Choosing the best battery for your BMW 328i ensures reliable starts and long-lasting performance. A quality battery matches your car’s power needs and weather conditions.
BMW 328i requires batteries that offer strong cold-cranking amps (CCA) and reserve capacity (RC) to handle engine demands. AGM batteries stand out for durability and maintenance-free use. Options like Weize Platinum AGM and ACDelco Gold provide excellent power and up to 36 months warranty.
Size compatibility is key; popular sizes include Group 49 and 94R, fitting various BMW models perfectly. Batteries such as Mighty Max and UPLUS deliver reliable starts and steady voltage. Selecting a battery with proper CCA and RC ensures your BMW 328i runs smoothly in all seasons. This guide highlights top-rated batteries to help you make an informed choice easily.
Weize Platinum Agm Battery

The Weize Platinum AGM Battery BCI Group 49-12v 95ah H8 Size 49 Automotive Battery is ideal for vehicle owners looking for a reliable and powerful battery solution. It is perfect for those who need a long-lasting battery with high cold cranking amps to ensure their vehicle starts quickly in any weather. This battery suits drivers who prioritize durability, maintenance-free operation, and extended warranty coverage.
Pros:
- High cold cranking amps (900 CCA) for superior starting power in cold conditions
- 95ah capacity ensures long-lasting performance and reliability
- AGM technology offers maintenance-free operation and enhanced durability
- 36 months warranty provides peace of mind and confidence in the product
- Compact dimensions (13.9″ L x 6.89″ W x 7.48″ H) suitable for various vehicle models
- 160 reserve capacity (RC) supports extended power supply when needed
Cons:
- Relatively heavy at 56.43 pounds, which may require careful handling during installation
- Premium price point compared to standard lead-acid batteries
The Weize Platinum AGM Battery features advanced Absorbent Glass Mat (AGM) technology that enhances its lifespan and performance. This design prevents acid leakage and allows the battery to be mounted in multiple positions, offering flexibility for installation. The battery’s high 900 CCA rating ensures reliable engine starts even in harsh winter conditions, making it a dependable choice for cold climates.
Additionally, its 95ah capacity and 160 reserve capacity provide sustained power for vehicles with high electrical demands or extended accessory use. The compact size fits well in a variety of automotive applications, and the robust 36-month warranty guarantees long-term support and quality assurance. Overall, this battery combines power, durability, and convenience for drivers seeking a premium automotive battery solution.
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Weize Platinum Agm Battery Bci Group 94r

The Weize Platinum AGM Battery BCI Group 94R is ideal for vehicle owners who demand reliable, long-lasting power from their automotive battery. Perfect for those with mid to large-sized vehicles requiring a robust 12v 80ah battery, this model suits drivers looking for enhanced starting power and durability, especially in harsh weather conditions.
Pros:
- High Cold Cranking Amps (850CCA) for reliable engine starts in cold weather
- Absorbent Glass Mat (AGM) technology for maintenance-free operation and improved vibration resistance
- Long service life with a 36-month warranty ensuring peace of mind
- Compact dimensions (12.4″ L x 6.89″ W x 7.48″ H) fit standard automotive battery compartments
- High reserve capacity (140RC) for sustained power during electrical demands
Cons:
- Heavier weight (50.93 pounds) may require careful handling during installation
- Premium features come at a slightly higher price compared to basic batteries
The Weize Platinum AGM Battery combines advanced AGM technology with impressive power specifications to deliver excellent performance and reliability. Its 850 Cold Cranking Amps enable quick starts even in freezing temperatures, making it an excellent choice for drivers in colder climates. Additionally, the battery’s maintenance-free design eliminates the hassle of topping off fluids, saving time and effort for the user.
With a solid 36-month warranty, this battery offers assurance of quality and durability. The compact yet sturdy design fits most vehicles requiring a Group 94R battery, while the high reserve capacity ensures your car’s electrical systems remain powered during extended use. Overall, the Weize Platinum AGM Battery is a dependable and efficient power source for drivers seeking enhanced starting power and longevity.
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Acdelco Gold 94ragm Battery

