VALEO HID Lighting Ballast 88794 - AUDI A4 BMW 1 VW Phaeton Touareg Passat

This high intensity discharge (HID) lighting ballast is a direct-fit aftermarket replacement for OEM part number 63126938561, restoring correct voltage regulation and ignition control for factory xenon headlamps on the listed Audi, BMW, and Volkswagen models. Also referred to as a xenon ballast, HID control unit, headlight ballast, or xenon control module depending on workshop terminology.

Key Features:
- Direct fit for OE part number 63126938561
- Powers and regulates OEM HID/xenon headlamps
- Helps resolve flickering, intermittent, or non-starting xenon bulbs caused by a failed ballast
- OE-style plug-and-play housing and connectors for straightforward swap
- Built to match original output and operating parameters

Compatible With:
- AUDI A4: Saloon, Avant (B6) – 1.6, 1.8 T, 1.8 T quattro, 1.9 TDI, 1.9 TDI quattro, 2.0, 2.0 FSI, 2.4, 2.5 TDI, 2.5 TDI quattro, 3.0, 3.0 quattro, S4 4.2 quattro (11.2000-12.2004)
- BMW 1 Series: Hatchback (E87) – 116i, 118d, 118i 2.0, 120d, 120i, 130i (02.2003-01.2013)
- Volkswagen Phaeton: Saloon (3D) – 3.0 V6 TDI 4motion, 3.2 V6, 3.2 V6 4motion, 4.2 V8 4motion, 5.0 V10 TDI 4motion, 6.0 W12 4motion (04.2002-03.2016)
- Volkswagen Touareg: SUV (Touareg I) – 2.5 R5 TDI, 3.0 V6 TDI, 3.2 V6, 3.6 V6 FSI, 4.2 V8, 5.0 V10 TDI, 6.0 W12 (10.2002-05.2010)
- Volkswagen Passat: Saloon, Estate (B6) – 1.4 TSI, 1.6, 1.6 FSI, 1.8 TSI, 1.9 TDI, 2.0 FSI, 2.0 FSI 4motion, 2.0 TDI, 2.0 TDI 16V, 2.0 TDI 16V 4motion, 2.0 TDI 4motion, 2.0 TFSI, 3.2 FSI 4motion, 3.6 FSI, 3.6 FSI 4motion, 3.6 R36 4motion (03.2005-11.2011)

Year Range:
- 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016

This is an aftermarket replacement part, not a genuine Audi/BMW/Volkswagen component.