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What does battery discharge start engine mean on BMW?
Should you be concerned? How do you fix it? Many BMW owners call us about getting a “battery discharged” message on their dash. This is to alert you that your battery is getting low and the vehicle needs time to charge it before you shut the engine down again.
What does BMW battery discharging while stopped mean?

How do you fix a battery discharge warning?
How to resolve a battery discharge warning? Start your engine to enable your alternator to charge your battery and remove the battery discharge alert. If you leave your ignition on and the engine off, your battery could drain to the point where your vehicle won’t start and might require a jump start.
How do I manually start my BMW i3?

Why is my BMW i3 not starting?
The most common reasons a BMW i3 won’t start are a dead battery, an alternator problem, or failed starter.
What does it mean when it says battery discharge?
Discharging, or draining, describes the process of your battery loosing voltage, or energy. It is important to understand that a battery is always discharging anytime it is not being directly charged. Discharging your battery can be both an active or an inactive process.
Why does my battery say discharging?
The battery discharge warning means that your car’s battery is getting discharged more than it is getting charged, indicating that your car might run into electrical problems soon. This warning will be displayed on either screen of your car, the infotainment, or the information cluster.
What does battery discharge warning mean in a car?
As with many vehicles, this warning is a failsafe to guard against an unexpected dead car battery. For example, this might happen if you’re playing the car radio (accessory or key-on) while the engine isn’t running. The warning will indicate that continuing to drain power will cause your battery to die.
Why is my car battery discharging when stationary?
When the battery charge level increases the power requirements to charge the battery will decrease. So, if the alternator produces 28 Amp only and the car needs 50 Amp, the battery discharging while stationary would pop up.
Does the BMW i3 have a 12V battery?
Step-by-Step Guide for BMW i3 12V Battery Replacement: Buy new 12V Battery and trickle charge until fully charged. Open Front Trunk. Remove Covers over Driver’s Side and Passenger Side in front trunk. Disconnect Main Battery with High Voltage Safety Connector (Service Disconnect)
How do you charge a BMW battery?

How much is a new BMW battery?
How Much Does a BMW Battery Cost? The cost of parts and installation will vary between models, but your BMW battery replacement cost will likely come in between $300 and $500 when you factor in parts and labor.
Can you replace a BMW battery?
All BMW OEM parts have a two-year limited warranty with unlimited mileage, but if your battery is older, you’ll need a replacement. What is the cost to replace a battery? BMW battery replacements typically cost between $300 and $500 with parts and labor.
How can I recharge my car battery?
- Prepare The Battery.
- Turn Off All Car Electronics.
- Remove The Negative/Ground Cable, Then Positive.
- Clean The Battery Terminals.
- Connect The Battery Charger.
- Remove The Charger Once Charging Is Complete.
- Summary.
- Related Resources.
Can you jumpstart a BMW i3?
Manual specifically says don’t. Its an itty bitty 12v battery anyway. It doesn’t have the current capability to do it.
How do you turn on a BMW i3 engine?

Does BMW i3 Range Extender charge the battery?
I recommend opting for the Range Extender over the all electric version. Powered with a 125-kilowatt electric motor with a 22-kilowatt-hour lithium-ion battery pack, it features a small two-cylinder gasoline engine that also acts as a generator to recharge the battery pack.
How do you put a BMW i3 in neutral with a dead battery?

What is the voltage of an i3?
BMW i3 Module – 4.1kWh / 94Ah / 44V.
How do you remove a 12v battery from a BMW i3?

How long do car batteries last?
Some cars will get up to five or six years out of their battery, while others will need a new one after only two years. In general, your car will usually need a new battery after three to four years. Replacing your car battery is another part of routine maintenance.
How do I charge my BMW key?

Can a starter drain a battery overnight?
The short answer is: Yes, it can. It could also drain the battery even faster if you repeatedly try to start your car with a faulty starter.
Can a car battery go dead from sitting?
The battery in your car can die within as little as two weeks when unused.