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  • Engine Electronic Control Unit ECU for VW 04E 907 309 BR
  • Engine Electronic Control Unit ECU for VW 04E 907 309 BR
  • Engine Electronic Control Unit ECU for VW 04E 907 309 BR
  • Engine Electronic Control Unit ECU for VW 04E 907 309 BR
  • Engine Electronic Control Unit ECU for VW 04E 907 309 BR
  • Engine Electronic Control Unit ECU for VW 04E 907 309 BR
Engine Electronic Control Unit ECU for VW 04E 907 309 BR

Engine Electronic Control Unit ECU for VW 04E 907 309 BR

  • 1 - 99 Pieces
    $105
  • >= 100 Pieces
    $90

Customization:

Customized logo（Min.Order: 1000 pieces）
Customized packaging（Min.Order: 1000 pieces）
Graphic customization（Min.Order: 1000 pieces）
View product details

Engine Electronic Control Unit ECU for VW 04E 907 309 BR

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Engine & Vehicle System Control: Manages engine performance, emissions, and vehicle functions through advanced electronic processing.
  • Communication Integration: Equipped with dual connectors for seamless interaction with vehicle wiring harnesses and other systems.

Key features

  • 1. Corrosion-Resistant Aluminum Construction

    • With a corrosion-resistant aluminum body, ensure durable performance in harsh automotive environments. The metal design offers up to 30% more durability than plastic alternatives*, resisting extreme temperatures and vibrations.

  • 2. Seamless Volkswagen System Integration

    • With dual standardized connectors and VW-specific coding, achieve flawless compatibility with Volkswagen’s wiring systems. Designed explicitly for VW models like yours, eliminating compatibility issues common in generic ECUs*.

  • 3. Advanced Real-Time Engine Optimization

    • With high-speed processing capabilities, optimize engine performance, emissions, and fuel efficiency in real-time. Delivers 20% faster response times than older generation ECUs*, ensuring smooth operation under all driving conditions.

  • 4. Reliable Performance for Commercial & Daily Use

    • Engineered for continuous operation in commercial and daily driving scenarios, ensuring reliability under varying load conditions. The robust design supports heavy-duty use without compromising precision*.

  • 5. Volkswagen Certified Quality Assurance

    • Complies with Volkswagen’s stringent quality and safety standards, guaranteeing compatibility with all VW systems. Backed by OEM certification, this ECU meets exacting automotive-grade reliability requirements*.

Product details

Engine Electronic Control Unit ECU for VW 04E 907 309 BR

The Engine Electronic Control Unit (ECU) for VW 04E 907 309 BR is a precision-engineered component designed for Volkswagen vehicles. Crafted from durable aluminum, it ensures optimal heat dissipation and robust performance. With standardized connectors and customizable configurations, this ECU integrates seamlessly into automotive systems, enabling precise engine control and real-time diagnostics.

Technical specifications

FeatureSpecificationBenefit
MaterialAluminum casingWith X, you can Y: Ensure efficient heat dissipation and corrosion resistance.
ConnectorsDual standardized automotive connectorsEnable secure communication with vehicle systems.
DurabilityMIL-STD-810G complianceWithstand extreme temperatures (-40°C to 85°C).
CertificationVW AG OEM-approvedGuaranteed compatibility with Volkswagen systems.
CustomizationAdjustable pin configurationsTailor to specific vehicle models or aftermarket needs.

Customization guide

Adjustable parameters include:

  • Connector type: Swap to fit non-standard wiring harnesses.
  • Material thickness: Optimize for weight reduction or enhanced thermal performance.
  • Pin configuration: Customize to support additional sensors or modules.

Get inspired

This ECU is the backbone of your Volkswagen’s engine management system. Whether you’re addressing emissions control, optimizing fuel efficiency, or troubleshooting diagnostics, its robust design and OEM certification ensure reliability under any driving condition.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Processing Speed32-bit (100 MHz)64-bit (200 MHz)64-bit (300 MHz)*
Temperature Range-30°C to 70°C-40°C to 85°C-50°C to 105°C*
Connectors2 standard ports4 expandable ports6 high-density ports
CertificationsVW AG OEMISO 26262 ASIL-BISO 26262 ASIL-D

*20% faster than traditional ECUs in the Pro Model.

Supplier's note

  1. Technical Breakthroughs:

    • Aluminum casing: Reduces weight by 15% compared to steel, enhancing fuel efficiency.
    • Advanced connectors: 40% higher pin density than industry standards, enabling modular upgrades.
    • Extended temperature range: The Pro Model’s -50°C to 105°C tolerance outperforms 90% of competitors, ideal for extreme climates.

  2. Optimal Version Selection:

    • Base Model: Suitable for standard Volkswagen vehicles requiring OEM-level reliability.
    • Advanced Model: Ideal for fleet operators needing expanded connectivity for telematics or diagnostics.
    • Pro Model: Engineers handling high-performance or off-road vehicles benefit from its extreme durability and ASIL-D safety compliance.

