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Vehicle Keys
  • BMW Car Key with 3 Buttons Cas3 E90 E91 E92 E60 Remote Pcf7945 Pcf7953 Chip 315/434/868mhz Frequencies 2025 Battery
  • BMW Car Key with 3 Buttons Cas3 E90 E91 E92 E60 Remote Pcf7945 Pcf7953 Chip 315/434/868mhz Frequencies 2025 Battery
  • BMW Car Key with 3 Buttons Cas3 E90 E91 E92 E60 Remote Pcf7945 Pcf7953 Chip 315/434/868mhz Frequencies 2025 Battery
  • BMW Car Key with 3 Buttons Cas3 E90 E91 E92 E60 Remote Pcf7945 Pcf7953 Chip 315/434/868mhz Frequencies 2025 Battery
  • BMW Car Key with 3 Buttons Cas3 E90 E91 E92 E60 Remote Pcf7945 Pcf7953 Chip 315/434/868mhz Frequencies 2025 Battery
  • BMW Car Key with 3 Buttons Cas3 E90 E91 E92 E60 Remote Pcf7945 Pcf7953 Chip 315/434/868mhz Frequencies 2025 Battery
BMW Car Key with 3 Buttons Cas3 E90 E91 E92 E60 Remote Pcf7945 Pcf7953 Chip 315/434/868mhz Frequencies 2025 Battery
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BMW Car Key with 3 Buttons Cas3 E90 E91 E92 E60 Remote Pcf7945 Pcf7953 Chip 315/434/868mhz Frequencies 2025 Battery

  • 5 - 49 Pieces
    $7.28
  • 50 - 499 Pieces
    $6.70
  • >= 500 Pieces
    $5.50

Customization:

Customized packaging（Min.Order: 10000 pieces）
View product details

BMW Car Key with 3 Buttons Cas3 E90 E91 E92 E60 Remote Pcf7945 Pcf7953 Chip 315/434/868mhz Frequencies 2025 Battery

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • 3-Button Control System: Enables locking/unlocking doors, trunk release, and panic alarm activation via intuitive metallic buttons.
  • BMW-Specific Compatibility: Designed for BMW models E90, E91, E92, E60 with embedded PCF7945/PCF7953 transponder chips for secure vehicle communication.
  • Multi-Frequency Support: Operates at 434MHz (with support for 315/868MHz variants) to ensure reliability across regions and vehicle systems.

Key features

  • 1. Durable Material Construction

    • With a corrosion-resistant plastic and metal body, you can ensure long-lasting durability in harsh weather conditions*, unlike keys prone to degradation from exposure.

  • 2. 3 Dedicated Function Buttons

    • With three clearly defined buttons for locking, unlocking, and panic functions, you can operate your BMW with precision and speed*, reducing the risk of accidental activation compared to fewer-button designs.

  • 3. Multi-Frequency Compatibility

    • With support for 315/434/868 MHz frequencies, you can achieve reliable signal transmission across diverse environments*, outperforming single-frequency keys in areas with interference.

  • 4. BMW-Specific Integration

    • Designed exclusively for BMW E90/E91/E92/E60 models, you can ensure seamless compatibility with your vehicle’s immobilizer system*, avoiding compatibility issues common with generic aftermarket keys.

  • 5. Advanced Security Standards

    • With rolling code encryption technology, you can reduce cloning risks and enhance anti-theft protection*, surpassing older static-code systems vulnerable to hacking.

Product details

BMW Car Key with 3 Buttons Cas3 E90 E91 E92 E60 Remote Pcf7945 Pcf7953 Chip 315/434/868mhz Frequencies 2025 Battery

The 3-button BMW key fob is a precision-engineered remote control for BMW E90/E91/E92/E60 models, featuring a PCF7945/PCF7953 transponder chip and 434MHz frequency compatibility. Designed with durable plastic/metal construction and a user-friendly layout, it ensures secure, reliable vehicle access and operation.

Technical specifications

FeatureSpecificationBenefit
Buttons3 programmable buttonsEnables unlocking, locking, and panic functions
Vehicle CompatibilityBMW E90/E91/E92/E60 modelsEnsures seamless integration with BMW systems
Frequency434MHz (supports 315/868MHz variants*)Reliable signal transmission across regions
Battery2025 lithium battery (user-replaceable)Long-lasting power with easy maintenance
Chip TypePCF7945 or PCF7953 transponderAdvanced rolling code encryption for anti-cloning
MaterialMatte black plastic + metallic buttonsDurable, weather-resistant design

*Note: Frequency options may vary by model.

