12131748017 / 12131748018 / UF300 / NEC000040 / 12131703825
Copper windings, PPS housing, silicone boot
Elecdurauto
China
IATF 16949 / ISO 9001 / ISO 14000 / OHSAS 18000
OEM label and ODM customization accepted
100 pcs
7–15 Days
50,000 pcs / month
Individual box / 4-pack set / bulk tray / custom label
High-voltage tester, coil resistance meter, insulation tester, etc.
18 months / 12,000 miles
12131748017 / 12131748018 / UF300 / NEC000040 / 12131703825
BMW 323i, 328i, 528i (E39 / E46 series)
Model Years 1998 / 1999 / 2000
| Quantity: | |
|---|---|
Product Description
OEM-Grade Quality: Manufactured in IATF 16949-certified facilities to meet or exceed BMW ignition system standards.
Wide Compatibility: Direct-fit replacement for BMW 323i, 328i, 528i (E39/E46, 1998–2000) covering OE 12131748017 / 12131748018 / UF300.
Durable Construction: Features precision copper windings, PPS housing, and silicone boot for heat, vibration, and wear resistance.
B2B Wholesale Advantage: Factory-direct supply, low MOQ (100 pcs), and 50,000 pcs monthly capacity for importers and distributors.
Flexible Service: Supports OEM private labeling, ODM customization, and multiple packaging options (single box, 4-pack, bulk tray).
| Specification | Description |
|---|---|
| Coil Type | Coil On Plug (COP) Ignition |
| Voltage | 12V DC (Nominal) |
| Peak Ignition Voltage | Up to 40,000 V |
| Spark Energy | 40 – 50 mJ (varies by operating condition) |
| Primary Resistance | 0.60 Ω |
| Secondary Resistance | 5,900 – 6,300 Ω |
| Turns Ratio (P:S) | Approx. 1:78 |
| Inductance | 2.5 – 3.8 mH |
| Voltage Rise Time | < 2.0 kV/µs |
| Operating Temperature | –40°C to +125°C |
| Storage Temperature | –40°C to +100°C |
| Fluids Resistance | Resistant to gasoline, engine oil, brake fluid, and coolant |
| Vibration Resistance | Up to 45g |
| Housing Material | Heat-resistant PPS with epoxy resin encapsulation |
| Mounting Type | Snap-fit coil-on-plug (no mounting bolt required) |
| Mounting Hardware Included | No |
| Mounting Hole Quantity | N/A (plug-in mounting) |
| Connector Gender | Female |
| Terminal Gender | Male |
| Terminal Quantity | 2 |
| Terminal Type | Blade |
| Ignition Type | Distributor-less, coil-on-plug (COP) system |
| Oil Filled | No |
| External Resistor Required | No |
| Package Contents | Ignition Coil Unit, Instruction Sheet |
| Coil Wire Included | No |
| Dimensions (L×W×H) | Approx. 105mm × 42mm × 58mm (varies slightly by SKU) |
| Weight | Approx. 280g |
| Applicable Engine Types | BMW M52 / M52TU 2.5L & 2.8L Inline-6 Naturally Aspirated |
| Standard Compliance | ISO 9001 / IATF 16949 |
| Make | Model / Series | Year | Engine Displacement | Engine Code |
|---|---|---|---|---|
| BMW | 325i (E46) | 2001–2006 | 2.5L | M54B25 |
| BMW | 330i (E46) | 2001–2006 | 3.0L | M54B30 |
| BMW | 525i (E39) | 2000–2003 | 2.5L–3.0L | M54B25 / M54B30 |
| BMW | 530i (E39) | 2000–2003 | 3.0L | M54B30 |
| MINI | Cooper & Cooper S | 2002–2006 | 1.6L / 1.6T | N/A |
| Rolls-Royce | Various (e.g., Ghost, Wraith) | 2003–2018 | V12 | N/A |
Understanding the internal design of the 12131748017 ignition coil explains why Elecdurauto delivers consistent spark reliability, superior heat resistance, and extended service life for BMW 323i, 328i, and 528i models.
Each component of the Elecdurauto ignition coil is precisely engineered to optimize ignition accuracy, voltage control, and energy efficiency. The design is particularly effective in supporting EGR (Exhaust Gas Recirculation) and lean-burn engine systems, where stable combustion is critical for improved fuel economy and reduced CO₂ emissions.
At Elecdurauto, we know that a high-performance ignition coil starts with precision engineering and ends with uncompromising quality control. That's why we've heavily invested in state-of-the-art production equipment and rigorous testing systems to ensure every coil meets OEM-grade expectations reliably and consistently.
