Having a dead battery in your BMW is no fun but with a starter power supply you can be back on the road in no time. Here’s a quick guide on how to start your BMW with a starter power supply also known as a jump starter or portable battery pack.
1. Get Your Gear
Before you start make sure you have:
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Starter power supply (charged)
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Vehicle cables with clamp connectors
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Safety gear (gloves and eye protection)
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Vehicle manual (for reference)
2. Prepare the BMW
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Put the BMW in park (automatic) or neutral (manual) and engage the parking brake.
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Turn off all accessories like lights and radio to minimize battery drain.
3. Connect the Starter Power Supply
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Open the hood of your BMW and find the battery. It’s usually near the engine compartment.
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Put on your safety gear to protect yourself from sparks or acid spills.
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Connect the red clamp to the positive terminal of the BMW battery (marked with a +).
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Connect the black clamp to the negative terminal (marked with a - or GND). Don’t attach it to any moving parts.
4. Start the BMW
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Once the clamps are attached turn on the starter power supply if it has a power switch.
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Try to start your BMW. If it turns over and starts, good! Let it run for a few minutes to charge the battery slightly.
5. Disconnect the Starter Power Supply
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Once the BMW is running, disconnect the black clamp from the negative terminal first.
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Then disconnect the red clamp.
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Close the hood and go.
Now you can start your BMW with a starter power supply. Don’t forget to keep your portable battery pack charged and in your glove box for next time.
