What are the key considerations for disconnecting and maintaining the batteries on the BMW M3?

It is important to note that when the battery of a vehicle is disconnected, the radio code, on-board computer settings and clock settings are lost. It is therefore advisable to obtain the radio code in advance. After reconnecting it, you will not be able to get sound through the radio until you input the correct code. One should avoid tools bridging battery terminals because this may cause short circuits, sparks and even personal injuries. Due to explosive gases emitted by batteries for example no smoking, open flames or sparks within close proximity to a battery are allowed hence strictly discouraged. Properly securing it with hold-down devices can prevent cracking, acid leakage and accelerated discharge. It should also be regularly visually examined for cracks, leakages and corrosion on its case if any since this might lead to a bad one that has to be rectified immediately. Electrolyte levels in unsealed batteries need periodic checkups either by inspection through case or removing cell caps as well as topped up with distilled water in some cases. The battery cables and terminals must remain free from corrosion while the top of the battery must always be kept clean to prevent discharge. This helps maintain charge in vehicles which are not frequently operated and for those having additional accessories like radios; they may require negative battery cable disconnection during storage periods. In order not reduce its lifespan unnecessarily do not discharge recharge your battery without necessity doing so will shorten it's life considerably . Distilled water should refill each cell up to level indicated by split ring (each) or outside of case (a line). Battery terminals should be cleaned annually so that wires brush plus dielectric grease can be used instead of cleaning off rusts right away after disconnecting negative cable opening positive clamp first Will replacing damaged cables required testing their condition because damaged cables, Men of great importance in changing exposed cells include activities such as ventilation, evacuation before cleaning necessary supplies including protective clothing that includes goggles gloves apron For instance, the E30 series has its battery in the right side engine compartment, while the E36 series has it in the luggage compartment and Z3 models have it centrally placed. When replacing a battery, it is necessary to choose one having enough cold cranking amps equal or even greater than that of the original battery by considering the wire aging as well as increased electrical resistance of older vehicles. In this case, you should open your car trunk, unplug negative and positive cables from it, take away both batteries with their brackets along with radio recoding and reinitialization of windows if they are electrically operated and possess finger jams.

Genuine BMW M3 Batteries

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24 Batteries found

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BMW M3 BATTERY
Part Number: 84106833994
$75.75 MSRP: $101.98
You Save: $26.23 (26%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Accumulator
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2021-2025 BMW M3 | 6 Cyl 3.0 L GAS
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BMW M3 Battery
Part Number: 84102447710
$88.86 MSRP: $119.63
You Save: $30.77 (26%)
Product Specifications
- Other Name: Accumulator
- Replaces: 84-10-9-361-678
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2021-2022 BMW M3 | 6 Cyl 3.0 L GAS
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BMW M3 Lithium-Ion Starter Battery
Part Number: 61218047221
$1444.21 MSRP: $1777.77
You Save: $333.56 (19%)
Product Specifications
- Replaces: 61-21-9-333-404, 61-21-7-854-563, 61-21-7-857-133
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2015-2018 BMW M3 | Sedan(F80)
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BMW M3 Ep Battery 70Ah
Part Number: 61212353806
$108.08 MSRP: $145.00
You Save: $36.92 (26%)
Product Specifications
- Replaced by: 61212353817
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2008-2011 BMW M3 | Sedan(E90)
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BMW M3 Ep Battery 80Ah
Part Number: 61212353808
$151.99 MSRP: $195.00
You Save: $43.01 (23%)
Product Specifications
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2008-2013 BMW M3 | Coupe(E92), Sedan(E90)
- 2001-2006 BMW M3 | Convertible(E46), Coupe(E46)
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BMW M3 LITHIUM-ION STARTER BATTERY
Part Number: 61217908325
$1444.21 MSRP: $1777.77
You Save: $333.56 (19%)
Product Specifications
- Other Name: Battery
- Replaces: 61-21-8-092-860
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2021-2025 BMW M3 | 6 Cyl 3.0 L GAS
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BMW M3 Battery, Manuf.: Exide (Warranty Only)
Part Number: 61217553952
$146.66 MSRP: $166.00
You Save: $19.34 (12%)
Product Specifications
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2001-2006 BMW M3 | Convertible(E46), Coupe(E46)
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BMW M3 Battery, Manuf.: Exide (Warranty Only)
Part Number: 61217567182
$110.90 MSRP: $123.42
You Save: $12.52 (11%)
Product Specifications
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 1995-1999 BMW M3 | Coupe(E36), Sedan(E36)
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BMW M3 Battery, Manuf.: Exide (Warranty Only)
Part Number: 61217567181
$100.82 MSRP: $112.21
You Save: $11.39 (11%)
Product Specifications
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 1988-1991 BMW M3 | Coupe(E30)
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BMW M3 Battery, Manuf.: Douglas (Warranty Only)
Part Number: 61218381720
$98.54 MSRP: $117.50
You Save: $18.96 (17%)
Product Specifications
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 1995-1999 BMW M3 | Coupe(E36), Sedan(E36)
View related parts
BMW M3 Lithium-Ion Starter Battery
Part Number: 61217857133
Product Specifications
- Replaced by: 61218047221
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2015-2018 BMW M3 | Sedan(F80)
View related parts
BMW M3 Lithium-Ion Starter Battery
Part Number: 61217854563
Product Specifications
- Replaced by: 61218047221
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2015-2018 BMW M3 | Sedan(F80)
View related parts
BMW M3 Ep Battery 92Ah
Part Number: 61212353812
$229.22 MSRP: $313.32
You Save: $84.10 (27%)
Product Specifications
- Replaced by: 61215A40E29
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2008-2013 BMW M3 | Convertible(E93), Coupe(E92), Sedan(E90)
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BMW M3 Battery, Manuf.: Douglas (Warranty Only)
Part Number: 61218381738
$103.15 MSRP: $123.00
You Save: $19.85 (17%)
Product Specifications
- Other Name: Battery
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2008-2013 BMW M3 | Coupe(E92), Sedan(E90)
- 2001-2006 BMW M3 | Convertible(E46), Coupe(E46)
View related parts
BMW M3 Battery, Manuf.: Douglas (Warranty Only)
Part Number: 61218353651
Product Specifications
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 1995-1999 BMW M3 | Coupe(E36), Sedan(E36)
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BMW M3 Battery, Manuf.: Douglas (Warranty Only)
Part Number: 61218381749
$114.05 MSRP: $136.00
You Save: $21.95 (17%)
Product Specifications
- Other Name: Battery
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2008-2013 BMW M3 | Coupe(E92), Sedan(E90)
- 2001-2006 BMW M3 | Convertible(E46), Coupe(E46)
View related parts
BMW M3 Battery, Manuf.: Douglas (Warranty Only)
Part Number: 61218381762
$119.15 MSRP: $144.50
You Save: $25.35 (18%)
Product Specifications
- Other Name: Battery
- Replaces: 61-21-8-361-827
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2008-2013 BMW M3 | Coupe(E92), Sedan(E90)
View related parts
BMW M3 Battery, Manuf.: Douglas (Warranty Only)
Part Number: 61218381722
Product Specifications
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 1999 BMW M3 | Convertible(E36)
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BMW M3 Battery, Manuf.: Douglas (Warranty Only)
Part Number: 61218361050
Product Specifications
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 1999 BMW M3 | Convertible(E36)
View related parts
BMW M3 Battery, Manuf.: Exide (Warranty Only)
Part Number: 61217567183
Product Specifications
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 1999 BMW M3 | Convertible(E36)

