10 Best Battery For BMW 328i Reviews

Is your BMW 328i struggling to start on cold mornings? Maybe you’ve noticed the dashboard lights dimming or the infotainment system acting sluggish. A failing battery can turn your daily drive into a frustrating guessing game, leaving you stranded when you least expect it. You rely on your 328i for everything from commuting to weekend road trips, and a dead battery doesn’t care about your schedule.

In this guide, we’ll walk you through the best battery options for your BMW 328i, covering everything from high-performance AGM batteries to essential accessories like key fob batteries and replacement cables. Whether you need a heavy-duty start-stop battery or a simple fix for your remote, you’ll find clear, practical advice to make the right choice. Let’s get your 328i back to its reliable best.

WEIZE Platinum AGM Battery Group 49 – Premium Cold-Weather Power

If you drive your BMW 328i in areas with harsh winters, the WEIZE Platinum AGM Battery Group 49 is a standout choice. With a massive 900 CCA (cold cranking amps), this battery delivers the instant, reliable starting power you need when temperatures drop well below freezing. It’s designed to resist internal corrosion from heat too, making it a year-round performer that won’t let you down.

The 95Ah capacity means consistent power delivery over time, and the 160-minute reserve capacity supports longer run times for accessories like heated seats or your audio system. Plus, the AGM design is spill-proof and offers up to twice the cycle life of conventional batteries. You’ll appreciate the 36-month warranty and the low self-discharge rate of less than 8% after 90 days of storage. Just double-check the dimensions (13.9″ x 6.89″ x 7.48″) and terminal positions to ensure a perfect fit in your 328i.

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• ✅Batter dimensions: 13.9" L x 6.89" W x 7.48" H, Terminal: Tapered terminal (Left negative (-), Right positive (+)). ✅Please ensure to verify the dimensions and terminal position before making a purchase to guarantee compatibility with your vehicle to avoid any fitment issues.
• 160RC rating： Provides reliable performance and long service life, Up to 2 times the cycle life of conventional batteries. Nominal Voltage: 12V, Capacity: 95 Ah, CCA: 900A, Self Discharge: <8% after 90 days storage, Operating Temperature Range: -22°F~158°F, Acceptable Charging Current: 0～ 28A, Charging Voltage: 14.4～15.0 V,
• 95AH capacity: Delivers consistent power over time, Cycles more, and recharges faster than conventional batteries.
• 900CCA: Ensures quick and reliable starting power.Delivers superior starting power in cold weather, and resists internal corrosion from heat.
• Advanced technology: Specially designed for vehicles with start-stop technology and accessories that demand greater power, Whether you drive a car, truck, or SUV, this 160RC 95AH 900CCA automotive start-stop battery is the perfect choice for reliability.
• Low maintenance and easy to install： Leak-proof and certified non-spillable design for safer maintenance-free power, Constructed for greater vibration resistance and enhanced durability.
• We aim for quality followed up with quality customer service. Size, cold cranking amps,terminal location,and battery type are key pieces to getting the right unit. please measure your old battery and compare the dimensions with this battery,if the measurements are the same,positive and negative poles are consistent,CCA is no big difference,and it will fit your vehicle.
• ✅ AGM automotive starter batteries are designed for Stop/Start applications that have higher electrical accessory loads or performance vehicles that require a higher CCA starting battery with improved cyclic abilityand are not suitable for deep-cycle use in solar projects or marine applications.

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Mighty Max Battery MM-H8 – Reliable Start-Stop Performance

The Mighty Max Battery MM-H8 is an excellent AGM option for your BMW 328i, especially if you have a start-stop system. With 12V, 95Ah, and 900 CCA, it provides strong, steady starts in any weather. The 160-minute reserve capacity ensures you have plenty of power for longer drives or when you’re stuck in traffic with accessories running.

