How to accurately measure the voltage of a battery on BMW Z4?

To measure the battery voltage accurately, the top charge must be removed. Achieving this involves switching on the higher lights for a period of ten seconds and then turning them off to allow the vehicle stay for about two minutes. Battery check begins by taking off the battery cover and unplugging both the negative and positive battery cables. The indicator eye at the top of the battery should be visually examined; it has to be black meaning that it should be charged if yellow or replaced in case of defects. Open circuit voltage is measured using a digital voltmeter, which should give about 12.6 volts for a fully charged battery. Charge your battery first if it is less than this value before you proceed with other steps. A load tester is next used to carry out a load test on your battery. Connect this device to your terminals, apply its load within fifteen seconds without letting your cells' voltage drop below 9.6 volts. When it is weak or defective, an indication will appear in a load tester's display window. During replacement of one's battery, check with dealer parts department or auto parts store that sells batteries so as to get accurate choice of battery required in such cases. Remove relevant trim panels and also loosen up the positive plus negative cables connected to my battery Remove relevant trim panels and also loosen up the positive plus negative cables connected to my batter Ensure that there is no corrosion beneath your cells after lifting them out carefully as they are heavy Avoid being careful when lifting out my cell due to its weight; look at underneath if corroded clean It should first connect new batteries and lastly attach negatives.