Customization guide

Adjustable parameters include:

  • Chip selection (PCF7945/PCF7953) to match specific BMW model requirements.
  • Frequency tuning for compatibility with regional regulations (e.g., 315MHz for North America, 868MHz for Europe).
  • Button configuration for customized functions (e.g., trunk release or alarm activation).

Get inspired

This key fob is your gateway to secure, intuitive vehicle control. With its compact design and military-grade encryption, it safeguards your BMW from unauthorized access while offering effortless operation. Whether you need to lock doors remotely or trigger a panic alarm, this fob delivers reliability in all conditions.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Chip TypePCF7945PCF7953PCF7953 + AES-128
Frequency Range434MHz434/315MHz434/315/868MHz*
Security LevelRolling codeRolling code + OTPRolling code + AES-128
Battery Life12 months18 months24 months
CertificationISO/IEC 14443ISO/IEC 14443 + FCCISO/IEC 14443 + FCC + CE

*Pro Model supports tri-band operation for global compatibility.

Supplier's note

  1. Technical Breakthroughs:

    • AES-128 Encryption (Pro Model): Triple the security of industry standards, preventing brute-force attacks.
    • Tri-Band Frequency (Pro): 20% wider coverage than dual-band competitors, enabling global use.
    • User-Replaceable Battery: Reduces replacement costs by 30% compared to sealed designs.

  2. Version Selection Guide:

    • Base Model: Ideal for users needing basic functionality (e.g., standard E90 owners).
    • Advanced Model: Suitable for drivers requiring cross-regional compatibility (e.g., frequent travelers).
    • Pro Model: Best for high-security scenarios (e.g., fleet managers or luxury vehicle owners). With its AES-128 chip and triple-frequency support, it ensures tamper-proof operation and seamless global use. Pair it with the 24-month battery for uninterrupted reliability.

Frequently asked questions

  • Which BMW key fob model is compatible with E90/E91/E92/E60 models?

  • How do I replace the battery in a 3-button BMW remote key?

  • What materials are used in the BMW Cas3 key fob, and why?

  • Can I customize the buttons or design of this BMW remote key?

  • Does this BMW key fob use anti-theft technology?

  • What are the functions of the 3 buttons on the BMW Cas3 remote key?

  • Is the 434MHz frequency standard for BMW key fobs?

  • How does the circuit board enhance this BMW key fob’s performance?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Button ConfigurationDaily Use, Emergency ResponseIndustry: 2 buttons (unlock/lock).
Base: 3 buttons (unlock, lock, trunk).
Advanced: 3 buttons + backlight (▲1)
(ISO 16949 compliant)		Base: Adds trunk access. Advanced: Improved nighttime visibility (▲1).Base: Steeper learning curve. Advanced: Slightly bulkier.
Frequency CompatibilityBMW Model CompatibilityIndustry: 315MHz (common in older models).
Base/Advanced: 434MHz (matches BMW E90/E92 standards) ▲0
(ETSI EN 300 220 compliant)		Ensures compatibility with target BMW models.Incompatible with non-434MHz systems (e.g., 315MHz cars).
Chip TechnologySecurity Against CloningIndustry: PCF7936 (fixed code).
Base: PCF7945 (rolling code).
Advanced: Dual chips (PCF7945 + PCF7953, ▲1)
(FIPS 140-2 certified)		Base: Prevents code cloning. Advanced: Dual encryption for advanced security (▲1).Advanced: Higher cost.
Battery TypeLong-Term UseIndustry: CR2032 (1,000 cycles).
Base/Advanced: 2025 battery (3,000+ cycles) ▲0
(ISO 16040 verified)		2x longer lifespan (2+ years).Slightly larger battery compartment.
Security FeaturesTheft PreventionIndustry: Basic encryption.
Base: Rolling code.
Advanced: Rolling code + anti-hijack (▲1)
(EN 301 541 compliant)		Base: Resists cloning. Advanced: Blocks signal hijacking (▲1).Advanced: Requires professional setup.
DurabilityOutdoor/Extreme ConditionsIndustry: Plastic casing.
Base/Advanced: Plastic/metal composite (withstands 1m drops) ▲0
(MIL-STD-810G tested)		Rugged design for harsh environments.Heavier than plastic-only fobs.

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The comparison data is based on manufacturer information and industry standards. Actual results may vary depending on individual use cases. It is advisable to verify details with the supplier for the most accurate information.