Alternator for BMW 318D, 320D, 330D, 330XD & Land Rover Freelander 00-07 12312249966

Product Overview

This professional-grade 150A Alternator is a brand-new, premium replacement specifically engineered for BMW 3-Series and Land Rover Freelander diesel models (2000–2007). It is designed to handle the heavy electrical loads of diesel engines, ensuring a stable power supply for glow plugs, fuel pumps, and chassis electronics.

Part Numbers: Direct replacement for OE 12312249966, 12317789981, 12317789983, and Denso 104210-3350.

Vehicle Application: Precision-matched for the following diesel platforms:

BMW 3-Series (E46): 318d, 320d, 330d, and 330xd (2000–2005).

Land Rover Freelander: 2.0 TD4 (2000–2006).

Core Technology: Built with a 100% high-purity Copper Motor to ensure maximum conductivity, superior heat dissipation, and long-term durability in high-vibration diesel environments.

Technical Specifications

Electrical Power: Delivers a robust 150 Amp charging current at 12V, providing a significant upgrade over standard 100A-120A units for enhanced reliability.

Mechanical Configuration: Features Clockwise rotation with an Internal Fan and Internal Regulator for a compact, "bolt-on" installation.

Plug Interface: Equipped with an OE-spec 917-style plug for seamless integration with the factory wiring harness.

Build Quality: Engineered to the Denso OE Family design standard, ensuring the same fit and performance as the original factory unit.

Key Performance Features

Efficiency: Designed to be fuel-efficient with low energy consumption, reducing mechanical drag on the engine to support better fuel economy.

Quiet Operation: Features "Mute-level" low noise technology, preventing the high-pitched mechanical whine often found in lower-quality aftermarket alternators.

Reliability: Manufactured to withstand extreme engine bay temperatures, backed by a 12-month warranty.

OE Numbers

Alternator Specifications

Alternator Detailed Applications

Wholesale & Manufacturing Advantages

Certified Quality: Produced in facilities holding IATF 16949, ISO 9001, and ISO 14001 certifications, meeting global Tier-1 automotive quality standards.

Scalable Supply: With an annual capacity of 3 million sets, we provide a stable supply chain for international distributors and wholesalers.

Customization (OEM/ODM): Full support for custom branding, private-label packaging, and specialized material selections.

Logistics: Flexible lead times of 7–60 days with a Minimum Order Quantity (MOQ) of 100 units.

Alternator Supplier | High-Output, OE-Standard Production for Bulk Buyers

Elecdura Alternator Certification: CE, ISO Compliance, Plus Local Market Support

Elecdura alternators are manufactured in full compliance with leading international standards, enabling seamless market entry worldwide. We hold key certifications, including CE for product safety in the European market, ISO 14001 for environmental management, and ISO 45001 for occupational health and safety. These demonstrate our commitment to reliable performance, sustainable production, and high workplace standards.If your target market requires specific local approvals, our dedicated team will proactively coordinate the certification process to obtain all necessary documentation, ensuring your supply chain remains efficient and fully compliant. We are here to support your regulatory needs.

ISO14001

ISO45001

CE

Elecdura Alternators are made in automated factories with certified precision

The factory is equipped with advanced machinery to ensure consistent quality and high production efficiency throughout the alternator manufacturing process. Its modern facilities enable both large-scale production and adherence to stringent quality control standards.

Bulk Quantity of Alternator Rotors High-volume production of core rotating components, ready for final assembly.

Finished Alternators in Bulk Order Quantities Complete alternator units prepared for large-volume export and timely delivery.

OEMODM Alternator Showcase for Branding Explore customized solutions and branding opportunities for your market.

Industrial Alternator Assembly Line Witness precision manufacturing and efficient production capacity for reliable alternator supply.

Alternator Sample Display for Quality Inspection Evaluate product finish, craftsmanship, and key specifications firsthand.

Stator Assemblies Produced at Scale Consistent quality in bulk stator production, ensuring stable alternator performance.

BMW / Land Rover Alternator Quality: 30-Stage Testing & 100% Pre-Shipment Inspection

Development Experiment

Incoming Inspection

Field Inspection

Outgoing Inspection

Establish strict inspection system and process for each process from development, experiment and shipment of finished product.

The development, production and test of each starter must pass 30 kinds of test.

