The 2017 BMW 540i sits in the modern sport-sedan sweet spot, blending executive-car comfort with the sharper handling and highway composure buyers expect from a 5 Series. On this generation, tire choice matters because the car may wear 18-, 19-, or 20-inch radial fitments, including both square and staggered setups depending on configuration. That means the decision is not just about size, but also about matching the correct front and rear arrangement, wheel diameter, and intended driving style. Available choices center on blackwall radial performance tires from BFGoodrich and Nitto across several series. Before selecting a set, confirm the exact wheel setup on the car and whether it still retains its original configuration.
Which Tire Size Is Right for The 2017 BMW 540i
The 2017 BMW 540i uses five primary tire sizes, and the right one depends on the exact wheel setup and whether the car has a square or staggered arrangement. These are all radial metric sizes, but they span 18-, 19-, and 20-inch rims, so confirming the actual wheel diameter is the first step. On staggered applications, front and rear sizes are different, which makes position-specific fitment just as important as size selection.
245/40R19 is a metric radial size that uses a 245-millimeter section width, a 40-series profile, and a 19-inch rim. On the 2017 BMW 540i, this size works as one of the front or square-fitment options and keeps the car in a modern low-profile performance-tire format. Available choices come from BFGoodrich in g-Force Sport Comp 2, g-Force Comp 2 AS, and g-Force Phenom T/A, all in blackwall form. This size is a practical choice when the car is equipped with 19-inch wheels and the goal is to stay with the correct width and profile family.
245/45R18 is a metric radial with a 245-millimeter section width, a 45-series aspect ratio, and an 18-inch rim diameter. For the 2017 BMW 540i, it serves as the 18-inch square-fitment option and carries a slightly taller sidewall profile than the 19- and 20-inch alternatives. Product choices include BFGoodrich g-Force Sport Comp 2, g-Force Comp 2 AS, and g-Force Phenom T/A, along with the Nitto NT555 G2, all offered as blackwalls. This size makes sense when the car is riding on 18-inch wheels and the goal is to match that wheel diameter without moving into a lower-profile package.
245/35R20 is a metric radial that combines a 245-millimeter section width with a 35-series profile on a 20-inch rim. On the 2017 BMW 540i, this size is used at the front in the 20-inch staggered arrangement, where it works with a wider rear tire rather than a matching square setup. BFGoodrich offers this size in g-Force Sport Comp 2, g-Force Comp 2 AS, and g-Force Phenom T/A, while Nitto adds the NT555 G2, all with blackwall styling. This fitment should be chosen only after confirming the car has the correct 20-inch front wheels and matching rear-size pairing.
275/30R20 is a metric radial size with a 275-millimeter section width, a 30-series profile, and a 20-inch rim diameter. On the 2017 BMW 540i, it fills the rear position in the 20-inch staggered setup, giving the car a wider rear tire than the front. The available product in this size is the Nitto NT555 G2 in blackwall form, so the main selection issue is confirming the correct rear application rather than comparing many sidewall or series variations. This size should be evaluated as a position-specific rear fitment, not as a universal tire for every 540i.
275/35R19 is a metric radial with a 275-millimeter section width, a 35-series profile, and a 19-inch wheel diameter. For the 2017 BMW 540i, it serves as the rear tire size in the 19-inch staggered arrangement, pairing with a narrower front tire rather than matching all four corners. Choices include BFGoodrich g-Force Comp 2 AS, g-Force Sport Comp 2, and g-Force Phenom T/A, plus the Nitto NT555 G2, all in blackwall styling. This is the right direction only after confirming that the car has staggered 19-inch wheels and the correct front-and-rear layout.
Sub-model fitment on the 2017 BMW 540i varies by position and wheel package rather than by trim styling alone. Checking whether the car is set up as a Base square fitment, a Base Front application, or a Base Rear application matters because the tire size can change with both rim diameter and front-to-rear stagger.
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2017 BMW 540i Base
The 2017 BMW 540i Base uses a square radial fitment, with either an 18-inch or 19-inch tire size depending on the wheel package on the car. Tire selection starts with confirming the installed wheel diameter, then comparing the available blackwall performance-tire series that match that setup.
