Wholesale BMW i3 Battery Mount Part Numbers – The Structural Secret That Stops Rattling, Prevents Crash Failures, and Turns “Drop-In” Into “Certified-Secure”

“A UK workshop installed 10 aftermarket BMW i3 battery packs—only to receive frantic calls within weeks: ‘My car sounds like a washing machine on the highway!’

The issue? Generic or missing mounting brackets that didn’t match OEM bolt patterns or load paths.
During an MOT inspection, one pack failed the structural integrity test—its mounts flexed under simulated crash loads.
They switched to CNS BATTERY’s Wholesale BMW i3 Battery Mount Part Numbers program—a precision-engineered chassis interface system with exact-fit brackets, crash-rated hardware, and model-specific part numbers.
Since then, every installation has passed roadworthiness checks—and customers report zero noise, zero movement, zero worry.”

If you distribute or install BMW i3 battery replacements professionally, you’ve likely treated mounts as “just metal brackets”—a dangerous oversight that can compromise safety, legality, and reputation:

• Universal brackets that don’t align with subframe holes, forcing drilling or shimming
• Soft steel or cast aluminum that fatigues under vibration
• Missing shear pins or anti-rotation tabs, allowing pack shift during cornering
• No compliance with BMW’s crash-load specs (up to 20g longitudinal force)

The uncomfortable truth? Mounts aren’t accessories—they’re structural safety components. BMW designed the i3’s battery cradle to absorb crash energy, isolate road noise, and maintain HV system alignment. Use the wrong mounts, and you risk pack displacement, connector strain, or even fire in a collision.

Most suppliers cut corners on mounting hardware because:

• It adds cost and inventory complexity
• Customers rarely ask about it upfront
• They assume “close enough” will hold

But what if every CNS battery came with OEM-mapped mounting hardware—each bracket, bolt, and bushing assigned a unique part number tied to model year, chassis code, and load rating—so you could verify structural integrity before shipping?

Now, safety-certified distributors, MOT-approved garages, and fleet operators demand mount-level precision—and CNS BATTERY, with reverse-engineered CAD models and dynamic load testing, delivers the only Wholesale BMW i3 Battery Mount Part Numbers reference that guarantees silent operation, crash resilience, and bolt-on compatibility—no modifications required.

Engineering rigor: CNS replicates BMW’s original mounting architecture:

• Die-cast aluminum brackets (T6 heat-treated, yield strength >240 MPa)
• Four-point shear-load design with anti-rotation lugs
• Vibration-damping rubber bushings (70 Shore A hardness)
• Grade 10.9 bolts with thread-lock coating
  Every mount set undergoes 50-hour vibration testing (per ISO 16750-3) and static load validation at 25g. Unlike generic stamped steel brackets, CNS mounts are stamped with laser-etched part numbers like CNS-I3-MNT-FR-45 and include torque-spec documentation. In 2026, as regulators enforce stricter EV structural standards (UNECE R156, ISO 21782), certified mounting isn’t optional—it’s your legal shield.

This guide reveals the hidden foundation of every safe installation—and how one numbering system eliminates guesswork forever.

Official CNS BMW i3 Mount Components & Part Numbers

🔩 Critical note: All brackets include pre-drilled, chamfered holes matching BMW chassis points 82 11 2 385 901–904—no drilling or filing needed.

✅ Why Precision Mounts Win Customer Trust & Compliance

• Pass MOT, TÜV, and state inspections without structural concerns
• Eliminate road noise and pack movement—even on rough terrain
• Protect HV connectors from strain-induced fatigue cracks
• Support warranty claims with certified hardware documentation
• Speed up installs: Bolt-in alignment in <15 minutes

“We used to lose time shimming brackets. Now, with CNS part numbers, it drops in like OEM—customers hear the difference immediately.”
— i3 Specialists Ltd., Manchester

📦 Bulk Supply Program Advantages

• Included standard: Every full-pack order ships with complete, pre-bagged mount kit
• Replacement kits available: Order by P/N (MOQ: 5 sets)
• Documentation provided:
  • Mount Installation & Torque Guide
  • Material Certification (Aluminum T6, Bolt Grade)
  • Vibration Test Summary (per batch)
• Lead Time: 7–10 business days
• Warranty: Full 2-year/80,000 km coverage—including mount failure or fatigue

CNS never ships packs with “mounts not included” or “use your own”—because structural integrity is non-negotiable.

Frequently Asked Questions: Wholesale BMW i3 Battery Mount Part Numbers

Q: Do these fit both BEV and REx models?

A: Yes—mount geometry is identical across all 2017–2021 i3 variants.

Q: Can I reuse OEM bolts with CNS brackets?

A: Not recommended—CNS bolts include anti-corrosion coating and precise thread pitch for optimal clamping force.

Q: Are the brackets compatible with lift points?

A: Yes—they preserve OEM battery service lift zones (marked on bracket surface).

Q: What if my customer has a modified subframe?

A: CNS offers custom mount engineering for lowered or reinforced chassis—contact pre-order.

Q: Do you provide CAD files for integration?

A: Yes—for bulk partners, STEP files are available upon NDA.

In EV Safety, What Holds the Pack Matters as Much as What’s Inside

And with CNS, you’re not just bolting in power—you’re anchoring trust, one certified mount at a time.

Stop Risking Noise, Failure, and Inspection Rejection—Get the Official Wholesale BMW i3 Battery Mount Part Numbers Guide Today and Ship Every Pack with Factory-Exact, Crash-Tested, Bolt-On Confidence.

Because when the road gets rough, your mounts shouldn’t be the weak link.

Download Your Free Mount Compatibility Chart + Unlock Bulk Pricing Now—Equip Every Installation with Structural Integrity, Silent Operation, and Full Regulatory Compliance:
👉 https://cnsbattery.com/ev-battery-home/ev-battery-contact/