Its sealed, spill-proof AGM design means no maintenance and no acid leaks, plus it offers deep discharge recovery to keep power steady when it counts. The rugged construction resists shock and vibration, making it a durable choice for rough roads. While it’s a solid all-around performer, you’ll want to verify the group size (H8) fits your specific 328i model year.

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• Fast Starting Power: This 12V 95Ah 900 CCA delivers strong, steady starts is ready for any weather in any season.
• Made to Last: With its 160-minute Reserve Capacity supports longer run times and a longer overall battery lifespan.
• All Power, No Mess AGM Design: Sealed and spill-proof, the MM-H8 is built with high discharge output and deep discharge recovery to keep power steady when it counts.
• Strength That Starts on the Inside: The rugged construction resists shock, vibration, and harsh conditions, delivering reliable performance across a wide range of temperatures and tough environments.
• Tested Tough & Certified Safe: Mighty Max batteries are built in an ISO-certified facility and meet CE standards for quality, safety, and reliability
• Rechargeable and Versatile: Mounts in multiple positions (excluding upside down) for flexible vehicle installation.
• Dimensions: Sized at 13.90 x 6.88 x 7.48 inches, ready to fit your ride with ease. Polarity is easy to spot, with the positive terminal on the right and the negative on the left.
• Included: Each battery includes mounting screws for quick, hassle-free installation.
• Not Included: Wire harness and mounting accessories are not included.
• 3 Year Warranty: Mighty Max strength, long-haul protection, and confidence that you’re powered to the max.

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Mighty Max Battery MM-H6 – Compact AGM for Older 328i Models

For BMW 328i models that require a Group 48 (H6) battery, the Mighty Max Battery MM-H6 is a reliable and compact solution. It offers 12V, 70Ah, and 760 CCA, which is sufficient for most driving conditions, though not as powerful as larger batteries. The 120-minute reserve capacity supports moderate accessory use without draining the battery.

Like its larger sibling, it features a sealed AGM design that’s spill-proof and vibration-resistant. It’s especially well-suited for vehicles with start-stop technology or those that sit unused for days. However, if you live in an extremely cold region, the 760 CCA might be borderline for the harshest winters. Always measure your old battery to confirm compatibility with the 10.98″ x 6.81″ x 7.51″ dimensions.

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• Fast Starting Power: This 12V 70Ah 760 CCA delivers strong, steady starts is ready for any weather in any season.
• Made to Last: With its 120-minute Reserve Capacity supports longer run times and a longer overall battery lifespan.
• All Power, No Mess AGM Design: Sealed and spill-proof, the MM-H6 is built with high discharge output and deep discharge recovery to keep power steady when it counts.
• Strength That Starts on the Inside: The rugged construction resists shock, vibration, and harsh conditions, delivering reliable performance across a wide range of temperatures and tough environments.
• Tested Tough & Certified Safe: Mighty Max batteries are built in an ISO-certified facility and meet CE standards for quality, safety, and reliability
• Rechargeable and Versatile: Mounts in multiple positions (excluding upside down) for flexible vehicle installation.
• Dimensions: Sized at 10.94 x 6.88 x 7.48 inches, ready to fit your ride with ease. Polarity is easy to spot, with the positive terminal on the right and the negative on the left.
• Included: Each battery includes mounting screws for quick, hassle-free installation.
• Not Included: Wire harness and mounting accessories are not included.
• 3 Year Warranty: Mighty Max strength, long-haul protection, and confidence that you’re powered to the max.

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WEIZE Platinum AGM Battery Group 94R – Balanced Power and Fit

The WEIZE Platinum AGM Battery Group 94R hits a sweet spot for many BMW 328i owners. With 850 CCA and 80Ah capacity, it provides strong starting power without the bulk of larger batteries. The 140-minute reserve capacity ensures you have enough juice for longer trips or when using electrical accessories.

