How Often To Change Car Battery Bmw. No matter how well you take care of your vehicle, the battery won’t last forever. Once a battery reaches three years of age, have it tested annually.
Most electric vehicles have a traction battery which is in addition to the standard 12. The load on the engine, albeit relatively small, does add up over the many hours you operate the car, day in and day out. In my 2005 545i, i had a battery go dead after only 2 years.
When the battery is too weak to turn over the engine, the car will need to be boosted to start, read more below.
To avoid this situation, the battery should be replaced before its capacity drops to a critical level. But for some reason, many people don’t know when it’s time to replace their car battery, even though it’s the lifeblood of their car. Your car battery’s lifespan depends on many factors, such as the charging system, driving frequency, weather and temperature conditions and many others. No matter how well you take care of your vehicle, the battery won’t last forever.