Check the ride height sensors under the car, they trigger the light if they're damaged or sitting wrong. Maybe they got knocked when you changed the suspension....

Sent from my SM-G900F using Tapatalk

__________________
BMW X5 E53, 4.8iS - 2005
Professional Stereo/Nav with DSP (modified BM54 module) - Converted to Eonon GA5166X with Reverse cam
4-Corner Air Suspension - Converted to BC Coilovers