Xenon Headlight SI/TRI Bulletins
- SI 6308 98: Xenon Headlamp Reduced Service Life - 1999 740iL. This bulletin address a small group of possibly defective xenon control modules. This bulletin uses the special test adapter and specific oscilloscope setup procedures to check the xenon control module output.
- SI 63 02 98 : E39 Headlight Alignment Procedure
- SI 63 02 93: Xenon Headlights - Color, Fuses, Warranty
- TRI 63 01 92: Gas Discharge Xenon Low Beam Headlights.