BMW 850i Tire Sizes and Rim Specifications by Model Year and Trim

The BMW 850i features varying tire sizes depending on the model year and trim level, reflecting changes in performance and styling requirements. Early 850i models often come equipped with 16 to 17-inch rims, while later variants may feature up to 18 inches in diameter.\n\nTire markings for the BMW 850i typically follow the format of width/aspect ratio R rim diameter, such as 225/50 R16 or 245/45 R17. Rim widths generally range between 7.5 to 8.5 inches to ensure optimal tire mount and performance.\n\nWhen comparing trims, higher performance versions may utilize wider rims and lower profile tires to enhance handling and grip. Always cross-reference the specific model year and trim level to ensure the correct tire size and rim specifications for safe and efficient driving.\n\nFor aftermarket options or replacement tires, consult the manufacturer's recommendations and verify size markings to maintain vehicle dynamics and safety standards.

Year
Make / model / trim Year Tire size Wheel
BMW 850i 850i2019245/45R188.5" × 18"

For bolt pattern (PCD), offset ET, center bore, and mounting details, open the bolt pattern page for BMW 850i.

FAQ

What tire size does a BMW 850i use?
Tire sizes vary by year and trim but typically range from 225/50 R16 to 245/45 R17.
How do rim widths differ across BMW 850i trims?
Rim widths generally range from 7.5 to 8.5 inches, with wider rims on higher performance trims.
Can I use tires from one trim on another BMW 850i trim?
Not always; verify both tire size and rim specifications for compatibility between trims.
Tire size calculatorShow

Compare two tire sizes — diameter, speedometer error, and clearance change.