Compatibility Compatible with BMW models E12, E21, E23, E24, E28, E30, E31, E32, E34, E36, E38, E39, E46, E52, E53, E60, E65, E66, E67, E85, PR1, and more. Function and adjustability Removes windshield wiper arms effortlessly. The tool features an adjustable claw opening from 0.59 to 1.42 inches (15 to 36 mm) and a pulling depth up to 1.53 inches (39 mm), enabling compatibility with a range of arm sizes and retention depths. Durability temperature forging for durability and reliability. Made from quality materials forged at temperature to ensure longlasting performance. Ease of disassembly Easy disassembly to save time and avoid damage. Quick and straightforward operation that completes the task in minutes. Use scenarios Scenario 1: Servicing classic and modern BMWs during routine maintenance or when replacing windshields, where fast and safe removal of wiper arms is required. Scenario 2: DIY at home or in a workshop for windshield wiper arm replacement or upgrade, reducing risk of arm damage. Scenario 3: Professional shops handling multiple BMW models, where a versatile tool speeds up arm removal across model variants.