal four-corner size. Available products include blackwall tires from BFGoodrich and Nitto across g-Force Sport Comp 2, g-Force Comp 2 AS, g-Force Phenom T/A, and NT555 G2 series. This size matters when matching the rear fitment correctly on a 19-inch setup and preserving the intended front-to-rear tire relationship.
Sub-model fitment for the 2021 BMW 745e xDrive is tied closely to wheel diameter and tire position. Checking whether the car is shown as Base, Base Front, or Base Rear helps separate the 18-inch square fitment from the staggered 19-inch front and rear sizing.
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2021 BMW 745e xDrive Base
The Base configuration is associated with both 245/50R18 and 245/45R19 radial sizing, so this is the broadest fitment entry for the model. Tire selection here starts with confirming the wheel diameter actually on the car, then narrowing the choice by sidewall style, brand, and tire series.
The Base Front position uses 245/45R19 in radial construction as part of the staggered 19-inch setup. That makes front-tire selection more about matching the correct front size and comparing available blackwall product options than choosing between multiple fitment formats.
The Base Rear position uses the wider 275/40R19 radial size on the 19-inch staggered arrangement. Rear tire selection should focus on keeping the correct rear size in place and checking wheel width compatibility before comparing the available blackwall tire series.
The tire sizes listed on this page assume factory-standard vehicle configuration. The following modifications may affect tire fitment and are not reflected in this guide:
Suspension changes (lowering, lift kits, spring replacements)
Body alterations (fender modifications, custom bodywork)
If your vehicle has been modified from factory specifications, verify tire clearance before purchase.
Best 2021 BMW 745e xDrive Tires for Sale
Available 2021 BMW 745e xDrive tire choices span BFGoodrich, Nitto, and Pro-Trac, with selection differences driven by wheel size, tire series, and sidewall style. The 19-inch sizes are offered in blackwall sport-oriented radials, while 245/50R18 adds redline and raised white letter Street Pro III options.
Common questions for the 2021 BMW 745e xDrive usually center on identifying the correct wheel setup, understanding the staggered 19-inch fitment, and comparing available radial tire styles, brands, and maintenance checks before road use.
Tire Size & Fitment
What tire size fits a 2021 BMW 745e xDrive?
The 2021 BMW 745e xDrive uses three primary radial tire sizes across its covered configurations: 245/50R18, 245/45R19, and 275/40R19. The 18-inch setup uses 245/50R18, while the 19-inch arrangement is staggered with 245/45R19 at the front and 275/40R19 at the rear.
The important step is confirming the actual wheel package on the car before choosing a tire. A 19-inch front tire and a 19-inch rear tire are not interchangeable just because they share the same rim diameter, and an 18-inch fitment requires a completely different wheel size.
What size rim does a 2021 BMW 745e xDrive use?
The 2021 BMW 745e xDrive uses either 18-inch or 19-inch rims, depending on the tire configuration. The 245/50R18 fitment uses an 18-inch rim, while the 245/45R19 front and 275/40R19 rear fitments use 19-inch rims.
That means wheel diameter has to be verified before any tire selection begins. It is also worth checking actual wheel width when comparing products, especially on the staggered 19-inch setup, because some available tires include rim-width guidance that should match the wheel already on the vehicle.
Why does the 2021 BMW 745e xDrive have more than one tire size?
More than one tire size appears because the 2021 BMW 745e xDrive is covered in both an 18-inch square fitment and a 19-inch staggered fitment. In the staggered arrangement, the front and rear use different sizes, with a narrower 245/45R19 front tire and a wider 275/40R19 rear tire.
This changes the buying process from simply choosing a tire by model year to confirming the exact wheel and axle position involved. Looking at the current tire sidewall, wheel diameter, and whether the front and rear sizes match will usually answer that question before any new tire is compared.
Choosing the Right Tire
What should I consider when choosing a tire for a 2021 BMW 745e xDrive?
Start with the correct size for the wheel setup on the car: 245/50R18 for the 18-inch configuration, or 245/45R19 front and 275/40R19 rear for the staggered 19-inch arrangement. From there, the real comparison points are brand, tire series, sidewall style, and any rim-width or load details attached to the specific product.
