2003 BMW 325i Battery Size Specification & Performance Insights

The 2003 BMW 325i remains a benchmark in premium compact luxury, and understanding its battery size is key to maintaining peak performance and reliability.

The 2003 BMW 325i was equipped with a 12-volt lead-acid battery, typically measuring 65 mm in height, 189 mm in width, and 194 mm in length—commonly a 67 Ah capacity battery in standard configurations. This robust power source supports the vehicle’s 3.2-liter inline-six engine and advanced electronics, ensuring consistent starts and stable electrical operation.

Standard in the 325i of that era was a standard AGM-inspired lead-acid battery designed for durability and reliable cranking power. Its 67 Ah rating delivers efficient energy for infotainment, climate control, and engine management systems, minimizing battery drain and reducing the risk of intermittent electrical failures.

To extend battery life, regular inspections for corrosion, secure mounting, and voltage checks are essential. Replacing the battery every 4–5 years helps prevent unexpected failures, preserving the vehicle’s reliability and resale value.

Knowing the 2003 BMW 325i battery size empowers owners to maintain peak performance and avoid costly downtime. For accurate replacements or upgrades, consult trusted service providers who specialize in classic BMW electrical systems.

Equip cars, trucks & SUVs with 2003 BMW 325i Battery from AutoZone. Get Yours Today! We have the best products at the right price. Shop for the best Batteries for your 2003 BMW 325i, and you can place your order online and pick up for free at your local O'Reilly Auto Parts.

Shop for BMW 325 Batteries in BMW 3 Series Batteries. Buy products such as EverStart Value Lead Acid Automotive Battery, Group Size H6 / LN3 / 48 12 Volt, 615 CCA at Walmart and save. BMW 325I Battery Size On this page, we'll cover all of the different battery sizes for the 11 years of data we have for the BMW 325I - from 1989 to the most recent model in 2006.

Overview The BMW 325I has 6 battery groups of H6, H7, H8, T7, T6 and T5. The table below covers the battery sizes for each group. The Right Battery Size for a 2003 BMW 325i Researching battery replacements for your BMW 325i? Use the following chart to find information on BMW 325i battery size and cold cranking amps.

Order Genuine BMW 325i Batteries online with affordable price today! BMW Parts Deal's large inventory of Batteries fit 1987. Buy a 2003 BMW 325i Battery at discount prices. Choose top quality brands AC Delco, Bosch, Deka, Exide, Fullriver, Motorcraft, Odyssey.

Get your vehicle running with durable 2003 BMW 325i Base L6 2.5L Gas Car and Truck Battery auto batteries from Batteries Plus. Buy car and truck batteries and get free installation at participating locations. The Interstate MTZ absorbed glass-mat AGM car battery with Pure Matrix™ power feeds power-hungry vehicles while serving up powerful engine starts.

With a 48-month free replacement warranty and longest-life performance, this car battery delivers lasting power for today's high-accessory vehicles and motorists who use plug-ins such as DVD players, phone chargers and GPS devices. 2003 BMW 325i Batteries Your hunt for a 2003 BMW 325i battery is almost complete! For the 2003 model year, BMW manufactured 3 different engines for your 325i. Please select the engine your vehicle has from the list below so we can find the correct battery for your automobile.