Before shipment, 100% check of the appearance, size and nut to prevent any defects from leaking out

BMW / Land Rover Alternator Supplier Strong Export Capability and Stable Supply

Elecdura ensures large-scale, stable supply of alternators to global markets. Each pallet and carton is meticulously packaged to export standards for secure transport. Leveraging years of export expertise and consistent demand from long-term clients, we provide reliable delivery assurance and supply chain continuity for bulk orders.

BMW / Land Rover Alternator Supplier Partnership Market Success

Elecdura collaborates with leading distributors and brands worldwide — helping our partners dominate their local aftermarket. Through professional sourcing, customized product development, and close market research, we've supported clients in becoming the Top 1 aftermarket suppliers in South America(in some categories). Our integrated marketing and supply capabilities make us more than a factory — we're your strategic growth partner.

Successful client collaboration showcased at trade fair booth

Distributor partnership meeting for aftermarket product planning

Elecdura with international buyer in Brazil Exhibition

Elecdura assisting South American client in aftermarket development

Elecdura team and partners at international auto parts exhibition

Warehouse of Elecdura global partner displaying stocked

FAQ-Alternator for BMW 318D, 320D, 330D, 330XD & Land Rover Freelander 00-07

Q1: Why can the BMW genuine part number 12312249966 alternator be compatible with both BMW 3-Series diesel cars (E46 platform) and the first-generation Land Rover Freelander?

A: This exemplifies platform sharing and OEM supplier strategies in the automotive industry. In the early 2000s, the first-generation Land Rover Freelander (L314) used the BMW-supplied M47 diesel engine in its diesel variants (shared with the contemporary BMW 3-Series (E46) diesel cars). As a core engine accessory, this alternator (part number 12312249966) was the original component designed and supplied by BMW for this M47 engine. Therefore, it is a true OEM-shared part. As long as the vehicle is equipped with that specific M47 diesel engine, it uses the same alternator, whether installed in a BMW or a Land Rover engine bay.

Q2: Which specific model years and engine codes of BMW and Land Rover is this alternator compatible with?

A: Its core application is based on the BMW M47 diesel engine:
BMW 3-Series (E46 platform): Approximately 1999-2005 models, specifically 318d (M47D20), 320d (M47D20), 330d (M57D30 - Note: this part number might only fit early M57, VIN confirmation needed), and 330xd equipped with M47/M57 engines.
Land Rover Freelander 1 (L314 platform): Approximately 2000-2006 diesel variants (TD4), equipped with the BMW M47D20 engine.
Critical Point: Not all 330d models use this alternator (different engines in later years), and it is NOT applicable to petrol BMWs or Freelanders. Precise matching using the vehicle's VIN is mandatory.

Q3: Is this a new part, a genuine remanufactured part, or an aftermarket part? How is its durability for diesel engines?

A: Part number 12312249966 is commonly found on the market as high-quality remanufactured units or new aftermarket parts built to OE specifications. Brand new genuine parts with the BMW logo are expensive. Given the higher compression and vibration characteristics of diesel engines, reliable remanufacturers use reinforced bearings and rectifiers. Prioritizing products produced or refurbished by Bosch (the original supplier) or reputable specialist remanufacturers (e.g., Hella, Valeo) is key to ensuring durability under diesel engine operating conditions.

Q4: After installation, is software programming or adaptation required for BMW or Land Rover vehicles?

A: For BMW E46 and first-generation Freelander vehicles of this era, their charging systems are relatively conventional. Communication between the alternator and the engine control unit (DDE/DME) is primarily via analog or simple digital signals, so complex software programming or coding is typically not required. After replacement, usually only physical installation and electrical connection are needed.
However, as a standard procedure, after battery disconnection, it may be necessary to use a diagnostic tool to clear any temporary fault codes that may appear and perform simple initialization on some comfort modules (e.g., windows, sunroof). For later models with basic power management modules, consulting the specific service manual is a prudent approach.

Q5: What is the warranty period for this product? As a part fitting two premium brands, what is the after-sales service like?

A: The industry standard warranty is typically 12 months unlimited mileage, with remanufactured units or quality aftermarket parts from reliable brands possibly offering 24 months. Since this part has a clear OEM part number, the supply chain is mature, and technical support is relatively clear.
Buyers should confirm whether the warranty is provided by the brand manufacturer (e.g., Bosch) or the seller. Given its application in BMW and Land Rover vehicles, choosing a supplier specializing in European car parts and capable of providing technical consultation (e.g., confirming compatibility with specific engine codes) is crucial. Retain the proof of purchase clearly stating the part number to facilitate any potential warranty claims.