Herb Chambers BMW Certified Preowned Medford
BMW i4 Tire Pressure Light
BMW i4 Tire Pressure Light service at Herb Chambers BMW Certified Preowned Medford in Medford, MA

The tire pressure light on the BMW i4 means one or more monitored tires is at least 25 percent below the placard pressure when the light stays on, while a flashing light that remains illuminated indicates a tire-pressure monitoring system fault. The warning appears as a horseshoe-shaped tire outline with an exclamation point inside. A steady light calls for the tire pressure to be set at the next stop, since an underinflated tire wears faster and runs hotter. The warning may appear after a cold night because tire pressure drops about one psi for every ten degrees. A flashing light at start-up followed by a steady light points to the monitoring system itself, usually a sensor with a run-down battery.
Herb Chambers BMW Certified Preowned Medford in Medford, MA, checks the BMW i4 tire-pressure system and helps identify whether a tire needs air, a repair, or sensor attention.
What the tire pressure light means on a BMW i4
The tire pressure warning is a horseshoe-shaped tire outline with an exclamation point inside. When it stays lit steadily, one or more tires is at least 25 percent below the pressure shown on the placard inside the driver’s door jamb. This can happen after a cold night because pressure drops about one psi for every ten degrees. The tire pressure should be set at the next stop because an underinflated tire wears faster and runs hotter.
If the light flashes for about a minute at start-up and then remains on, the tire-pressure monitoring system has a fault. The service block identifies a sensor with a run-down battery as the usual reason for this pattern. A tire can look fully inflated while the system still needs to distinguish between a pressure issue and a sensor issue.
What the diagnosis covers at Herb Chambers BMW Certified Preowned Medford
The inspection checks the pressure of every monitored tire against the placard on the driver’s door jamb. Each tire-pressure sensor is also scanned for its signal and battery status, helping separate a tire that needs air or a repair from a sensor that needs replacing.
The inspection includes checking for punctures and leaking valve stems. After any sensor or tire work, the tire-pressure monitoring system is relearned so its signals can be checked again. Drivers who notice the light after a temperature drop, despite tires appearing full, or after the light flashes at start-up can schedule service at Herb Chambers BMW Certified Preowned Medford.
Booking at Herb Chambers BMW Certified Preowned Medford
A visit includes a pressure check for every monitored tire, a signal and battery scan for each sensor, and an inspection for punctures or leaking valve stems. The system can be relearned after tire or sensor work. Drivers can schedule service online or contact Herb Chambers BMW Certified Preowned Medford at 617-765-4970. The dealership is located at 60 Mystic Ave, Medford, MA 02155.