A buyer focused on a clean modern look may stay with blackwall 19-inch options, while someone using 245/50R18 has appearance choices such as redline or raised white letter. Matching the tire to the wheel and the car's actual front or rear position matters more than choosing by brand name alone.
What sidewall styles are available for 2021 BMW 745e xDrive tires?
Sidewall style depends on the size. The 19-inch fitments, 245/45R19 and 275/40R19, are available in blackwall form, while the 245/50R18 size includes both redline and raised white letter options in the Pro-Trac Street Pro III series.
That makes sidewall appearance part of the decision only after the correct size has been confirmed. A redline or raised white letter tire may create a very different visual effect than a plain blackwall, but the style has to be chosen within the size and wheel diameter that belong on the car.
What brands offer tires for the 2021 BMW 745e xDrive?
Available brands for the 2021 BMW 745e xDrive include BFGoodrich, Nitto, and Pro-Trac. BFGoodrich and Nitto cover the 19-inch sizes with several sport-oriented radial series, while Pro-Trac appears in the 245/50R18 size with Street Pro III options.
Brand choice should be compared alongside the specific size, tire series, and intended presentation rather than treated as the only decision. A BFGoodrich or Nitto option may suit the staggered 19-inch setup, while Pro-Trac becomes relevant when the car is equipped with 18-inch wheels and an appearance-focused sidewall choice.
Restoration & Appearance
Which tire should I choose for a period-style 2021 BMW 745e xDrive?
A period-style approach on a 2021 BMW 745e xDrive starts with keeping the correct modern radial size and wheel diameter already associated with the car. For the 18-inch fitment, 245/50R18 offers the most visually distinctive choices because it is available with redline and raised white letter sidewalls.
The 19-inch setup leans toward a more contemporary blackwall appearance through BFGoodrich and Nitto sport-oriented tires. For an owner trying to preserve the car's original character rather than create a custom look, matching the existing wheel package and avoiding an unintended front-to-rear size change is the safest visual starting point.
How does tire construction affect the appearance of a restored 2021 BMW 745e xDrive?
On the 2021 BMW 745e xDrive, construction does not create a bias-ply versus radial decision because the covered fitments are all radial. Appearance is shaped more by sidewall treatment, tire series, and whether the car is on the 18-inch or staggered 19-inch setup.
That means a restoration-minded or preservation-minded owner will usually see the biggest visual difference in blackwall, redline, or raised white letter presentation rather than in construction type. Keeping the correct front and rear sizing relationship on the 19-inch setup also helps the car retain the balanced look intended by its wheel package.
Fitment, Maintenance & Road Use
Can modifications affect tire fitment on a 2021 BMW 745e xDrive?
Yes. Wheel changes, suspension modifications, and altered ride height can all affect tire fitment on a 2021 BMW 745e xDrive, even when the tire size looks close to the original setup. That is especially important on the staggered 19-inch arrangement, where front and rear sizing already differs by design.
A car with aftermarket wheels should have its actual wheel diameter and width checked before a new tire is chosen. Clearance at the fender, inner wheelhouse, and steering range should also be confirmed, because a size that belongs on one factory-style setup may not suit a modified one.
What should I inspect before driving a 2021 BMW 745e xDrive on new tires?
Before road use, inspect tire pressure, bead seating, tread and sidewall condition, and make sure each tire is mounted in the correct position for the vehicle's setup. On a staggered 19-inch arrangement, confirm that 245/45R19 is at the front and 275/40R19 is at the rear rather than mixed side to side by size.
It also helps to look for rubbing marks, uneven suspension clearance, and any sign of air loss after installation. A short initial drive followed by a second pressure check can catch problems early, particularly if the car has different wheels than expected or has been sitting for long periods.
How often should tires on a 2021 BMW 745e xDrive be inspected?
Tires on a 2021 BMW 745e xDrive should be inspected regularly, not only when tread looks worn. Pressure, visible cracking, cuts, bulges, uneven wear, and slow air loss are all worth checking, especially on a vehicle that may see intermittent use rather than daily mileage.
A quick walk-around before longer drives is a practical habit, and a closer inspection during routine service is even better. Low-use luxury or collector-kept vehicles can age tires without accumulating many miles, so condition matters just as much as tread depth when deciding whether the car is ready for road use.
