BMW E87 E90 E90N E91 E92 E93 Alternator Generator Diesel 7802471

BMW E87 E90 E90N E91 E92 E93 Alternator Generator Diesel is an original component from the Alternators and generators group, designed for BMW 1 and 3 series diesel engines. This used generator ensures a factory-fit, stable battery charging, and proper operation of the electrical system in diesel-powered vehicles.

Specifications and technical data

• SKU: 7802471
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7802471
• Substitutable numbers: 7802471, 12317802471, 12317802927, 7802927
• Fuel type: Diesel
• Category: Alternators & Generators

Purpose and compatibility

The offered alternator is dedicated to popular BMW E87, E90, E91, E92, and E93 models with Diesel engines. Thanks to the use of the manufacturer's original design, the correct mounting geometry, proper pulley positioning, and seamless cooperation with engine accessories and the vehicle's electrical system are maintained.

This component has been designed as an integral part of the charging system, which translates into proper power supply for all electrical consumers – from engine control units and comfort systems to additional equipment.

Construction and functional parameters

The alternator plays a key role in the electrical system of a diesel-powered car, converting mechanical energy from the crankshaft into electrical energy. The construction of the BMW generator ensures:

• adequate current efficiency matched to the requirements of E87–E93 models,
• stable battery charging voltage across a wide range of loads,
• cooperation with the factory regulator and vehicle electronics.

As a result, the starting system, lighting, safety systems, and comfort equipment operate in a predictable manner consistent with the manufacturer's specifications.

Condition, origin, and installation advantages

The generator comes from the BMW range and is a used component, which allows for combining original fitment with an attractive price compared to new replacements. Using an original alternator reduces the risk of compatibility issues, improper charging, or electronic system errors.

The main installation advantages include:

• factory mounting points facilitating replacement in place of the old generator,
• preservation of original cable routing and electrical connectors,
• no need for installation modifications when correctly matched to a specific engine version.

Why choose a used BMW Diesel alternator

In the case of alternators for BMW diesel units, the combination of appropriate performance and correct cooperation with vehicle electronics is crucial. By choosing this generator model, you receive:

• original construction designed specifically for Diesel engines in the E87–E93 series,
• a cost-effective solution compared to new parts,
• maintenance of factory charging system operating parameters.

If you want to better understand the benefits of installing used components in cars of this brand, it is worth checking out the guide: Used parts for BMW – is it worth it? Key benefits for brand fans.

Expanding the charging system in BMW

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other components from the same group, such as additional generators, alternators with different performance, or compatible generators, check out the available parts in the BMW Alternators and generators category.