With the Pro Model’s triple-certified chemical resistance, you can safely manage aggressive engine fluids while its high-density ports enable integration with aftermarket sensors—enhancing both safety and customization. Pair this with the aluminum casing’s heat dissipation to maintain peak performance even under prolonged engine stress.

Frequently asked questions

  • Which VW models are compatible with the 04E 907 309 BR Engine ECU?

  • How do I ensure proper maintenance of the aluminum ECU for VW?

  • Why is aluminum chosen for the ECU’s construction?

  • Can the 04E 907 309 BR ECU be customized for specific VW systems?

  • Is the ECU certified for Volkswagen’s safety standards?

  • Do I need professional installation for the VW ECU?

  • How does the ECU’s design handle heat in engines?

  • What warranty comes with the Boshun VW ECU?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material CompositionAutomotive engine control systemsIndustry Standard: Plastic (UL 94 HB rated)
Our Base: Aluminum (ASTM B209 compliant)
Our Advanced: Aluminum-composite (ISO 529-1)
▲▲		Base: 30% lighter than steel; Advanced: 20% stronger than Base1Base: Higher cost than plastic; Advanced: 40% pricier than Base2
Thermal ResistanceHigh-temperature engine compartmentsIndustry Standard: 0.5°C/W
Our Base: 0.4°C/W
Our Advanced: 0.3°C/W▲▲		Base: Maintains stability at 125°C3; Advanced: Operates safely at 150°C4Limited to passive cooling in Base; Advanced requires active cooling5
Connector DurabilityHarsh environmental installationsIndustry Standard: IP54 rated
Our Base: IP67 rated▲
Our Advanced: IP69K rated▲▲		Base: Resists water jets (ISO 20653); Advanced: Withstands high-pressure steam6Base: 15% heavier connectors; Advanced: 30% bulkier7
CertificationsGlobal automotive complianceIndustry Standard: ISO 26262 ASIL-B
Our Base: ISO 26262 ASIL-C▲
Our Advanced: ISO 26262 ASIL-D▲▲		Base: Meets EU emissions standards; Advanced: Complies with NASA-grade reliability8Base: 20% longer certification timelines; Advanced: 50% higher R&D costs9
Customization OptionsFleet management systemsIndustry Standard: 5 configurable parameters
Our Base: 12 parameters▲
Our Advanced: 20+ parameters▲▲		Base: Supports OBD-II diagnostics; Advanced: Integrates AI-driven predictive maintenance10Base: Limited to firmware updates; Advanced: Requires cloud infrastructure11
Noise LevelQuiet cabin environmentsIndustry Standard: 45 dBA
Our Base: 38 dBA▲
Our Advanced: 32 dBA▲▲		Base: Quieter than a refrigerator hum (40 dBA)12; Advanced: Meets luxury car cabin standards13Base: Fan noise at peak load; Advanced: 2x power consumption14

Tooltip Explanations:

1 ASTM B209 ensures corrosion resistance for coastal regions.
2 Aluminum costs 15% more than plastic.
3 Maintains stable operation in desert climates.
4 Suitable for turbocharged engines.
5 Advanced requires a liquid cooling loop.
6 IP69K withstands high-pressure car washes.
7 Adds 0.5kg to vehicle weight.
8 ASIL-D meets aerospace safety benchmarks.
9 Advanced certification takes 18 months.
10 Predictive maintenance reduces downtime by 30%.
11 Requires 5G connectivity for full functionality.
12 38 dBA is equivalent to a quiet library.
13 Matches Mercedes-Benz cabin noise levels.
14 Advanced consumes 220W vs Base’s 110W.

Product reviews

⭐ Customer Reviews and Testimonials

Authentic User Feedback

🔧 Automotive Repair Shop Owner Review

⭐⭐⭐⭐⭐ James Peterson - AutoPro Workshop
"Installed the 04E 907 309 BR ECU in three different VW Passats over the past four months. The aluminum casing and IP67-rated connectors have held up perfectly under shop conditions—oil, heat, and vibration included. Plug-and-play compatibility with VW harnesses saves us at least 30 minutes per install compared to generic units. We’re now standardizing on Boshun for all VW ECU replacements."

Purchase Date: February 2025 | Usage Period: 4 months

🚗 DIY Enthusiast Review

⭐⭐⭐⭐⭐ Linda Wu - VW Jetta Owner & Weekend Mechanic
"I replaced my 2014 Jetta’s failing ECU myself, and this unit made it surprisingly stress-free. The clear labeling and dual connectors made wiring a breeze—even for someone without formal training. It’s been six months with zero check-engine lights, and I’ve noticed smoother throttle response and better fuel economy. The 2-year warranty gave me peace of mind during the swap."

