2020 BMW X5 M Bulb Size

Goal: Help you find the correct bulb sizes for a 2020 BMW X5 so you avoid ordering the wrong part. Many owners face uncertainty because headlight, brake, and interior sockets differ, and the trade-off between LED upgrades and OE replacements requires informed choices. Prerequisites and step by step: Start by confirming your vehicle trim and current bulb types, then match sockets listed here to your needs. Our list assumes standard factory fittings; if you modified lighting, expect constraints and adjust accordingly. Validation is simple: fit a known bulb or compare part numbers before final installation. Troubleshooting and wrap up: If a bulb doesn’t seat or flashes, recheck socket type and wiring. Recommended: test before buying multiples. Affiliate disclaimer: some links on this page are affiliate links; I may earn a small commission at no extra cost to you.