The ACDelco Gold 94RAGM (88864542) AGM Battery is ideal for vehicle owners seeking a reliable, long-lasting power source with enhanced performance. This battery is perfect for those who require a maintenance-free option with excellent durability, especially in modern vehicles that demand high electrical loads. If you want a battery that offers a balance of power, longevity, and warranty coverage, this product is an excellent choice.
Pros:
- Comes with a 36-month warranty for peace of mind and reliability
- Advanced AGM technology provides superior starting power and deep cycling capability
- Compact dimensions (7.5 x 6.9 x 12.4 inches) make it compatible with many vehicle models
- Maintenance-free design eliminates the need for regular water refills
- Robust construction weighs 51.6 pounds, ensuring durability and vibration resistance
Cons:
- Heavier than conventional batteries, which might be a consideration for some users
- Typically higher price point compared to standard flooded lead-acid batteries
The ACDelco Gold 94RAGM AGM Battery features Absorbent Glass Mat (AGM) technology, which enhances its ability to deliver consistent power and improves resistance to vibration and shock. This makes it especially beneficial for vehicles that experience rough driving conditions or require high electrical demands. The battery’s compact yet sturdy design fits well in various engine compartments without compromising power output.
Additionally, the 36-month warranty offered by ACDelco provides added assurance of the battery’s quality and reliability. Users benefit from a maintenance-free experience, as the sealed design prevents electrolyte loss and eliminates the need for regular upkeep. Overall, this battery offers a dependable energy source for drivers who value performance, longevity, and convenience.
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Mighty Max Battery Mm-h7 Start And Stop Car Battery

The Mighty Max Battery MM-H7 Start and Stop Car BCI Group Size 94R 12V 80AH, 140RC, 850 CCA Rechargeable AGM Car Battery is ideal for car owners looking for a reliable and high-performance battery, especially those with vehicles equipped with start-stop technology. This battery suits drivers who demand long-lasting power and quick recharging capabilities for their daily commutes or long trips. It is perfect for anyone needing a durable, maintenance-free battery that can handle frequent engine restarts and varying driving conditions.
Pros:
- High Cold Cranking Amps (850 CCA) ensures reliable starts even in cold weather.
- Maintenance-free AGM design offers spill-proof and vibration-resistant performance.
- Long-lasting 80AH capacity provides extended battery life and consistent power delivery.
- Compact dimensions (7.48″ H x 6.88″ W x 12.5″ L) fit most vehicles requiring Group Size 94R.
- Rechargeable and designed for vehicles with start-stop systems, enhancing fuel efficiency.
Cons:
- Relatively heavy weight at 50.95 pounds may require careful handling during installation.
- Premium features come at a higher price point compared to standard batteries.
The Mighty Max Battery MM-H7 stands out with its advanced Absorbent Glass Mat (AGM) technology, which provides superior power delivery and durability. This technology makes the battery spill-proof and resistant to vibrations, reducing the risk of damage and extending its lifespan. Its high Cold Cranking Amps (850 CCA) rating ensures dependable starts in even the coldest climates, which is especially beneficial for drivers in regions with harsh winters. The battery’s 80AH capacity supports longer usage periods between charges, making it a dependable choice for frequent drivers.
Additionally, this battery is specifically designed to support vehicles equipped with start-stop technology, which helps improve fuel economy and reduce emissions by shutting off the engine during idling. The Mighty Max MM-H7’s rapid recharge capability allows it to quickly regain power after each engine stop, ensuring seamless performance throughout the day. Its compact size and black color make it a versatile option that fits well in many car models, combining practical design with high functionality for everyday use.
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Key Fob Battery For Bmw Cr450 (2 Pack)

The Key Fob Battery for BMW CR450 (2 Pack) is ideal for BMW owners who need a reliable and convenient replacement for their remote key batteries. Perfect for drivers of various BMW models including the 2, 3, 5, 6, and 7 Series, as well as X3, X4, and specific models like 320i, 335i, and 550i, this product is designed for those seeking an OEM-quality solution to keep their key fobs functioning seamlessly. If you want to maintain the convenience of keyless entry without the hassle of frequent battery replacements, this is the perfect choice.
Pros:
- Includes two OEM replacement batteries for extended use
- Compatible with a wide range of BMW models and series
- Reliable and long-lasting battery life
- Easy to install without professional assistance
- Manufactured by trusted brand BBXSA ensuring quality
Cons:
- Only compatible with BMW key fobs requiring CR450 battery type
- Limited to specific BMW models as listed
The Key Fob Battery for BMW CR450 provides a high-quality power source designed specifically for BMW remote keys. Its OEM-level standards ensure that your key fob maintains optimal performance, offering consistent and reliable operation for locking, unlocking, and remote start features. The battery’s compatibility with numerous BMW series makes it a versatile and essential accessory for many BMW owners.
Easy installation is a major benefit of this product, allowing users to replace their old or depleted batteries quickly without the need for professional help or special tools. With two batteries included in the pack, users get excellent value and peace of mind knowing they have a backup available. Overall, this battery replacement supports smooth and uninterrupted use of your BMW’s keyless entry system, enhancing convenience and maintaining vehicle security.
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Uplus Bci Group 49 Car Battery