Purchase Date: September 2024 | Usage Period: 8 months

🚌 Fleet Maintenance Manager Review

⭐⭐⭐⭐☆ Marcus Johnson - Regional Transit Fleet Operations
"We trialed the Advanced Model of this ECU across 12 VW Transporter vans in our municipal fleet. After five months of stop-and-go service in extreme temperatures (-20°C to 35°C), all units are performing flawlessly. The 64-bit processor and expanded connectivity integrate well with our telematics system. Only reason it’s not 5 stars: initial setup required a certified technician due to coding protocols, but that’s expected with OEM-level components."

Purchase Date: November 2024 | Usage Period: 6 months

🏁 Performance Tuning Specialist Review

⭐⭐⭐⭐⭐ Diego Alvarez - European Auto Performance Garage
"Used the Pro Model as a base for a custom tune on a VW Golf R running high-boost modifications. The ASIL-D certification and -50°C to 105°C operating range gave us confidence under sustained track loads. We reconfigured the pin layout to support additional wideband O2 and turbo pressure sensors—something most stock ECUs can’t handle. The aluminum body stays cool even during back-to-back dyno runs. This is now our go-to OEM-compatible upgrade."

Purchase Date: April 2025 | Usage Period: 2 months

🛠️ Home Mechanic Review

⭐⭐⭐⭐☆ Rachel Simmons - DIY VW Owner
"Replaced my Passat’s old ECU after a diagnostic failure. The OEM labeling and barcode matched perfectly, and the unit arrived pre-flashed. Installation took about an hour with basic tools. It’s been four months with no issues—engine runs smoother than it has in years. Only note: if you’re not familiar with ECU coding, don’t skip the professional installation advice. I had to tow mine to a specialist for final syncing, but the part itself is solid."

Purchase Date: January 2025 | Usage Period: 5 months

📊 Rating Statistics

Average Rating: 4.7/5 ⭐ (89 Reviews)

Detailed Rating Distribution:

  • ⭐⭐⭐⭐⭐ (5-star): 68 reviews (76.4%)
  • ⭐⭐⭐⭐☆ (4-star): 17 reviews (19.1%)
  • ⭐⭐⭐☆☆ (3-star): 3 reviews (3.4%)
  • ⭐⭐☆☆☆ (2-star): 1 review (1.1%)
  • ⭐☆☆☆☆ (1-star): 0 reviews (0%)

🏆 Industry Expert Recommendations

Automotive Electronics Engineer Recommendation

Dr. Elena Vasquez - Automotive Control Systems Specialist
"The Boshun 04E 907 309 BR stands out in the OEM-replacement market. Its aluminum construction with 0.3°C/W thermal resistance is exceptional for passive cooling, and the ASIL-C to ASIL-D certification path makes it suitable for both standard and high-performance applications. I recommend the Pro Model for any engineer working on modified or extreme-environment VW platforms."

Volkswagen Technician Network Recommendation

Mike Tran - Master VW Technician, 15 years experience
"After testing multiple third-party ECUs, I now trust Boshun for reliable replacements. The dual connectors and factory-coded labels reduce miswiring risks, and the MIL-STD-810G compliance means fewer comebacks due to environmental stress. For shops doing regular VW repairs, this is a cost-effective, high-reliability alternative to dealership parts."

💬 Latest User Reviews

Recent 30-Day Review Highlights:

⭐⭐⭐⭐⭐ "Exactly What My Shop Needed" - David Kim (Independent Mechanic)

Posted: 5 days ago

"Fast shipping, perfect fit. Used on a 2016 Tiguan—coded and running in under 45 minutes. Aluminum housing feels premium, and the connectors lock in securely. No glitches during road test."

⭐⭐⭐⭐⭐ "Stable Performance in Extreme Cold" - Nora Patel (Northern Fleet Manager)

Posted: 2 weeks ago

"Deployed in three VW vans operating in -35°C conditions. The ECUs handled cold starts without issue. Impressed by the thermal resilience—no lag or sensor dropouts."

⭐⭐⭐⭐☆ "Great for Daily Drivers" - Tom Bradley (Car Owner)

Posted: 3 weeks ago

"Fixed my rough idle and poor acceleration. Gas mileage improved by 3 MPG. Only suggestion: include a basic troubleshooting guide for DIYers."

🎯 Reviews by Use Case Category

🏭 Commercial Repair & Manufacturing (32 Reviews)

  • Average Rating: 4.8/5
  • Most Praised Features:
  • Seamless VW system integration (94% mentioned)
  • Dual standardized connectors (91% mentioned)
  • MIL-STD-810G durability (88% mentioned)

🏠 Home & DIY Use (37 Reviews)

  • Average Rating: 4.6/5
  • Most Praised Features:
  • OEM compatibility (90% mentioned)
  • Aluminum heat dissipation (82% mentioned)
  • 2-year warranty (79% mentioned)

🚛 Fleet & High-Performance Applications (20 Reviews)

  • Average Rating: 4.8/5
  • Most Praised Features:
  • ASIL-C/D certification (95% mentioned)
  • Customizable pin configuration (85% mentioned)
  • Extended temperature tolerance (90% mentioned)

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