This battery is designed for vehicles with start-stop systems and offers up to twice the cycle life of conventional batteries. The AGM construction is spill-proof and resists vibration, while the low self-discharge rate makes it ideal for cars that aren’t driven daily. At 12.4″ x 6.89″ x 7.48″, it’s a common fit for many BMW models, but you should still verify dimensions and terminal positions. The 36-month warranty adds peace of mind.

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• ✅Batter dimensions: 12.4" L x 6.89" W x 7.48" H, Terminal: Tapered terminal (Left negative (-), Right positive (+)). ✅Please ensure to verify the dimensions and terminal position before making a purchase to guarantee compatibility with your vehicle to avoid any fitment issues.
• 140RC rating： Provides reliable performance and long service life, Up to 2 times the cycle life of conventional batteries. Nominal Voltage: 12V, Capacity: 80 Ah, CCA: 850A, Self Discharge: <8% after 90 days storage, Operating Temperature Range: -22°F~158°F, Acceptable Charging Current: 0～24 A, Charging Voltage: 14.4~15.0 V, Terminal:
• 80AH capacity: Delivers consistent power over time, Cycles more, and recharges faster than conventional batteries.
• 850 CCA: Ensures quick and reliable starting power.Delivers superior starting power in cold weather, and resists internal corrosion from heat.
• Advanced technology: Specially designed for vehicles with start-stop technology and accessories that demand greater power, Whether you drive a car, truck, or SUV, this 140RC 80AH 850CCA automotive start-stop battery is the perfect choice for reliability.
• Low maintenance and easy to install： Leak-proof and certified non-spillable design for safer maintenance-free power, Constructed for greater vibration resistance and enhanced durability.
• We aim for quality followed up with quality customer service. Size, cold cranking amps,terminal location,and battery type are key pieces to getting the right unit. please measure your old battery and compare the dimensions with this battery,if the measurements are the same,positive and negative poles are consistent,CCA is no big difference,and it will fit your vehicle.
• ✅ AGM automotive starter batteries are designed for Stop/Start applications that have higher electrical accessory loads or performance vehicles that require a higher CCA starting battery with improved cyclic abilityand are not suitable for deep-cycle use in solar projects or marine applications.

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uuam CR2450 Key Fob Battery Pack – Quick Remote Fix

Sometimes the battery issue isn’t under the hood—it’s in your key fob. The uuam CR2450 Key Fob Replacement Batteries pack comes with two batteries and a handy pry tool, making it easy to replace the battery in your BMW 328i’s remote. It’s compatible with 2009-2018 models (2, 3, 5, 6, 7 Series, X3, X4, and more), so it covers most 328i generations.

These are the same OEM-grade CR2450 batteries used in original key fobs, so you get reliable performance. The included pry tool helps you open the remote without damaging the case, and you don’t need to reprogram the remote after replacement. It’s a simple DIY fix that saves you a trip to the dealership. Just check the product images to confirm compatibility with your specific fob design.

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• Pack Including: Two (2) Pieces CR2450 Remote Fob Battery and Opening/Pry Tool, Please check Amazon details Confirmed Fit to ensure that this is the correct battery for your remote.(Please note: Only two CR2450 remote Fob batteries and opening/prying tools are included. Key fob shell not included)
• Important compatibility information: Compatible with 2009-2018 BMW 2,3,5,6,7 series, X3, X4 smart key remote control Fob. Not compatible with 2019 and later versions.(Please check the product images to confirm compatibility)
• It is Original OEM Battery as Provided by Manufacturer, CR2450 — Same batteries as provided by OEM original manufacturer in all (Smart Key) remote fobs. (PLEASE NOTE: Keyless entry remote fob not included)
• Easy to Install,Avoid a Service Appointment for Battery Replacement and remote reprogramming is not required. Opening/Pry Tool Included to Assist with Battery Change. to help open the remote and to remove the battery without causing damage to your remote case.Recommended before or after seeing the "Key battery needs replacing" message on the car dashboard.
• Includes step-by-step installation videos – contains detailed instructional videos (via the link on the product packaging) that demonstrate the battery replacement process.

