Service Engine Soon Light (BMW)
First off, don’t panic. There is no need to pull off the road immediately.
The BMW "service engine soon" lights cover a wide array of issues, from a loose gas cap to serious engine and/or transmission problems. The light is designed to let you know that your car or SUV should be looked at by a certified BMW technician capable of diagnosing any specific issue(s).
The "check engine" (or "service engine soon") lights will only come on when the engine management system has recorded a fault. At International Sport Motors, we use the same computerized diagnostic equipment as the BMW dealerships, and the first step in diagnosing any BMW problem, especially if your vehicle seems to be running fine, is to clear the engine management system's fault codes and see if the codes return.
If the fault codes causing your warning light to display don't return, the issue may have been previously resolved and your vehicle's fault codes never properly cleared. The fault codes may also have been related to some errant short-term issue that has resolved itself.
However, if we clear the engine management system's fault codes and the problem persists, the next step is to look up the codes and diagnose your vehicle's specific issue(s). Once we know exactly what the problem is, we can provide you with a detailed description of any issues and an estimate on what it will cost to fix.