Dorman 601-318 Adaptive Light Module

Adaptive Headlight Control Module for BMW

This Dorman adaptive light module restores directional control to an adaptive headlight system when the original module fails. It is built to match the fit and function of the OE unit for BMW applications, helping return proper headlamp movement and response.

• OE-style replacement adaptive lamp module for BMW adaptive lighting systems
• Matches original fit and function for direct replacement use
• Black plastic housing with 20 terminals, female connector, and male blade terminals
• Compact module dimensions: 3.6 in. length and 2.7 in. width
• Connector color: black; wire harness not included
• Cross-reference part number: 63117182396

Detailed Product Overview

Dorman Part Number 601-318 is an adaptive headlight control module used to restore proper directional control in BMW adaptive headlight systems. It is a direct replacement for the original equipment module and is listed for a wide range of BMW models, including the BMW Z4, BMW X6, and BMW X5, as well as 3 Series and M3 applications. If your BMW adaptive headlights stop aiming correctly or lose movement, this module addresses the control side of the system rather than the lamp assembly itself. The Dorman 601-318 is also referenced by OE part number 63117182396.

Common Problems This Module Can Address

• Adaptive headlights no longer swivel or track with steering input
• Headlamp directional control is intermittent or inoperative
• Faults related to the adaptive lighting control module
• Loss of proper headlight aiming behavior during driving
• Replacement need after electrical module failure in the headlamp control circuit

Installation Notes and Tips

Verify connector style, terminal count, and module dimensions before installation. This module uses a female connector with male blade terminals and does not include a wire harness. Confirm vehicle-specific fitment for your BMW Z4, X6, X5, 328i, 335i, 335is, M3, 323i, 335d, 328i xDrive, 335i xDrive, 328xi, or 335xi application before replacement. For best results, inspect the headlight assembly, wiring, and related fault codes so the root cause is addressed during repair.

Quality Assurance

Dorman manufactures this replacement module to match OE fit and function for specified BMW adaptive headlight applications. It is engineered as a direct replacement solution for restoring adaptive lighting control in the listed vehicles.