2021 BMW Alpina B8 Custom Tires & Wheels Fitment Guide
Browse compatible tires for the 2021 BMW Alpina B8 matched to 21" wheel diameters and 8.5-10" widths.
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2021 BMW Alpina B8 Wheel Fitment Specs: 21" Rim Sizes, 8.5"–10" Widths & 5x112 PCD
Every aftermarket wheel shown above is pre-filtered for the 2021 BMW Alpina B8 (G16 LCI). By matching your 2021 BMW Alpina B8 lug pattern (5x112), compatible rim diameters (21 inch), and 8.5", 10" widths against inventory from KMC, Weld, American Racing Vintage, Lexani, Savini, TSW, you can choose custom rims with confidence or build a complete 2021 BMW Alpina B8 wheel and tire package.
| Specification | Verified Fitment Details |
|---|---|
| Vehicle & Year | 2021 BMW Alpina B8 (G16 LCI) |
| Trims Covered | B8 |
| Bolt Pattern (PCD) | 5x112 |
| Supported Diameters | 21" |
| Supported Widths | 8.5", 10" (staggered fitment supported) |
| Center Bore | 66.6 mm |
| Offset (ET) Range | ET28–ET44 |
| Verified Tire Sizes | 245/35ZR21 96Y XL, 285/30ZR21 100Y XL |
| Compatible Brands | KMC, Weld, American Racing Vintage, Lexani, Savini, TSW |
2021 BMW Alpina B8 Rim Sizes & Wheel Construction Guide
Popular wheel fitments include 21 inch wheels for 2021 BMW Alpina B8 matched to 8.5"–10" widths and 5x112 bolt patterns. Many performance setups pair wider rear wheels with high-clearance spoke profiles—forged, flow-formed, and cast alloy rims from KMC, Weld, American Racing Vintage, Lexani, Savini, TSW are compatible as long as front/rear offsets, brake caliper clearance, and load ratings match.
2021 BMW Alpina B8 Wheel & Fitment FAQs
What is the exact wheel bolt pattern, hub bore, and lug specification for the 2021 BMW Alpina B8?
The 2021 BMW Alpina B8 is engineered with a 5x112 bolt pattern and a 66.6 mm center bore and accommodates wheel diameters of 21" with rim widths of 8.5"–10". Installing hub-centric wheels guarantees zero highway vibrations.
Do different 2021 BMW Alpina B8 trims share the same wheel size and brake clearance?
Across 2021 BMW Alpina B8 trims (B8), compatible wheels span 21" in diameter and 8.5"–10" wide with offsets around ET28–ET44 (5x112 bolt pattern). Higher trims equipped with upgraded sport brakes require larger wheel diameters to clear the calipers.
Should I choose a square or staggered wheel setup for the 2021 BMW Alpina B8?
The 2021 BMW Alpina B8 supports both square fitments (identical widths front and rear for rotational longevity) and staggered fitments (8.5"–10" front and rear widths) for enhanced rear grip and stance on 21" wheels.
What factory and plus-sized tire sizes fit the 2021 BMW Alpina B8?
Recorded compatible tire sizes for the 2021 BMW Alpina B8 include 245/35ZR21 96Y XL, 285/30ZR21 100Y XL on 21" wheels. When building a package, our fitment engine confirms exact tire aspect ratios for your selected rim width.