The 2017 BMW 540i Base Front uses the narrower front size in a staggered radial arrangement, with either a 19-inch or 20-inch front fitment. That means the front tires should be matched to the corresponding rear size and actual wheel diameter before choosing among the available series.
The 2017 BMW 540i Base Rear uses the wider rear tire in a staggered radial setup, again depending on whether the car carries 19-inch or 20-inch rear wheels. Rear tire selection should focus on the correct position-specific size first, then on brand and series choices that suit the car's existing front-and-rear combination.
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 2017 BMW 540i Tires for Sale
Available 2017 BMW 540i tires center on blackwall radial performance options from BFGoodrich and Nitto. Depending on size, buyers can compare g-Force Sport Comp 2, g-Force Comp 2 AS, g-Force Phenom T/A, and Nitto NT555 G2 choices across the 18-, 19-, and 20-inch fitments.
These FAQs focus on the exact tire sizes used on the 2017 BMW 540i, including square versus staggered fitment, wheel-diameter differences, product selection, and the checks worth making before putting the car back on the road.
Tire Size & Fitment
What tire size fits a 2017 BMW 540i?
The 2017 BMW 540i uses several radial tire sizes: 245/45R18, 245/40R19, 245/35R20, 275/35R19, and 275/30R20. Which one applies depends on the wheel package and whether the car has a square setup or a staggered front-and-rear arrangement. Square applications use the same size at all four corners, while staggered applications use a narrower front and wider rear tire.
The most important step is confirming the wheel diameter and whether the car has matching tires front to rear or different sizes by axle. A 540i that has been fitted with different wheels over time may no longer match the original setup, so the installed wheel size and front-to-rear combination should be checked before selecting tires.
What size rim does a 2017 BMW 540i use?
The 2017 BMW 540i appears with 18-inch, 19-inch, and 20-inch rim diameters, depending on the tire size and configuration. The 245/45R18 size uses an 18-inch rim, 245/40R19 and 275/35R19 use 19-inch rims, and 245/35R20 and 275/30R20 use 20-inch rims. All of these fitments are radial.
Wheel diameter needs to be confirmed before anything else because the tire sizes are not interchangeable across different rim diameters. It also helps to check wheel width, especially on staggered setups, since some available tires are intended for specific width ranges and should match the wheel actually mounted on the car.
Why does the 2017 BMW 540i have more than one tire size?
The 2017 BMW 540i has more than one tire size because it was fitted in both square and staggered configurations and across different wheel diameters. A square setup uses the same size on all four corners, while a staggered setup uses narrower front tires and wider rear tires. That creates multiple correct fitment paths within the same model year.
This matters because a tire choice that works for one 540i may be wrong for another if the wheel package is different. Looking at the tire sidewall, measuring the installed wheel diameter, and confirming whether the rear tires are wider than the fronts will quickly narrow the car down to the correct size group.
Choosing the Right Tire
What should I consider when choosing a tire for a 2017 BMW 540i?
Start with the exact tire size and wheel diameter on the car, because the 2017 BMW 540i may use 18-, 19-, or 20-inch radial fitments and may also be staggered. After size, the useful comparisons are tire series, brand, rim-width compatibility, load figures where stated, and whether the car is using the same size on all four corners or different front and rear tires.
A square 540i gives more flexibility because all four tires match, while a staggered setup requires the correct position-specific front and rear pair. It also helps to think about how the car is driven, since available choices such as BFGoodrich g-Force variants and the Nitto NT555 G2 differ in series character even when they share the same basic size.
What sidewall styles are available for 2017 BMW 540i tires?
The available tire choices for the 2017 BMW 540i use blackwall sidewalls across the covered sizes. That includes the 18-, 19-, and 20-inch fitments offered from BFGoodrich and Nitto in the product range here. There are no whitewall, redline, or raised-white-letter variations in these specific 540i fitments.
For this BMW, sidewall selection is straightforward, so the more meaningful comparison points become brand, tire series, and correct front-to-rear size matching. Buyers trying to keep the car visually close to a modern OE-style presentation will usually find blackwall tires consistent with the car's overall character and wheel design.
