2003 BMW 325i Batteries

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.

Battery Engine Warranty Cold Cranking Amps
MTP-48/H6 L6/2.5L Replacement 30 months Performance 72 months 760
MTX-94R/H7 L6/2.5L Replacement 36 months Performance 36 months 850
MTZ-48/H6 L6/2.5L Replacement 48 months Performance 48 months 730
BATTERIES

L6/2.5L

- Battery: MTP-48/H6

- Warranty: Replacement 30 months, Performance 72 months

- Cold Cranking Amps: 760

L6/2.5L

- Battery: MTX-94R/H7

- Warranty: Replacement 36 months, Performance 36 months

- Cold Cranking Amps: 850

L6/2.5L

- Battery: MTZ-48/H6

- Warranty: Replacement 48 months, Performance 48 months

- Cold Cranking Amps: 730

Buying a Replacement Battery for BMW 325i

Your 325i doesn't have an expiration date, but its battery does. Generally, car batteries last from three to five years. Don’t get stranded by your 325i’s car battery. Replace it regularly instead! Pay attention to clues that your battery is on its way out. A lagging starter, a blinking battery or check engine light, swollen battery case, corroded battery posts, and subpar electrical performance can all be signs that your battery is waving goodbye.

You can also get a Free Battery Test at your local Firestone Complete Auto Care. With best-in-class tools we can tell you how much "life" is left in your battery. Visit us for a complimentary battery check and, if necessary, a battery replacement to help keep your 2003 BMW 325i running! Car batteries are one of our many specialties! Our technicians are well-acquainted with BMW’s service specs for 325i battery CCAs and reserve capacity. Get help identifying the type and size of battery that's best for your 325i, and schedule a fast car battery replacement at your earliest convenience.

Why Choose an Interstate Battery for Your 325i?

Your BMW 325i deserves the best, which is why we carry just that. We install more than 700,000 car batteries a year using outrageously dependable Interstate Batteries. Interstate has been a leader in car battery reliability, performance, and technology. That's why you'll find Interstate Batteries in the engines of many a BMW 325i. Their tried and true products are commonly used in boom lifts, severe duty trucks, utility vehicles, and boats! You need a car battery that's just as dependable as your 2003 BMW 325i. And Interstate Batteries are Outrageously Dependable®.

Caring for a New BMW 325i Battery

Did you recently have a new 2003 BMW 325i car battery installed? Good thinking! Give your new car battery the best start with proper care. Help extend your car battery’s life by cutting back on unnecessary short trips, keeping the battery posts corrosion-free, and not playing the radio or using other electronics when the engine is turned off.

Commonly Asked 325i Battery Questions

Firestone Complete Auto Care has answers to your top car battery questions. If you have battery questions that are BMW 325i-specific, visit your nearest store. Our expert techs have the answers you need.

  • Why won’t my 325i battery hold a charge? A battery is in its final hour when it will no longer hold a charge. It may be getting old. Or, you may have a habit of leaving your car doors open and the cabin light at night. Stop by for a complimentary battery check at your nearest Firestone Complete Auto Care to learn more about the state of your battery.
  • What do you do with my old 325i battery? We recycle it! Nearly 100% of all lead-acid batteries are recyclable.
  • What’s the cost of BMW 325i batteries? BMW 325i batteries can be affordable, especially when there's an available battery coupon. And, all Interstate Batteries have a limited-time free replacement and performance warranty.

BMW 325i Batteries Near You

Don’t let a dead battery stop you. Shop replacement car batteries for your 2003 BMW 325i at Firestone Complete Auto Care.