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Mighty Max Battery MM-H7 – Versatile Group 94R Option

The Mighty Max Battery MM-H7 is another strong contender for BMW 328i owners needing a Group 94R (H7) battery. With 850 CCA and 80Ah capacity, it delivers robust starting power and a 140-minute reserve capacity for extended accessory use. It’s designed for start-stop systems and handles deep discharge recovery well.

The sealed AGM design is maintenance-free and resistant to shock and vibration, making it a durable choice for daily driving. It’s a direct competitor to the WEIZE Group 94R, offering similar specs at a competitive price. However, you’ll still need to check the physical dimensions (typically around 12.4″ x 6.89″ x 7.48″) and terminal orientation to ensure it fits your 328i without issues.

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• Fast Starting Power: This 12V 80Ah 850 CCA delivers strong, steady starts is ready for any weather in any season.
• Made to Last: With its 140-minute Reserve Capacity supports longer run times and a longer overall battery lifespan.
• All Power, No Mess AGM Design: Sealed and spill-proof, the MM-H7 is built with high discharge output and deep discharge recovery to keep power steady when it counts.
• Strength That Starts on the Inside: The rugged construction resists shock, vibration, and harsh conditions, delivering reliable performance across a wide range of temperatures and tough environments.
• Tested Tough & Certified Safe: Mighty Max batteries are built in an ISO-certified facility and meet CE standards for quality, safety, and reliability
• Rechargeable and Versatile: Mounts in multiple positions (excluding upside down) for flexible vehicle installation.
• Dimensions: Sized at 12.50 x 6.88 x 7.48 inches, ready to fit your ride with ease. Polarity is easy to spot, with the positive terminal on the right and the negative on the left.
• Included: Each battery includes mounting screws for quick, hassle-free installation.
• Not Included: Wire harness and mounting accessories are not included.
• 3 Year Warranty: Mighty Max strength, long-haul protection, and confidence that you’re powered to the max.

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UPLUS AGM Group 48 Battery – Extra Cycle Life for Start-Stop

The UPLUS BCI Group 48 AGM battery is designed for vehicles with start-stop systems and heavy electrical loads. With 760 CCA and 120-minute reserve capacity, it’s a solid choice for BMW 328i models that require a Group 48 (H6) battery. What sets it apart is its claim of 4 times extra cycle life compared to standard conventional batteries, thanks to high-density negative paste and enhanced alloy.

This battery is ideal if you often use DVD players, navigation, heated seats, or other accessories, or if your car sits unused for days. The calcium lead positive grid maximizes conductivity and lowers resistance. At 10.98″ x 6.81″ x 7.51″, it’s a compact fit, but verify the terminal layout (left negative, right positive) matches your 328i. The 760 CCA may be less than larger batteries, but it’s sufficient for most climates.

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• Battery dimensions — BCI Group size 48 (H6 L3), 10.98 x 6.81 x 7.51 inches, Terminal Layout: Left: – Right: +. Battery dimensions, cold cranking amps, terminal location and battery type are key factors in getting the right unit. Please measure your old battery and compare the size with this battery, if the measurements are the same, the positive and negative positions are the same, there is not much difference in CCA and it will fit your vehicle.
• 4 TIMES EXTRA CYCLING — High density negative paste and Enhanced life alloy or Silver Calcium stamped alloy.Uplus Start and Stop AGM battery has 4 times extra cycle life compared to standard conventional batteries.
• DESIGNED FOR VEHICLES WITH START-STOP — International standard size BCI Group 48 (H6/L3), easy to install.Ideal for vehicles with large electrical loads (DVD players, navigation systems, heated seats, power doors, etc.), vehicles used for frequent short trips or in stop-n-go traffic and vehicles that sit unused for days or weeks at a time.
• DEEP-CYCLE AND CRANKING POWER — Calcium lead positive grid, maximizes conductivity and allows for low resistance.Highest cold cranking amperes (760CCA) for engine starts, even reliable during cold winter temperatures.
• TOP-LEVEL SAFETY — 15 times more vibration-resistant.Vent cap design that resists acid leakage.Top-level safety features and absolutely no free acid.Original Spare Parts ensure the replacement battery has the same quality as the original one.
• LOCAL AFTER-SALES SUPPORT — 3-year warranty. UPLUS has a fixed office and warehouse in California and Georgia, responds within 12 hours.

