What Causes Excessive Voltage in BMW Engines?
1 Answers
BMW engine excessive voltage is caused by faults in the generator voltage regulator, generator malfunctions, etc. Below is a detailed explanation of the causes and solutions to this issue: Voltage Regulator Fault: If the engine voltage regulator malfunctions, the generator regulator loses control or the voltage detection circuit becomes abnormal, it can cause the generator to produce excessive voltage. Solution: Replace the voltage regulator with a new one. Generator Fault: Internal issues in the generator, such as problems with the stator or rotor, can lead to poor generator performance, resulting in excessive voltage at the source. Solution: Inspect and replace the generator.