BMW 12311744563 Engine Motor Alternator Generator Unit 140A

( Manufacturer Part Number: 12311744563 ), ( Type: Alternator ), ( Oe/oem Part Number: Compact Alternator, 12311738351, 1738351, 1 738 351 ), ( Manufacturer Warranty: 2 Months ), ( Voltage: 14 V ), ( Amperage: 140 A ), ( Features: Pulley Included )

Review BMW Series Engine Motor Compact Alternator Generator Unit 140a Oem fits E36 1993–2002

The BMW 123 117 445 63 is an original equipment manufacturer (OEM) alternator generator unit designed for use in BMW E36 model vehicles from 1993 to 2002. This alternator, part number 123 117 445 63, is a crucial component of the electrical system, responsible for charging the battery and supplying power to the vehicle's electrical accessories.

The BMW 140A alternator is designed to deliver a maximum output current of 140 amperes at 13.8 volts, ensuring that the battery is consistently charged and the vehicle's electrical systems are reliably powered. The alternator's robust and efficient design includes a compact and lightweight rotor with a three-phase winding, which facilitates smooth and efficient power generation.

The alternator's housing is made of durable aluminum, which not only reduces weight but also offers excellent heat dissipation properties. The alternator is also equipped with a diode rectifier, which converts the alternating current (AC) generated by the alternator into direct current (DC) for charging the battery.

This BMW OEM alternator is engineered to meet the highest standards of quality and performance, ensuring a perfect fit and seamless integration with your vehicle's electrical system. The alternator comes complete with all necessary mounting hardware, making installation quick and straightforward.

Additionally, the alternator features a built-in voltage regulator, which maintains a consistent battery voltage and prevents overcharging or undercharging, ensuring the longevity of the battery and the overall health of the vehicle's electrical system.

In summary, the BMW 123 117 445 63 140A alternator generator unit is a high-performance, reliable, and efficient component designed specifically for BMW E36 vehicles from 1993 to 2002. Its robust design, smooth power generation, and excellent heat dissipation properties make it an ideal choice for maintaining the electrical health of your BMW.

The BMW E36 140A alternator is a crucial component in your BMW 1 Series vehicle's charging system. It is responsible for converting mechanical energy from the engine into electrical energy to charge the battery and power the vehicle's electrical systems. Here are some pros and cons of buying this BMW 140A alternator:

1. OEM Part: This alternator is an original equipment manufacturer (OEM) part, meaning it is made by BMW or by a manufacturer authorized by BMW. This ensures that it meets BMW's strict quality standards and is a direct replacement for the original component.

2. Reliable: BMW is known for its high-quality components, and this alternator is no exception. It is designed to provide reliable and efficient power to your vehicle's electrical systems.

3. Long-Lasting: BMW alternators are built to last, and this 140A alternator is no different. With proper maintenance, it can last for many years, reducing the need for frequent replacements.

4. Easy Installation: This alternator is a direct replacement for the original component, making installation easy and straightforward. You do not need to make any modifications to your vehicle to install it.

5. Peace of Mind: By purchasing an OEM BMW alternator, you can have peace of mind knowing that you are using a genuine BMW part that is designed to work perfectly with your vehicle.

1. Cost: This BMW 140A alternator can be more expensive than aftermarket alternators. However, the cost may be worth it for the reliability and peace of mind that comes with using an OEM part.

2. Availability: Depending on your location and the availability of BMW dealerships or parts suppliers, it may be more challenging to find and purchase this alternator compared to aftermarket alternatives.

In conclusion, the BMW E36 140A alternator is a high-quality, reliable, and long-lasting component that is essential for the proper functioning of your BMW 1 Series vehicle. While it may be more expensive than aftermarket alternatives, the peace of mind and reliability that come with using an OEM part make it a worthwhile investment. If you are in need of a replacement alternator for your BMW 1 Series, it is recommended that you consider purchasing the BMW E36 140A alternator.

Details:

Vehicle had an Automatic transmission. Vehicle had around 114k miles. Ext Color Code: Alpine White 300. Item Comes as Seen in The Pictures.

Donor Vehicle: This came off of a 1996 BMW E36 328IC 2.8L. 96 E36 328IC ET92694.

part #: 12311744563 prices

• $39.99-$299.99

specifications altnagen:

• for models: E36
• for makes: Bmw
• for years: 1993-2002
• mpn: 12311744563
• type: Alternator
• oe/oem part number: Compact Alternator, 12311738351, 1738351, 1 738 351
• manufacturer warranty: 2 Months
• voltage: 14 V
• amperage: 140 A
• features: Pulley Included

shipping altnagen:

• carrier: UPS
• type: Fixed
• cost: $30.00
• service: UPS Ground
• class: Standard
• transit: 3-6 Days

seller altnagen:

• city: Garland, Texas
• rating: 99.9%
• # reviews: 9208

general altnagen:

• condition: Used
• Car Truck Parts Accessories > Starters, Alternators, ECUs Wiring > Alternators Generators

offer altnagen:

• quantity: 1
• sold: 0
• availability: In Stock
• options: Ship-to-home
• started: January 10, 2026

payments altnagen:

• other
• wallet: Google-pay
• credit card: Discover

returns altnagen:

• paid by: Seller
• policy: Returns Accepted
• time: 60 Days

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