Automatic Assembly Machine
ECU Testing Machine
Injection Mould Area
Secondary Winding Machine
Shell Injection Area
Vacuum Casting Equipment
Product Testing Equipment
Ignition Coil Tester
Climate Test Chamber
Thermal Shock Chamber
Assembly Workshop
Comprehensive Performance Tester
At Elecdurauto, we specialize in producing and supplying the 12131748017 ignition coil for BMW 323i, 328i, and 528i, as well as a broad range of global vehicle platforms. Built to OEM-grade standards, our coils meet or exceed original performance requirements and are trusted by importers, distributors, and aftermarket brands in 30+ countries. Whether for bulk supply, private label customization, or direct-fit aftermarket replacements, Elecdurauto provides the ideal balance of quality, reliability, and responsive service to help your business meet market demand.
To maintain our position as a top ignition coil manufacturer, Elecdurauto operates with world-class machinery:
Vacuum Casting Equipment – For high-purity resin insulation and heat resistance
Automatic Winding Machines – Ensuring stable and high-speed coil winding
High-Voltage Testing Systems – Guaranteeing 100% product safety and performance
Injection Moulding Machines – For precise and durable component shaping
We also run a dedicated mould and injection workshop, which allows us to have faster lead times and tighter control over consistency.
Elecdurauto specializes in precision-engineered ignition coil solutions designed for BMW applications, including the 1999-2000 BMW 323i, 328i, and 528i. Our coils—compatible with OE numbers 12131748017 / 12131748018 / UF300 / NEC000040 / 12131703825—are built using high-temperature copper windings, epoxy encapsulation, and heat-resistant PPS housings. These components ensure reliable spark energy under the demanding conditions of BMW's N52 inline-6 engine, providing stable ignition performance, thermal durability, and long-term reliability across a wide range of 3-Series and 5-Series models.
Our production facilities overlap with Tier 1 OEM manufacturers of Denso, Bosch, Valeo, Delphi, and Magneti Marelli—allowing us to offer equivalent-quality ignition coils that match original performance.
We support OEM replacement ignition coils, branded label customisation, and custom SKU development tailored to your local market needs.
Want to highlight your branding? We support private label ignition coil production with your logo, packaging, and barcode-ready shipping.
We manage the entire production cycle—from raw material inspection to final packaging—with rigorous checks at every stage:
FMEA-based defect prevention
Standardised & lean production systems
Process stability testing & 100% final inspection
This ensures lower defect rates, fewer returns, and longer product lifespans for your customers.
Whether you need 100 pieces of ignition coils for the 1999-2000 BMW 323i, 328i, and 528i or a container shipment of mixed SKUs, our system is built to adapt:
Low MOQ (100 units per SKU)
Rapid 2–5 day dispatch for stock coils
15–25 day lead time for OEM & custom orders
Amazon FBA / Mercado Libre packaging support
If the exact OE number or model is not listed, please contact us directly. Elecdurauto covers over 20,000+ ignition coil SKUs and can supply custom solutions for distributors, repair shops, e-commerce sellers, and fleet operators.
This product is a direct-fit replacement for BMW 323i, 328i, and 528i (E39/E46, 1998–2000) with OE 12131748017 / 12131748018 / UF300. We also supply ignition coils for a wide range of BMW, Audi, Toyota, Ford, and more.
Yes. We support OEM private labeling and ODM customization, including brand logo, packaging design, and tailored bulk order programs for distributors and brand owners.
Our standard MOQ is 100 pcs per model. For large distributors and wholesalers, we can provide flexible solutions depending on your market needs.
Regular orders can be shipped within 7–15 days. With a monthly production capacity of 50,000 pcs, we guarantee fast lead times for bulk and repeat orders.
All Elecdurauto ignition coils are manufactured in IATF 16949, ISO 9001, ISO 14000, and OHSAS 18000 certified facilities, ensuring consistent OEM-grade quality.
Each coil undergoes high-voltage testing, resistance measurement, insulation checks, vibration, and endurance testing to ensure long-lasting ignition performance.
We provide 18 months / 12,000 miles warranty for all ignition coils. This gives distributors and customers confidence in long-term reliability.
Yes. We specialize in factory-direct wholesale supply with bulk pricing, flexible packaging, and worldwide delivery, ideal for importers and large distributors.
Our coils are widely used in automotive repair shops, spare parts distribution, e-commerce platforms, fleet maintenance, and brand owners'aftermarket lines, delivering both quality and supply chain efficiency.
