Get Our Offer
Fill out the form below and we will contact you within 24 hours.
BMW N20 Three-Way Catalytic Converter | High Efficiency | Emission Compliance | Best Value
Built for Universal Fit – Powered by Precision Chemistry
This high-flow three-way catalytic converter is engineered for universal vehicle fitment, offering efficient emission control across Euro III and Euro IV standards. Designed to support both gasoline and diesel engines, it’s an ideal choice for aftermarket upgrades, replacements, or emission test compliance worldwide.
High Conversion Efficiency
400 CPSI ceramic substrate core ensures >90% reduction of CO, HC, and NOx emissions at ideal λ ratio – meeting strict Euro standards.
Universal Fit Design
Square, round, and custom shape options available to suit a wide range of car models.
Durable & Compact Build
Stainless steel body with ribbed heat shield and ceramic core rated for >800°C ensures thermal durability and long service life.
Certified for Compliance
OBD compatible, tested under Euro 2/3/4/5 protocols – suitable for multiple markets including Southeast Asia.
| Parameter | Detail |
| Product Name | High Flow Universal Three-Way Catalytic Converte |
| Model Number | All Cars |
| Vehicle Compatibility | Universal Fit (Petrol/Diesel) |
| Body Material | T409L Steel with Ribbed Heat Shield |
| Core Material | Ceramic (Honeycomb Substrate) 400 CPSI |
| Emission Standard | Euro III / Euro IV (Supports Euro 2–5) |
| Dimensions | 60 × 36 × 25 cm |
| Weight | Custom per spec |
| Shape | Square / Round / Customized |
| Color | Grey / White (General) |
| Fit Type | In-line Model |
| Package | Foam + Cardboard + Wooden Case |
| Production Capacity | 6,000 units/month |
| Application | Automotive Exhaust System / Emission Reduction |
| Inside Material | Ceramic/Metal Substrate with Mat |
| Function | Reduces CO, HC, NOx |
| Condition | 100% Brand-New |
| Origin | Dezhou, Shandong, China |
| Certifications | ISO9001, IATF 16949, CE, RoHS |
| Delivery Time | 3-25 Days (Based on Order Qty) |
| Shipping | FOB Qingdao/Tianjin/Global Shipping |
| Warranty | 1 year / 50,000km |
| HS Code | 8421320090 |
1. Emission Compliance
Helps vehicles pass Euro 3/4 regulations – ensures legal road use in emission-regulated regions.
2. Aged or Faulty Catalysts
Replaces worn or clogged converters – restores factory-grade emissions and power.
3. Efficiency Gains
400 CPSI honeycomb core minimizes backpressure – recovers fuel efficiency while cutting harmful gases.
4. Universal Fit Advantage
Flexible shape and connector design reduces installation time and inventory SKUs.
“This universal model balances flow and efficiency – perfect for garages needing reliable replacements without make-specific limits.”
– Jason T., Master Technician (EU Certified)
“It’s one of the few units that perform across Euro 3 to Euro 5 thresholds without triggering OBD-II codes.”
– Lili Zhang, Emissions Control Engineer
Perfect For:
Fleets upgrading outdated converters
Cars with P0420/P0430 DTCs
Export vehicles needing Euro-compliant parts
Auto repair shops handling multi-brand models
ISO 9001:2015 Manufacturing System Magnetic Leak Test – Zero Bypass Guarantee X-Ray Weld Inspection – 100% Structure Integrity OBD-II Sensor Compatible (Closed Loop Ready)
1. Proven Emission Control
90% pollutant reduction | OBD-compatible | Euro 2–5 Compliant
2. Streamlined Installation
OEM-style structure | Works with petrol & diesel | No ECU recalibration required
3. Real-World Performance
Durable at high heat | Compact & efficient | Ceramic or metal substrate optional
Case: Southeast Asia Taxi Fleet (2019–2023)
Issue: High NOx output + frequent check-engine lights
Solution: Switched to universal Euro IV converter with ceramic 400 CPSI
Result: Check-engine alerts eliminated, fuel cost dropped 6%
24/7 Expert Engineering Support
Share your production needs
Provide basic specifications (application, volume, emission standards) and receive within 24 business hours:
Fill out the form below and we will contact you within 24 hours.
Don’t rush to close it, now, please talk to our boss directly.Usually reply within 1 hour.