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JDMSPEED Positive Battery Cable – Reliable Electrical Connection

If your BMW 328i’s battery is fine but you’re experiencing electrical issues, a corroded or damaged positive battery cable could be the culprit. The JDMSPEED Positive Terminal Battery Blow Off Cable is designed to replace the original cable on many BMW models, including the E90 328i (2006-2011), E92 328i (2007-2013), and others. It replaces part numbers 61129217031, 61126988974, and more.

This cable is built with high-quality rubber to protect the inner wire from corrosion and high temperatures. It provides a solid connection to your battery, ensuring stable power flow to your starter and electrical system. Installation is straightforward if you’re handy with basic tools, but you should disconnect the battery first. It’s a cost-effective fix compared to dealership repairs.

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• Package Included: 1x Positive Battery Cable; This Battery Cable is designed to provide a solid connection to your vehicle's battery. For quality assurance, our Battery Cables are tested for conformance to product standards
• Positive Battery Lead Replace Part Number: 61129217031, 61 12 9 217 031, 61136982227, 61126938495, 61126988974
• Fitment: Replacement For BMW E82 128i 135i 135is 2008-2013; Replacement For BMW E90 325i 325xi 328i 328xi 328i xDrive 330i 330xi 335d 335i 335xi 335i xDrive M3- Sedan 2006-2011; Replacement For BMW E91 325xi 328i 328xi 328i x Drive- Wagon 2006-2012; Replacement For BMW E92 328i 2007-2013
• Maximum Durability, Good Corrosion Resistance,High temperature resistance; High quality rubber is used to protect the inner wire body to extend the service time
• This Positive Battery Terminal Cable Lead Wire is manufactured by the OE specification to provide a consistent appearance and direct-fit; Before ordering, please carefully check whether the product description is appropriate to avoid wrong purchase.To see if this item is compatible with your car, SEE THE PRODUCT DESCRIPTION SECTION / BELOW

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MOTOKU Positive Battery Cable – Durable OEM Replacement

Another option for replacing a failing positive battery cable is the MOTOKU Positive Terminal Battery Blow Off Cable. It’s compatible with a wide range of BMW models, including the 328i (2007-2013), 328i xDrive (2009-2013), and others. This cable is designed to be a durable, corrosion-resistant replacement that restores proper electrical flow.

Like the JDMSPEED option, it uses high-quality materials to withstand engine bay heat and road grime. It’s a direct fit for the specified models, but you should verify your car’s exact year and engine type. The cable helps eliminate intermittent starting issues or dimming lights caused by a bad connection. It’s a simple part that can make a big difference in your 328i’s reliability.

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• Compatible with BMW 128i(2008-2013), 135i(2008-2013), 135is(2013)
• Compatible with BMW 325i(2006), 325xi(2006), 328i(2007-2013), 328i xDrive(2009-2013), 328xi(2007-2008)
• Compatible with BMW 330i(2006), 330xi(2006), 335d(2009-2011), 335i(2007-2013), 335i xDrive(2009-2013)
• Compatible with BMW 335is(2011-2013), 335xi(2007-2008), M3(2008-2013), X1(2012-2015)

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WMJNH Intelligent Battery Sensor – Accurate Battery Monitoring

Modern BMWs like the 328i rely on an intelligent battery sensor (IBS) to monitor voltage, current, and temperature. If your battery is new but you’re still seeing warning lights or erratic behavior, the sensor may be faulty. The WMJNH Intelligent Battery Sensor replaces part numbers 010562911 and 601-006, and is compatible with many 2006-2013 BMW models, including the 328i, 335i, and M3.

