BMW Z4 – 2025
2002-2020 6 engines 7 sizes
The BMW Z4 was produced from 2002 to 2020. Below you'll find all factory tyre dimensions with recommended pressure, compatible alternative sizes, and tyres in stock with load and speed index that meet the manufacturer specification.
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Compatible Sizes
Factory fitment sizes
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Questions about tyres for BMW Z4
What are the factory tyre sizes for BMW Z4?
Factory-fitment sizes for BMW Z4: 225/45 R18, 225/50 R17, 255/35 R19, 255/40 R18, 255/45 R17, 275/35 R19, 275/40 R18. These are the dimensions specified by the manufacturer.
Which load and speed index does this car require?
For BMW Z4 the minimum factory load index is 95 and speed index is Y. Replacement tyres must meet or exceed these ratings.
Can I install winter tyres of different sizes?
Alternative sizes are allowed if the overall rolling diameter stays within ±3% of the OEM specification and load/speed index meet requirements. Winter tyres are mandatory in Croatia from 15 November to 15 April.