What brands offer tires for the 2017 BMW 540i?
BFGoodrich and Nitto both offer tires for the 2017 BMW 540i in the covered sizes. BFGoodrich appears in several fitments through the g-Force Sport Comp 2, g-Force Comp 2 AS, and g-Force Phenom T/A lines, while Nitto appears in selected sizes with the NT555 G2. Brand availability changes by size, especially once the car moves into staggered rear fitments.
That means brand choice is tied closely to the exact wheel package on the car. A buyer with 245/45R18 or 275/35R19 has more series to compare than someone shopping the 275/30R20 rear size, so it pays to confirm the exact mounted size before narrowing the decision to one brand or tread family.
Restoration & Appearance
Which tire should I choose for a period-style 2017 BMW 540i?
A period-style 2017 BMW 540i tire choice usually means staying with the correct modern metric radial size and the wheel diameter the car was set up to use. Because this is a late-model executive sport sedan rather than a classic restoration vehicle, the right visual approach is generally a clean blackwall tire in the proper profile rather than a specialty vintage sidewall treatment.
The most convincing appearance comes from matching the car's original wheel package logic, whether that is an 18-inch square setup or a 19- or 20-inch staggered arrangement. A lower-profile 20-inch fitment and a taller 18-inch fitment create different visual proportions, so confirming the existing wheels is just as important as choosing the tire brand.
Does correct tire fitment matter for a 2017 BMW 540i restoration or factory-style presentation?
Correct tire fitment matters because the 2017 BMW 540i uses specific low-profile radial sizes tied to particular wheel diameters and, in some cases, staggered front and rear widths. Even on a newer collector-interest BMW, the wrong aspect ratio or mismatched axle setup can change the car's stance and upset the balanced look that belongs with the wheel package.
A factory-style presentation starts with the correct size family, not just a tire that happens to fit the wheel. Checking the sidewall size on the current tires, confirming whether the car is square or staggered, and keeping all four tires within the proper fitment pattern will do more for appearance than chasing cosmetic differences alone.
Fitment, Maintenance & Road Use
Can modifications affect tire fitment on a 2017 BMW 540i?
Yes, modifications can affect tire fitment on a 2017 BMW 540i, especially because this model already uses low-profile radial sizes and may be staggered front to rear. Aftermarket wheels, suspension changes, spacers, or ride-height changes can alter the clearance relationship between the tire, fender, and suspension components even when the tire size looks close to stock.
A careful check should include wheel diameter, wheel width, front-to-rear size pairing, and visible clearance at full steering lock and normal ride height. Even a correct factory-size tire can become a problem if the car has different offset wheels or a lowered stance, so the actual setup on the vehicle matters more than the badge on the trunk.
What should I inspect before driving a 2017 BMW 540i on new tires?
Before driving a 2017 BMW 540i on new tires, inspect the wheel size, confirm the front and rear tires are mounted in the correct positions, and check inflation pressure, sidewall condition, and tread seating. On staggered cars, make sure the narrower front and wider rear sizes have not been mixed. It also helps to verify that the tire size on the sidewall matches the intended wheel package.
A short road check should focus on vibration, pulling, steering feel, and any sign of rubbing over bumps or during parking-lot turns. Cars that have sat for a while also deserve a closer look at suspension wear and alignment condition, since new tires can reveal existing chassis issues that older worn tires were masking.
How often should tires on a 2017 BMW 540i be inspected?
Tires on a 2017 BMW 540i should be inspected regularly, with quick visual checks before driving and more thorough inspections at routine service intervals. Because the car uses low-profile radial sizes, it is worth watching for edge wear, cuts, sidewall damage, and pressure loss more closely than on a taller sidewall touring fitment. Staggered setups deserve added attention because front and rear tires wear differently.
A more complete inspection should include tread depth, uneven wear patterns, and any signs that wheel alignment or suspension condition may be affecting the tires. Cars driven infrequently should still be checked often, since age, storage conditions, and underinflation can create problems even when the tread still looks usable.
