Features: Advanced digital signals processing ensures precise temperature control, featuring ABS construction and OEM compatible design with direct plug play installation. The multifunctional interfaces integrates fan speed (1-5 levels) and temperature settings (16°C-28°C) with a rapid 0.5s response time, complemented by fingerprint resistant coating for lasting clear. Designed for car owners seeking reliabled OEM styles replacements or cabin comfortable upgrades through DIYer installations. Optimizes driving environments during extreme weather by maintaining consistent airflows and temperature via ergonomic buttons visible in daylights or nighttime conditions. Rigorously tested for heat resistance ( 30°C to 80°C) and mechanical durability, this control panel restores factory grade climate management while resisting wear from daily use. Specifications: Type: Air Conditioning heater control panel Part number: 64118375645 64116915812 64116924315 Component: Plastic Color: Black Applicable models: Suitable for E53 E39 525i 528i 530i 540i Package Includes: 1pcs Heater Control Module note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.