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The Gates Micro-V ribbed belt for 2015–2020 BMW M4 6‑cyl 3.0L is a standard V-ribbed serpentine belt that replaces the factory accessory drive. It installs on the specified M4 applications to restore proper serpentine routing for the alternator and other accessory components, matching the original fitment for those model years and engine configuration.
Gates 15-20 BMW M4 6-Cyl. 3.0L Serpentine Standard V-Ribbed Belt