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1-20 of 24 Results

BMW M3 Batteries

BMW M3 Batteries provide the sudden burst of power that is needed to start the engine, drive ignition and injection systems, as well as lights, audio and memory when the car sits. Early models of BMW applied flooded lead-acid Batteries with six liquid-filled cells requiring the occasional water top-up, but later models M3 adopted maintenance-free flooded Batteries and finally absorbed glass mat Batteries, where the acid is locked in fiberglass mats for spill resistance, stronger cold cranking amps, and better resistance to vibration. Across the lineup, BMW continues to mount M3 Batteries close to the rear axle to help distribution of weight. Both chemistries are 12-volt SLI units intended for starting, lighting, and ignition, but AGM offers faster recharge and better reserve useful when components are drawing current with the key off or the vehicle is stored. Each pack also serves as a voltage buffer, and spike protection for sensitive electronics that could be damaged by such spike events. Selecting the right BCI group size, terminal style, and ratings such as CCA and reserve capacity ensures that every BMW M3 cranks reliably during frigid weather, and its systems are powered up.

If you are looking for OEM BMW M3 Batteries, we highly recommend to shop with us. Not only do we offer budget friendly prices, but we also provide fast delivery. In addition, we have a hassle-free return policy on all genuine BMW M3 Batteries that come backed by the manufacturer's warranty.

BMW M3 Batteries Parts Questions & Experts Answers

Battery, Manuf.: Douglas (Warranty Only)
61218381720
Q:
What are the key considerations for disconnecting and maintaining the batteries on the BMW M3?
Posted by Agust L.
A:
It is important to note that when the battery of a vehicle is disconnected, the radio code, on-board computer settings and clock settings are lost. It is therefore advisable to obtain the radio code in advance. After reconnecting it, you will not be able to get sound through the radio until you input the correct code. One should avoid tools bridging battery terminals because this may cause short circuits, sparks and even personal injuries. Due to explosive gases emitted by batteries for example no smoking, open flames or sparks within close proximity to a battery are allowed hence strictly discouraged. Properly securing it with hold-down devices can prevent cracking, acid leakage and accelerated discharge. It should also be regularly visually examined for cracks, leakages and corrosion on its case if any since this might lead to a bad one that has to be rectified immediately. Electrolyte levels in unsealed batteries need periodic checkups either by inspection through case or removing cell caps as well as topped up with distilled water in some cases. The battery cables and terminals must remain free from corrosion while the top of the battery must always be kept clean to prevent discharge. This helps maintain charge in vehicles which are not frequently operated and for those having additional accessories like radios; they may require negative battery cable disconnection during storage periods. In order not reduce its lifespan unnecessarily do not discharge recharge your battery without necessity doing so will shorten it's life considerably . Distilled water should refill each cell up to level indicated by split ring (each) or outside of case (a line). Battery terminals should be cleaned annually so that wires brush plus dielectric grease can be used instead of cleaning off rusts right away after disconnecting negative cable opening positive clamp first Will replacing damaged cables required testing their condition because damaged cables, Men of great importance in changing exposed cells include activities such as ventilation, evacuation before cleaning necessary supplies including protective clothing that includes goggles gloves apron For instance, the E30 series has its battery in the right side engine compartment, while the E36 series has it in the luggage compartment and Z3 models have it centrally placed. When replacing a battery, it is necessary to choose one having enough cold cranking amps equal or even greater than that of the original battery by considering the wire aging as well as increased electrical resistance of older vehicles. In this case, you should open your car trunk, unplug negative and positive cables from it, take away both batteries with their brackets along with radio recoding and reinitialization of windows if they are electrically operated and possess finger jams.
Answered by BMW Parts Specialist Chaz / Nov 13, 2023