BMW Alpina B4 – 2022
2014-2025 4 engines 5 sizes
The BMW Alpina B4 was produced from 2014 to 2025. 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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Factory fitment sizes
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Questions about tyres for BMW Alpina B4
What are the factory tyre sizes for BMW Alpina B4?
Factory-fitment sizes for BMW Alpina B4: 285/30 R20. These are the dimensions specified by the manufacturer.
Which load and speed index does this car require?
For BMW Alpina B4 the minimum factory load index is 90 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.