1.34436874220 Park Brake Actuator Control Unit 2014-2018 for X5 F15, 2015-2019 for X6 F15/F85 Electronic Parking Brake Assembly - Durable construction: built from robust materials with careful workmanship to improve long term durability in regular use. - Primary function: prevents the parked vehicle from rolling away; also helps prevent backward movement when parked on a slope. - Technology and operation: electronic parking brake EPB system that electronically controls the brake; its principle is the same as a mechanical handbrake (friction between rotor and pads), but control is via an electronic button instead of a manual lever. - Compatibility and fit: standard factory fit for BMW X5 F15 (2014-2018) and X6 F15/F85 (2015-2019) equipped with the electronic parking brake. - Size and performance: a standard size/fit for the listed models with reliable, consistent braking control and engagement. - Use scenarios: - OEM replacement to restore parking brake function on X5 F15 or X6 F15/F85 after actuator wear or failure. - Service or maintenance work on EPB systems in vehicles routinely parked on inclines or slopes. - Replacement during brake system repairs to maintain accurate electronic brake control and secure parking.