LED Headlight DRL Module for BMW 3 F34 GT LCI 320i 330i 340i
Restore precise daytime driving visibility with this aftermarket LED Headlight DRL Module engineered specifically for the BMW 3 Series F34 GT LCI production years 2015 through 2018. Replaces failing original control units when running lights flicker, appear dim, or refuse to illuminate. Designed with an H1 semi socket interface, this precision-calibrated ballast delivers stable voltage regulation and factory-matching brightness across 320i, 330i, 340i, and respective diesel variants without cutting or splicing harness wires.
Benefits & Practical Tips
- Verify exact OEM codes on your current unit before ordering, as regional specification changes affect left and right side matching.
- Connect the new module to a vehicle power source before fully resealing the headlight housing to confirm instant activation.
- Allow a qualified technician to handle the physical swap to maintain waterproof gaskets and avoid damaging delicate projector lens assemblies.
Product Specifications
- Application: BMW 3 Series F34 GT LCI (2015–2018)
- Type: LED DRL Control Unit / Ballast
- Socket Interface: H1 semi
- Compatible OEM Numbers: 63117470425, 63117470426, 63117470427, 63117470428
- Status: 100% new, factory tested aftermarket replacement
- Certification: CE compliant
Package Includes
- One LED Headlight DRL Module Control Unit
Important Reminders
Disconnect the car battery prior to installation to prevent electrical shorts. A one to two millimeter dimensional variance may occur due to standard manufacturing tolerances. Monitor color calibration differences between screens and printed materials mean the physical finish could vary slightly from images shown.
All electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty. Trusted automotive sourcing at intercyprus.com since 2002 — dedicated to delivering exactly what your vehicle needs.