This sensor is made of heavy-duty metal and ABS material, offering durability and resistance to corrosion and high temperatures. It provides real-time data to your car’s computer, helping maintain stable operation. It’s only compatible with two-pin connectors, so check your existing sensor’s connector type before purchasing. Replacing a faulty IBS can resolve battery drain issues and ensure your charging system works correctly.

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• Wide Compatibility: Fit for BMW 335i 328i 335is 2010-2013 335i 328i xDrive 2010-2013 M3(E92/E93) 2011-2013 335d 2010-2011, only compatible with two-pin connectors
• Replace Part Number: Intelligent battery negative terminal replace 010562911 601-006
• Stable and Durable: Made of heavy-duty metal and ABS material, with durability, corrosion resistance, and high temperature resistance, providing stable use under various driving conditions
• Stable Operation: Real time provision of basic parameters such as battery voltage, current, and temperature to keep the vehicle in a stable state during daily driving
• Easy to Install: Easy and fast to install, no special tools required. Can be easily and quickly completed

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Buyer’s Guide: What to Consider

Choosing the right battery for your BMW 328i involves more than just picking one off the shelf. You need to consider size, power, and compatibility with your car’s systems. Here are the key factors to keep in mind when shopping for a replacement battery or related accessories.

• Battery Group Size: Your BMW 328i requires a specific battery group size, such as H6 (Group 48), H7 (Group 94R), or H8 (Group 49). Always check your owner's manual or measure your old battery to ensure the new one fits physically and has the correct terminal orientation (left negative, right positive).
• Cold Cranking Amps (CCA): CCA measures a battery's ability to start your engine in cold weather. For the 328i, aim for at least 760 CCA, but 850-900 CCA is better for harsh winters. Higher CCA ensures reliable starts without straining the battery.
• Reserve Capacity (RC): Reserve capacity indicates how long the battery can run your car's electrical systems if the alternator fails. A higher RC (like 140-160 minutes) gives you more time to get to a shop or charge the battery.
• AGM vs. Conventional Battery: AGM (Absorbent Glass Mat) batteries are ideal for BMW 328i with start-stop systems. They are spill-proof, vibration-resistant, and offer longer cycle life. Conventional batteries are cheaper but may not handle frequent cycling as well.
• Start-Stop Compatibility: If your 328i has a start-stop system, you must use an AGM battery designed for this technology. These batteries can handle the repeated deep discharges and recharges that occur when the engine shuts off at stops.
• Warranty and Brand Reputation: Look for batteries with at least a 2-3 year warranty. Brands like WEIZE and Mighty Max offer solid warranties and are known for reliable performance. A good warranty protects your investment if the battery fails prematurely.
• Accessories: Cables and Sensors: Don't overlook battery cables and sensors. A corroded positive cable can cause starting issues, while a faulty intelligent battery sensor can trigger warning lights. Replacing these parts can restore your 328i's electrical health without replacing the battery.

Conclusion

Your BMW 328i deserves a battery that matches its engineering. Whether you need the cold-cranking power of the WEIZE Platinum AGM Group 49 for harsh winters, the compact fit of the Mighty Max MM-H6 for older models, or a simple key fob battery from uuam, there’s an option here for every situation. Don’t forget the supporting parts—like a new positive cable from JDMSPEED or a sensor from WMJNH—if your electrical system is acting up.

For most 328i owners, the WEIZE Platinum AGM Group 94R offers the best balance of power, fit, and warranty. But if you prioritize extreme cold performance, the Group 49 version is unbeatable. Whichever you choose, proper installation and regular checks will keep your BMW running smoothly for years to come.