Change Car Battery BMW 3-Series

Change Car Battery

Very easy 0h30–0h45 ~50–75€
Temps estimé 0h30–0h45
Coût estimé ~50–75€
Difficulté Very easy
Motorisations
3-Series 1982-1995 6
  • 316 Gas (M10B18)
  • 318i Gas (M10B18)
  • 318is Gas (M42B18)
  • 325e Gas (M20B27)
  • 325i, -ix Gas (M20B25)
  • M3 Gas (S14B23)
3-Series 1990-2000 5
  • 318is Gas (M42B18)
  • 318is, -LPG LPG,Gas (M44B19)
  • 323i Gas (M52B25)
  • 325i Gas (M50B25)
  • 328i, -LPG LPG,Gas (M52B28)
3-Series 1998-2007 4
  • 323i, -Ci, -LPG LPG,Gas (M52B25TU)
  • 325i, -xi, -ti, -Ci, -LPG LPG,Gas (M54B25)
  • 328i, -Ci, -LPG LPG,Gas (M52B28TU)
  • 330i, -xi, -Ci, -LPG LPG,Gas (M54B30)
3-Series 2005-2013 9
  • 325i, -Xi Gas (N53B30A)
  • 325i, -Xi, -LPG LPG,Gas (N52B25A)
  • 328i, -Xi Gas (N51B30A)
  • 328i, -Xi Gas (N52B30A)
  • 330i, -Xi Gas (N52B30A)
  • 335d Diesel (M57D30T2)
  • 335i, -Xi Gas (N54B30A)
  • 335i, -Xi Gas (N55B30A)
  • 335is Gas (N54B30A)
3-Series 2011-2020 5
  • 320i, -xDrive, -LPG LPG,Gas (N20B20B)
  • 320i, Flex Ethanol (E100),Gas (N20B20A)
  • 328i Gas (N26B20A)
  • 328i, -xDrive Gas (N20B20A)
  • 335i, -xDrive Gas (N55B30A)
Renew the battery ( - 08/1994) 0h45
Renew the battery (09/1993 - ) 0h45

What is the role of the battery in a BMW 3-Series?

The battery is primarily used to start the engine and to power electrical equipment when the engine is off. When the engine is running, the alternator provides the energy needed by the various electrical systems. During this operating phase, the battery stores electrical energy in chemical form. This energy is released as electrical current when the engine is switched off again.

What are the different types of BMW 3-Series battery?

There are three main types of lead/acid battery:

  • Open battery: Designed for older vehicles with reduced electrical/electronic equipment and without Stop and Start. Requires regular electrolyte level checks.
  • EFB battery (Enhanced Flooded Battery): An improved open battery with reduced water loss. Suitable for simple Stop and Start systems. Maintenance-free.
  • AGM battery (Absorbent Glass Mat): Sealed battery with excellent charge/discharge and vibration resistance. Suitable for Stop and Start with regenerative braking. Maintenance-free.

When should you change your BMW 3-Series battery?

The battery is a wear part that should be changed at the first signs of weakness (difficulty starting). The vehicle maintenance plan rarely specifies periodic replacement. Battery life depends on usage conditions, battery type, and vehicle condition. Average life is about 5 years.

How to choose your BMW 3-Series battery?

For replacement, obtain a battery with the same specifications as the old one: voltage (12V), dimensions, battery type (AGM), storage capacity in Ah, starting current in A, terminal positions. You can fit a battery with slightly higher capacity and starting current. AGM vehicles must use AGM replacements.

How to change your BMW 3-Series battery without data loss?

To avoid resetting systems and losing vehicle data (radio, clock, settings), use an electronic memory saver (maintains 12V in the electrical circuit while replacing the battery). Connect it to battery cables, accessory socket, or diagnostic socket before disconnecting. Available from €10; prefer a version protected against reversed connections and short circuits.

Is it difficult to change the BMW 3-Series battery?

Battery replacement presents no particular difficulty unless elements obstruct access (fuse board, engine management ECU). Difficulty level 1/5: technically very easy. The step-by-step method covers: switch off ignition and all consumers, connect memory saver, remove obstructions, disconnect terminals (negative first), remove battery, clean tray and terminals, fit new battery, reconnect (positive first), check systems and reset as needed.

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6 générations couvertes

Génération Période Motorisations Carburant
3-Series 1975-1983 1975-1983 320 Gas (M10B20), 320i Gas (M10B18F) Gas
3-Series 1982-1995 1982-1995 316 Gas (M10B18), 318i Gas (M10B18), 318is Gas (M42B18), 325e Gas (M20B27), 325i, -ix Gas (M20B25), M3 Gas (S14B23) Gas
3-Series 1990-2000 1990-2000 318is Gas (M42B18), 318is, -LPG LPG,Gas (M44B19), 323i Gas (M52B25), 325i Gas (M50B25), 328i, -LPG LPG,Gas (M52B28) Gas, LPG
3-Series 1998-2007 1998-2007 323i, -Ci, -LPG LPG,Gas (M52B25TU), 325i Gas (M56B25), 325i, -xi, -ti, -Ci, -LPG LPG,Gas (M54B25), 328i, -Ci, -LPG LPG,Gas (M52B28TU), 330i, -xi, -Ci, -LPG LPG,Gas (M54B30) Gas, LPG
3-Series 2005-2013 2005-2013 325i, -Xi Gas (N53B30A), 325i, -Xi, -LPG LPG,Gas (N52B25A), 328i, -Xi Gas (N51B30A), 328i, -Xi Gas (N52B30A), 330i, -Xi Gas (N52B30A), 335d Diesel (M57D30T2), 335d Diesel (M57D30T2), 335i, -Xi Gas (N54B30A), 335i, -Xi Gas (N55B30A), 335is Gas (N54B30A) Diesel, Gas, LPG
3-Series 2011-2020 2011-2020 320i, -xDrive, -LPG LPG,Gas (N20B20B), 320i, Flex Ethanol (E100),Gas (N20B20A), 328d Diesel (N47D20C), 328i Gas (N26B20A), 328i, -xDrive Gas (N20B20A), 335i, -xDrive Gas (N55B30A) Diesel, Ethanol (E100), Gas, LPG

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