If a tire loses pressure, a warning lamp is illuminated in the instrument cluster and a warning chime sounds.
23+ Bmw X1 Tire Pressure Warning Pics. This video identifies the low tire pressure warning signals and how to check and reset the tire pressure with the idrive system. Quick info about bmw x1.
Tpms Sensor Tire Pressure Monitoring Sensors For Bmw F20 F21 F30 F31 I3 I8 F80 F15 F85 F16 F86 F54 F57 433 Mhz Active Tourer Tire Pressure Alarm Aliexpress from ae01.alicdn.com
If pressure is low on one tire, the tire will bulge and sit a bit deeper on the road. The effective radius / circumference is smaller, and so the you could mount completely different tires and won't get a pressure warning. So neither warning relates to the tpms warning then.
The small warning lamp flashes in yellow and then lights up continuously;
Inflated all tires back to 39 psi and the warning lights did not go off. Its main function is to generate the tire pressure information while every time you start the car and the pressure light turns on and stays lighted, this means the tpms is not functioning properly. This would mean that there is a failure in the system that would not allow the tire pressure warning to be reset. Bmw red tire pressure warning light reset e90 e91 e92 e93.
