If you still have trouble after reading the manual and following the tips that were posted,call homelink direct and they will walk you through it step by step. Good luck
cheers
vern

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2012 335iA Blk. Sapphire- Sport-Blk. Dakota Leather/Red-Brushed Alum.Trim-DAP-PP-CWP Rear View Camera-BMW Asst w/Enhanced BT&USB-High Gloss Blk.Trim Hghight-PSP-Speed Limit Info-Tech. Pkg-PDC-Rear Manual Sun Shades-SAT-Variable Sport Steering-Wheel Locks- Rubber Matts-Euro Del 5/14/12-Redelivery 7/16/12 2006 X3 3.0iA 4/6 Silver Gray Metallic-Black Leather-Nav-PP-SP-Xenon Headlights-PDC-Heated Front Seats-Privacy Glass-Servotronic Steering-Premium Sound System-R R R- Wheel Locks- Rubber Matts