2016-2019 BMW 7 Series Climate Control Module 6819021

Also known as

HVAC Control Module

Climate Control Panel

Heater Control Unit

AC Control Module

IHKA Module

A/C Switch Panel

What this part does

The climate control module, commonly referred to as the IHKA (Integrated Automatic Heating and Air Conditioning) panel in BMW systems, serves as the central command unit for managing cabin temperature, ventilation, and air distribution. Positioned in the center dashboard console, it processes driver and passenger inputs, utilizing the vehicle's LIN and CAN bus networks to operate blend door actuators, regulate blower motor speeds, and engage the air conditioning compressor. When this module fails, symptoms typically include unresponsive tactile or touch buttons, a blank or flickering digital display, the inability to adjust fan speeds, or the climate system defaulting to a single extreme temperature setting.

Fits these vehicles

OEM and interchange numbers

6819021

64116819021

Before you order

Modern BMW climate modules are highly dependent on the exact factory options of the vehicle. You must visually match the button configuration of this unit (such as the presence of seat heating, seat ventilation, or fragrance system controls) to your original panel. Installing a module with an incorrect button layout will result in missing functionality. Additionally, replacing the IHKA module typically requires programming and coding using specialized diagnostic software (such as ISTA) to integrate the unit with the vehicle's central computer network and initialize the flap actuator motors.