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Wholesale BMW i3 Isolation Transformer Rebuild Kit

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Revitalize Your BMW i3: Premium Battery Replacement Kits at 50% Off OEM Price

Why Your BMW i3’s Range is Fading (And How to Fix It)

Is your BMW i3 struggling to reach its advertised range? Does the “charge” indicator drop faster than it used to? If you’re noticing your electric range shrinking from 180km to just 100km on a full charge, you’re not alone. Many BMW i3 owners face this frustrating reality after 3-5 years of ownership.

The good news? You don’t need to replace your entire vehicle. A high-quality battery replacement can restore your BMW i3’s original range while saving you thousands compared to OEM prices.

Why CNS BATTERY’s BMW i3 Battery Solutions Stand Out

CNS BATTERY has become the trusted choice for BMW i3 owners worldwide seeking reliable, cost-effective battery replacements. Our solutions aren’t just about restoring range—they’re about delivering superior performance, safety, and value.

OEM-Quality Performance at Half the Price

When you choose CNS BATTERY for your BMW i3, you’re not settling for generic replacements. We use brand-new CATL lithium battery cells—the same quality as original BMW components—ensuring your vehicle’s performance matches or exceeds factory specifications.

Unlike dealerships charging $12,000+ for a new battery, our 45kWh, 50kWh, and 62kWh BMW i3 battery packs deliver:

  • 50%+ cost savings compared to OEM prices
  • 2-year/80,000km warranty (longer than most competitors)
  • Plug-and-play installation with full compatibility across all BMW i3 models

The CNS BATTERY Advantage: Real Results, Real Owners

Don’t just take our word for it. Here’s what real BMW i3 owners are saying:

“After the original battery degraded, the 4S dealership quoted €12,000. CNS provided a brand-new CATL battery at a fraction of the cost. The range increased from 180km to 290km, and the sea shipping was smooth with fumigation-free packaging. The lifetime technical support was incredible!”
Lisa K., Berlin, Germany

“The installation was straightforward with the detailed video tutorial. Connecting the 6 power lines and 1 signal line was simple, and the customer service guided me through any issues within an hour. Now I get 290km per charge instead of the original 180km.”
David L., London, UK

Why Choose CNS BATTERY for Your BMW i3 Battery Replacement?

1. Genuine CATL Battery Cells, Not Refurbished Parts

We use brand-new, original CATL lithium cells—not recycled or refurbished batteries. This means:

  • No swelling issues
  • No sudden capacity drops
  • Consistent performance over time
  • Longer lifespan than OEM batteries

2. Complete Compatibility Assurance

Before you even place an order, we perform a free VIN compatibility check to ensure your new battery will work perfectly with your specific BMW i3 model. This eliminates the risk of ordering incompatible parts.

3. Expert Installation Support

Our installation process is designed for both DIY enthusiasts and professional mechanics:

  • Complete battery packs: Simply plug-and-play
  • Battery modules: Connect 6 power lines and 1 signal line (with full wiring harness included)
  • Step-by-step video tutorials available for every model

4. Unmatched Warranty Protection

We back our products with a 2-year/80,000km warranty—longer than most competitors. If any issues arise within this period, we provide immediate replacement or repair.

Your BMW i3 Battery Upgrade Options

CNS BATTERY offers three premium battery options for your BMW i3:

45kWh Battery Pack

  • Ideal for standard-range BMW i3 models
  • Restores original factory range
  • Perfect for daily commuting
  • Price: $7,200 (50%+ off OEM)

50kWh Battery Pack

  • Increased range for longer trips
  • Seamless integration with existing systems
  • Enhanced performance without modifications
  • Price: $7,800 (50%+ off OEM)

62kWh Battery Pack

  • Maximum range upgrade (up to 290km)
  • Perfect for drivers who need extended travel
  • Plug-and-play compatibility with all BMW i3 models
  • Price: $8,500 (50%+ off OEM)

Frequently Asked Questions

Q: How long does the installation process take?

A: Complete battery packs typically take 2-3 hours to install. For battery modules, installation takes approximately 2 hours with basic tools. We provide detailed video tutorials for both options.

Q: Will the new battery affect my BMW i3’s warranty?

A: No. Our batteries are designed to be fully compatible with your BMW i3’s systems without voiding your vehicle’s warranty. We also provide a VIN compatibility check before purchase.

Q: How long does shipping take?

A: Sea shipping takes 4-8 weeks for most international destinations. For urgent orders, we offer expedited shipping options. All packages use fumigation-free wood packaging to ensure safe delivery.

Q: What’s included in the battery pack?

A: Each battery pack includes:

  • Complete battery system with BMS
  • All necessary wiring harnesses
  • Installation manuals
  • Technical support access

Q: Can I install the battery myself?

A: Yes, absolutely! We provide detailed installation guides, videos, and technical support for DIY installations. If you’re not comfortable with the process, we can connect you with certified installation partners.

Stop Wasting Money on Expensive OEM Batteries

Your BMW i3 deserves a battery that delivers the range and reliability you expect. Instead of paying $12,000+ for an OEM battery that may not even meet your needs, choose a solution that offers:

  • 50%+ cost savings
  • Superior battery cell quality
  • Longer warranty coverage
  • Real-world performance improvements

Transform Your BMW i3 Today – Get Your Custom Quote Now

Don’t let a degraded battery limit your driving experience. With CNS BATTERY, you can restore your BMW i3’s range to factory specifications at a fraction of the cost.

Ready to experience the difference?

Get Your Free Custom Quote Now
Complete the simple form, and our battery specialists will provide personalized recommendations within 24 hours.

No hidden fees. No pressure. Just a reliable solution to extend your BMW i3’s life and performance.

Your journey to a fully charged, worry-free driving experience starts today.

Looking for the perfect battery solution? Let us help you calculate the costs and feasibility.

Click below to apply for 1-on-1 technical support and get your personalized assessment report immediately.

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