The UPLUS BCI Group 49 Car Battery is ideal for vehicle owners who require a reliable, maintenance-free power source with high performance. If you drive a mid to large-sized car, truck, or SUV and need a battery that offers long-lasting power and durability, this AGM-L95-UP 12V 95Ah premium AGM battery is an excellent choice.
Pros:
- Maintenance-free design for hassle-free use
- High 900 Cold Cranking Amps (CCA) ensures reliable starts in cold weather
- Durable Absorbent Glass Mat (AGM) technology for enhanced performance and safety
- Long 160 Reserve Capacity (RC) supports extended power needs
- Compact dimensions with a manageable weight of 60 pounds
Cons:
- Relatively heavier than conventional batteries due to AGM construction
- May have a higher upfront cost compared to standard lead-acid batteries
The UPLUS BCI Group 49 Car Battery features advanced AGM technology, which improves charge efficiency and extends battery life. Its maintenance-free design means users do not have to worry about topping up fluids, making it highly convenient for busy drivers. The battery’s high 900 CCA rating ensures dependable engine starts even in cold climates, providing peace of mind during harsh weather conditions.
Additionally, the battery’s robust construction and a sizeable 95Ah capacity deliver consistent power for modern vehicles with high electrical demands. The compact size and precise dimensions allow for easy installation in a variety of vehicles, while the 160 reserve capacity supports accessories and electronics when the engine is off. Overall, this battery combines performance, durability, and convenience, making it a premium option for demanding automotive needs.
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Frequently Asked Questions
What Is The Best Battery Size For Bmw 328i?
The ideal battery size for BMW 328i is Group 49 or 94R. These sizes fit perfectly and provide optimal performance. Models like Weize Platinum AGM and ACDelco Gold offer reliable Group 49 or 94R batteries for this car.
How Many Cold Cranking Amps (cca) Are Needed?
BMW 328i batteries typically require 850 to 900 CCA. Higher CCA ensures strong engine starts in cold weather. Batteries like Weize Platinum AGM provide up to 900 CCA, suitable for reliable starting power.
Are Agm Batteries Better For Bmw 328i?
Yes, AGM batteries are preferred for BMW 328i due to durability and maintenance-free design. They handle vibrations well and support modern car electronics. Options like Weize Platinum and ACDelco Gold use AGM technology for enhanced performance.
What Is The Average Lifespan Of These Batteries?
AGM batteries for BMW 328i usually last around 36 months. Proper care can extend this lifespan. Most options reviewed come with a 36-month warranty, ensuring reliable use and replacement if needed.
Can I Use A Key Fob Battery For Bmw 328i?
Key fob batteries like CR450 are essential for BMW 328i remote functions. They are separate from the car’s main battery. Keep spare key fob batteries handy for uninterrupted remote access.
How Do Reserve Capacity And Amp Hours Affect Battery Choice?
Reserve capacity (RC) and amp hours (Ah) indicate battery endurance. Higher RC and Ah mean longer power supply during engine off periods. Batteries like Weize Platinum offer 140-160 RC and 80-95 Ah, ideal for BMW 328i requirements.
Conclusion
Choosing the right battery for your BMW 328i is important for reliable performance. The Weize Platinum AGM batteries offer strong power and long-lasting use with 900 and 850 CCA options. ACDelco Gold also provides a solid choice with a 36-month warranty and dependable AGM technology.
Mighty Max and UPLUS batteries deliver maintenance-free operation with good cold cranking amps and reserve capacity. Each option fits well with the BMW 328i’s electrical needs, ensuring smooth starts in all weather. Don’t forget to consider the size and warranty when making your decision.
A quality battery keeps your car running smoothly and prevents unexpected breakdowns. Pick a battery that matches your driving habits and climate for the best results. With the right battery, your BMW 328i will start quickly and perform at its best every day.







