Scan me Up! Priced below Amazon. By Staff Writer. April 24, Repair Summary. The following article gives detailed instructions on replacing the battery in a BMW E9x 3 series vehicle.
Even though we have used a i sedan to perform this repair, this article can be applied to any 3 series vehicle with minor modifications. A BMW E90 battery replacement is an easy repair for the home mechanic and can avoid an expensive trip to the dealership.
The answer is an emphatic yes. You can absolutely replace your own battery. In fact, we highly encourage it if you want to save a whole lot of money. The lifespan of your BMW E90 battery is approximately 5 to 6 years. This is due to the constant drain of onboard electronics that slowly decreases the battery's efficiency. This lifespan can be greatly shortened if the battery has been completely discharged or has been improperly charged or jump-started.
Signs of a failing battery in your BMW E90 are; vehicle struggles to start, onboard electronics malfunctioning or acting peculiar, and warning lights and messages on the dashboard and iDrive screen. Where is the battery in a BMW and how do I remove it? The battery in your 3 series is located in the trunk on the right side of the vehicle.
It is easily accessed by removing the right trim panel. There is a roll-over bracket and support bracket that will need to also be removed What do I do if my battery is dead and I can't open the trunk?
You cannot manually open a locked truck on your BMW E90 3 series if the battery is completely discharged. If your battery is dead, the quickest and easiest way to open the trunk is to connect to the battery in another vehicle via jumper cables.
Simply attach the red jumper cable to the positive terminal under the hood and the black jumper cable to one of the strut brace bolts as shown below. You will now have enough power to release the trunk. DO NOT start the car you are receiving power from Even though we used a ci to perform this repair, this article can be applied to any 3 series vehicle with minor modifications to the repair steps. A BMW E46 battery replacement is very simple and will save you an unnecessary trip to the repair shop.
One of the easiest repairs you can perform on your BMW E46 3 series car is a battery replacement. In fact the toughest part of the repair is lifting the battery in and out of the vehicle. But interestingly enough, many BMW E46 owners still take their vehicles to the repair shop for a new battery. The batteries in our cars eventually wear out The average life span of an automotive battery is about six years, although that number can obviously fluctuate.
Extended periods of extreme heat or cold will drastically shorten the life span of your bimmer's battery, as will constant recharging, jumping, and electrical loads whilst the car isn't running cell phones left plugged in, leaving an interior light on, etc. The best place to buy a replacement battery when doing a BMW E46 battery replacement is your local neighborhood auto parts store including "big box" stores like Walmart and Sam's Club.
Don't get sucked into the fallacy that you need to purchase your E46 replacement battery from the BMW dealership. That's complete hogwash.
CCAs ensure your car starts when needed. RCs help run power accessories from heated seats to power windows to DVD players. And our top-of-the-line AGM batteries have two times the cycle life of conventional batteries and twenty times the vibration resistance. Introducing the all-new GENIUS1, making it one of our most powerful, highest-performing, energy-efficient, and compact chargers yet. This article outlines the location of the battery in the BMW 3 Series. Inclusive are the , 3 18 , , , , , , M3 The diagram is for Petrol and Diesel engine models.
To choose the correct battery for BMW 3 Series models click the link. This website uses cookies to ensure you get the best experience on our website.
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