BMW AGM 12V Accumulator Battery 90Ah 900A 7575328

BMW AGM 12V Accumulator Battery 90Ah 900A is a factory-original battery from the Batteries category, designed for BMW vehicles equipped with a 12V electrical system and AGM technology. This solution is engineered to provide stable power for extensive onboard electronics and reliable engine starting under various operating conditions.

Specifications and technical data

• SKU: 7575328
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7575328
• Substitutable numbers: 61217575328, 7575328, 61216924023, 6924023, KZ
• Weight: 150
• Category: Batteries

AGM technology and operating characteristics

The AGM (Absorbent Glass Mat) battery utilizes a glass fiber separator that absorbs the electrolyte, which translates into increased resistance to shocks and vibrations as well as stable performance under high electrical loads. This type of construction is particularly beneficial in vehicles with start-stop systems, extensive comfort equipment, and numerous electronic control units.

The capacity and cold cranking amp parameters are selected to ensure reliable engine starting and an adequate energy reserve for consumers, even with frequent use in urban driving cycles. The use of AGM technology reduces the risk of deep discharge and improves resistance to intensive operation.

Compatibility with BMW vehicles

The presented battery has been designed as a component dedicated to BMW cars, which means it complies with the manufacturer's factory requirements regarding charging characteristics, load capacity, and integration with energy management systems. As a result, the vehicle's electrical system maintains stability, and the control units responsible for monitoring the battery can correctly track its status.

Proper fitment for BMW systems reduces the risk of errors in comfort, safety, and multimedia systems, and facilitates configuration after installation (battery registration in the vehicle, if required). This is especially important in modern models where the battery is an integral part of an advanced energy management system.

Application in the starting and power supply system

The battery from the Batteries category plays a key role in the starting system, powering the starter motor and essential vehicle systems when starting the engine. During operation, it stabilizes the voltage in the electrical system, supporting the alternator during temporary power consumption peaks, e.g., when operating heated windows, seats, fans, or advanced audio systems.

Thanks to its appropriately selected capacity and current characteristics, the 90Ah 900A AGM 12V battery provides:

• efficient engine starting in low temperatures,
• stable power supply for onboard electronics with a large number of consumers,
• better tolerance for frequent charge and discharge cycles in city traffic.

Product condition and operational aspects

The offered battery is a used component, which allows for an economical replacement in vehicles where functionality is a priority while maintaining reasonable service costs. Choosing such a solution is particularly beneficial for vehicles used intensively, where efficiently restoring full functionality of the power system is important without the need to invest in a new component.

Before installation, it is recommended to verify the condition of the vehicle's electrical system, the correctness of ground points, and the alternator's charging parameters. A properly selected and installed AGM battery reduces the risk of voltage drops, unwanted restarts of electronic systems, and accelerated wear of starting system components.

Integration with other BMW batteries

If you are planning a comprehensive repair or upgrade of the electrical power zone in your BMW and need other components from the same group, such as batteries with different capacities, models adapted to the start-stop system, or AGM versions for vehicles with extensive electronics, check the available parts in the BMW Batteries category.

Technical support and knowledge about vehicle systems

When selecting a battery, it is worth considering the general condition of the vehicle, including the state of the engine cooling system, which has a direct impact on electrical load (operation of fans, pumps, controllers). Additional information on the impact of engine operating temperature on component durability can be found in the article Engine cooling system – overheating, repair, and used radiators, which helps to better understand the dependencies between cooling system efficiency and electrical system load.