BMW i3 Battery Connector Part Numbers: Wholesale Solutions for Cost-Effective Upgrades
The Hidden Cost of OEM Battery Replacements
Have you ever stared at your BMW i3’s battery warning light, knowing a replacement could cost you $12,000+ from the dealership? You’re not alone. Many BMW i3 owners face this painful reality when their original battery degrades after 5-8 years of service. But what if you could get a high-performance replacement battery for less than half the price, with the same quality and compatibility as the factory unit?
Why Connector Compatibility Matters More Than You Think
When upgrading your BMW i3 battery, the connector part numbers are often overlooked—but they’re absolutely critical. A mismatched connector can lead to installation nightmares, BMS errors, and even safety issues. At CNS Battery, we’ve engineered our BMW i3 battery modules with exact OEM connector compatibility, ensuring seamless integration with your vehicle’s system.
Our 45kWh, 50kWh, and 62kWh battery packs feature precisely matched connectors that plug directly into your BMW i3’s existing harness, eliminating the need for complex wiring modifications. This isn’t just about convenience—it’s about safety, reliability, and peace of mind.
The CNS Battery Advantage: Quality Meets Affordability
Premium CATL Battery Cells, Not Refurbished Parts
Unlike many competitors who use recycled or refurbished battery cells, CNS Battery exclusively uses brand new CATL ternary lithium cells—the same quality used by top EV manufacturers. This means:
- Longer lifespan (up to 300,000 km of reliable service)
- Consistent performance (maintaining 11/12 battery bars after one year of use)
- No swelling or safety risks (unlike lower-quality alternatives)
OEM Compatibility Without the OEM Price Tag
| Feature | CNS Battery | OEM Battery |
|---|---|---|
| Battery Cell Quality | Brand new CATL cells | Original manufacturer cells |
| Warranty | 2 years/80,000 km | 1-2 years (varies) |
| Price | ~$7,800-$8,200 | $16,000+ |
| Installation | Plug-and-play (complete pack) | |
| Technical Support | Lifetime remote assistance |
Why Repair Shops and EV Enthusiasts Trust CNS for BMW i3 Battery Solutions
“Before CNS, we were spending $1,200 per battery for installation labor alone. Now, with their OEM-compatible battery packs, our technicians can install the battery in under 2 hours—saving our customers thousands and giving us a 50% profit margin,” shares Mike from Mike’s Auto Service in Vancouver.
Our 45kWh, 50kWh, and 62kWh BMW i3 battery modules are engineered for easy installation:
- Complete battery packs: Simply plug and play
- Individual battery modules: Connect 6 power lines and 1 signal line (we provide full installation guides)
The Real Cost of Battery Replacement: Beyond the Price Tag
When you consider the total cost of ownership, the savings from a CNS battery become undeniable:
- $8,200 for a CNS 62kWh battery vs. $16,000+ from BMW
- No need for additional wiring or BMS programming (most competitors require these)
- 2-year/80,000 km warranty (longer than most OEM coverage)
- Lifetime technical support (we’re available for any questions, big or small)
Your BMW i3 Battery Upgrade Journey Starts Here
Don’t let a degraded battery limit your driving experience. Whether you’re a DIY enthusiast looking to replace your BMW i3 battery yourself or a repair shop seeking reliable wholesale solutions, CNS Battery delivers the quality and compatibility you deserve.
Our 45kWh, 50kWh, and 62kWh BMW i3 battery packs are designed to restore your vehicle’s range to nearly factory specifications—often exceeding the original range by 50-100km.
Frequently Asked Questions
What connector part numbers do CNS BMW i3 batteries use?
CNS Battery uses exact OEM connector part numbers that match your BMW i3’s factory specifications. We ensure compatibility with all i3 models from 2013-2023, including the 45kWh, 50kWh, and 62kWh variants.
Can I install the battery myself?
Yes! Our complete battery packs are plug-and-play. For battery modules, we provide detailed installation videos and wiring diagrams. Most customers report installation taking 1-2 hours with basic tools.
How long does shipping take for wholesale orders?
We offer multiple shipping options:
- Sea freight: 4-8 weeks (most cost-effective)
- Express shipping (DHL/FedEx): 3-8 business days
- Customized shipping solutions for large wholesale orders
What’s the warranty on CNS BMW i3 batteries?
We offer a 2-year/80,000 km warranty on all batteries, whichever comes first. This warranty covers manufacturing defects and ensures your battery maintains at least 90% capacity during the warranty period.
Do you offer volume discounts for repair shops?
Absolutely! We provide special pricing for repair shops and automotive businesses. Contact our sales team for customized wholesale pricing based on your order volume.
Ready to Restore Your BMW i3’s Range?
Stop overpaying for battery replacements. With CNS Battery’s OEM-compatible, high-performance BMW i3 battery solutions, you’ll enjoy the range and reliability you deserve at a fraction of the cost.
Get your custom quote today and discover why thousands of BMW i3 owners and repair shops trust CNS for their battery needs.


