12V 120A 13882/0123515022 Bosch car alternator for BMW 320/2.0i E46 M52B20

Designed as a reliable replacement for the BMW 320/2.0i E46 M52B20 engine series, this 12V 120A 13882/0123515022 Bosch car alternator for BMW 320/2.0i E46 M52B20 delivers consistent performance with a rated operating voltage of 12V DC and a continuous output current of 120A. Engineered to meet the demands of both commercial and passenger vehicles, it ensures stable power supply to the vehicle’s electrical system, supporting critical components like the battery, lights, and onboard electronics.​

Equipped with an internal voltage regulator, the alternator automatically adjusts output to maintain optimal charging levels, preventing overcharging and extending battery life. Its robust construction prioritizes durability, making it suitable for long-term use in various driving conditions.​

Key specifications enhance its compatibility and ease of installation: the shaft size measures Ø11mm, while the pulley features a Ø57mm diameter with 6PK grooves, ensuring proper alignment with the engine’s belt system. Mounting is simplified with a 240mm mount hole diameter, complemented by an Ø11mm adjustment hole and a pivoting mount hole (Ø11mm, M10*1.5), allowing for precise fitting without extensive modifications. The +B output uses an M8 terminal, matching original equipment standards.​

This alternator is a direct replacement for OE numbers 1231142979, 0123515022, and 112193, as well as cross-references like Hella CA1476 IR and Lester (B=28, C=77, A=69). Whether for routine maintenance, replacing a faulty unit, or upgrading the electrical system, it offers a maintenance-free solution that integrates seamlessly with the BMW 320/2.0i E46 M52B20, ensuring reliable operation for years to come.​

ZKM81239 Common Application: BMW 320 /2.0i E46 M52B20