2016 BMW X3 — sDrive28i xLine
The 2016 BMW X3 sDrive28i xLine came from the factory equipped with 245/45R19 tires. If your vehicle has since been fitted with aftermarket or upsized wheels, your actual tire size may no longer match this factory spec — always confirm against your door placard before buying.
245/45R19
| Section width | 245 mm |
|---|---|
| Aspect ratio (sidewall height) | 45% (110.3 mm) |
| Rim diameter | 19" |
| Overall tire diameter | ~27.7" |
| Revolutions per mile | ~729 |
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What this size means for your BMW X3
On the 2016 BMW X3 sDrive28i xLine, the factory 245/45R19 measures about 27.7″ in overall diameter with a 110.3 mm (4.3″) sidewall, and completes roughly 729 revolutions per mile. Its 45-series aspect ratio gives a low-profile sidewall tuned for sharper handling, common on sport trims and larger-wheel packages. In tire terms it is a passenger (P-metric / Euro-metric) size.
Other 2016 BMW X3 trims
- sDrive28i Base Model 245/50R18 / 245/45R19
- sDrive28i M Sport 245/45R19 / 245/45R19 (Front) / 275/40R19 (Rear)
- xDrive28d Base Model 245/50R18 / 245/45R19
- xDrive28d M Sport 245/45R19 / 245/45R19 (Front) / 275/40R19 (Rear)
- xDrive28i Base Model 245/50R18 / 245/45R19
- xDrive28i M Sport 245/45R19 / 245/45R19 (Front) / 275/40R19 (Rear)
- xDrive28i xLine 245/45R19
- xDrive35i Base Model 245/50R18 / 245/45R19
- xDrive35i M Sport 245/45R19 / 245/45R19 (Front) / 275/40R19 (Rear)
- xDrive35i xLine 245/45R19
BMW X3 tire sizes by year
- 2026 BMW X3 245/50R19 / 255/45R20 (Front) / 285/40R20 (Rear) / 255/40R21 (Front) / 285/35R21 (Rear)
- 2025 BMW X3 245/50R19 / 255/45R20 (Front) / 285/40R20 (Rear) / 255/40R21 (Front) / 285/35R21 (Rear)
- 2024 BMW X3 255/45R20 (Front) / 265/45R20 (Rear) / 255/40R21 (Front) / 265/40R21 (Rear)
- 2023 BMW X3 255/45R20 (Front) / 265/45R20 (Rear) / 255/40R21 (Front) / 265/40R21 (Rear)
- 2022 BMW X3 255/45R20 (Front) / 265/45R20 (Rear) / 255/40R21 (Front) / 265/40R21 (Rear)
- 2021 BMW X3 255/45R20 (Front) / 265/45R20 (Rear) / 255/40R21 (Front) / 265/40R21 (Rear)
- 2020 BMW X3 255/45R20 (Front) / 265/45R20 (Rear) / 255/40R21 (Front) / 265/40R21 (Rear)
- 2019 BMW X3 245/50R19 / 245/45R20 (Front) / 275/40R20 (Rear) / 245/40R21 (Front) / 275/35R21 (Rear)
- 2018 BMW X3 245/50R19 / 245/45R20 (Front) / 275/40R20 (Rear) / 245/40R21 (Front) / 275/35R21 (Rear)
- 2017 BMW X3 245/50R18 / 245/45R19
How to read a tire size
A tire size like 225/45R17 breaks down into three parts:
the first number is the section width in millimeters
(the tire's width from sidewall to sidewall), the second is the
aspect ratio — the sidewall's height as a percentage of
that width — and the number after the "R" is the rim
diameter in inches. A letter prefix (P or LT) indicates
Passenger or Light Truck construction; its absence usually means
Euro-metric sizing.
Some trucks and off-road tires instead use "flotation" sizing, like
37X12.50R17 — here the numbers are the tire's overall
diameter and width in inches directly, with the rim diameter last.
Always verify against the tire information placard on your driver's-side door jamb or your owner's manual before purchasing — tire size can vary by factory option package even within the same trim.