Genuine BMW Z4 Batteries

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16 Batteries found

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BMW Z4 BATTERY
Part Number: 84106833994
$74.76 MSRP: $100.65
You Save: $25.89 (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:
- 2019-2020 BMW Z4 | M40i(G29), sDrive30i(G29)
View related parts
BMW Z4 12-V-LITHIUM-DUALSPEICHERBAT
Part Number: 61215A4AF23
$953.09 MSRP: $1171.90
You Save: $218.81 (19%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Battery
- Replaced by: 61215B3F325
- Replaces: 61-21-5-A38-DE7, 61-21-5-A46-EA1
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2021-2024 BMW Z4 | 4 Cyl 2.0 L GAS, 6 Cyl 3.0 L GAS
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BMW Z4 Original Bmw Agm-Batterie 90Ah
Part Number: 61216924023
$254.70 MSRP: $329.91
You Save: $75.21 (23%)
ADD TO CART
Product Specifications
- Other Name: Battery
- Replaced by: 61216806755
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2019-2020 BMW Z4 | sDrive30i(G29)
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BMW Z4 Battery, Manuf.: Exide (Warranty Only)
Part Number: 61217586961
Product Specifications
- Other Name: Battery
- Replaces: 61-21-6-946-333
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2003-2008 BMW Z4 | 2.5i(E85), 3.0i(E85), Coupe 3.0si(E86), Roadster 3.0i(E85), Roadster 3.0si(E85)
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BMW Z4 Ep Battery 70Ah
Part Number: 61212353806
$156.44 MSRP: $207.00
You Save: $50.56 (25%)
Product Specifications
- Replaced by: 61212353817
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2003-2016 BMW Z4 | 2.5i(E85), 3.0i(E85), Coupe 3.0si(E86), Roadster 3.0i(E85), Roadster 3.0si(E85), sDrive28i(E89), sDrive30i(E89), sDrive35i(E89), sDrive35is(E89)
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BMW Z4 Ep Battery 70Ah
Part Number: 61212353811
$180.32 MSRP: $235.00
You Save: $54.68 (24%)
Product Specifications
- Replaced by: 61215A40E19
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2003-2016 BMW Z4 | 2.5i(E85), 3.0i(E85), Coupe 3.0si(E86), Roadster 3.0i(E85), Roadster 3.0si(E85), sDrive28i(E89), sDrive30i(E89), sDrive35i(E89), sDrive35is(E89)
View related parts
BMW Z4 Ep Battery 80Ah
Part Number: 61212353813
$186.22 MSRP: $232.00
You Save: $45.78 (20%)
Product Specifications
- Other Name: Battery
- Replaced by: 61215A40E31
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2009-2016 BMW Z4 | sDrive28i(E89), sDrive30i(E89), sDrive35i(E89), sDrive35is(E89)
View related parts
BMW Z4 Ep Battery 80Ah
Part Number: 61212353808
$206.41 MSRP: $265.00
You Save: $58.59 (23%)
Product Specifications
- Other Name: Vehicle Battery
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2003-2016 BMW Z4 | 2.5i(E85), 3.0i(E85), Coupe 3.0si(E86), Roadster 3.0i(E85), Roadster 3.0si(E85), sDrive28i(E89), sDrive30i(E89), sDrive35i(E89), sDrive35is(E89)
View related parts
BMW Z4 12-V LITHIUM DUAL STORAGE SY
Part Number: 61215A078B0
Product Specifications
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2019-2020 BMW Z4 | sDrive30i(G29)
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BMW Z4 Battery, Manuf.: Douglas (Warranty Only)
Part Number: 61218381738
Product Specifications
- Other Name: Battery
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2003-2008 BMW Z4 | 2.5i(E85), 3.0i(E85), Coupe 3.0si(E86), Roadster 3.0i(E85), Roadster 3.0si(E85)
View related parts
BMW Z4 Battery, Manuf.: Douglas (Warranty Only)
Part Number: 61218381749
Product Specifications
- Other Name: Battery
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2003-2008 BMW Z4 | 2.5i(E85), 3.0i(E85), Coupe 3.0si(E86), Roadster 3.0i(E85), Roadster 3.0si(E85)
View related parts
BMW Z4 Battery, Manuf.: Exide (Warranty Only)
Part Number: 61217591080
Product Specifications
- Other Name: Battery
- Replaces: 61-21-6-928-682
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2003-2008 BMW Z4 | 2.5i(E85), 3.0i(E85), Coupe 3.0si(E86), Roadster 3.0i(E85), Roadster 3.0si(E85)
View related parts
BMW Z4 Battery, Manuf.: Exide (Warranty Only)
Part Number: 61217598775
Product Specifications
- Other Name: Battery
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2009-2016 BMW Z4 | sDrive28i(E89), sDrive30i(E89), sDrive35i(E89), sDrive35is(E89)
View related parts
BMW Z4 Battery, Manuf.: Exide (Warranty Only)
Part Number: 61217586960
Product Specifications
- Other Name: Battery
- Replaces: 61-21-6-946-332
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2003-2008 BMW Z4 | 2.5i(E85), 3.0i(E85), Coupe 3.0si(E86), Roadster 3.0i(E85), Roadster 3.0si(E85)
View related parts
BMW Z4 12-V LITHIUM DUAL STORAGE SY
Part Number: 61219442935
Product Specifications
- Replaced by: 61219857516
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2019-2020 BMW Z4 | sDrive30i(G29)
View related parts
BMW Z4 12-V LITHIUM DUAL STORAGE SY
Part Number: 61219857516
Product Specifications
- Replaces: 61-21-9-442-935
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2019-2020 BMW Z4 | sDrive30i(G29)

BMW Z4 Batteries

If you are looking for OEM BMW Z4 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 Z4 Batteries that come backed by the manufacturer's warranty.

BMW Z4 Batteries Parts Questions & Experts Answers

Battery, Manuf.: Exide (Warranty Only)
61217586960
Q: How to accurately measure the voltage of a battery on BMW Z4?
A:
To measure the battery voltage accurately, the top charge must be removed. Achieving this involves switching on the higher lights for a period of ten seconds and then turning them off to allow the vehicle stay for about two minutes. Battery check begins by taking off the battery cover and unplugging both the negative and positive Battery Cables. The indicator eye at the top of the battery should be visually examined; it has to be black meaning that it should be charged if yellow or replaced in case of defects. Open circuit voltage is measured using a digital voltmeter, which should give about 12.6 volts for a fully charged battery. Charge your battery first if it is less than this value before you proceed with other steps. A load tester is next used to carry out a load test on your battery. Connect this device to your terminals, apply its load within fifteen seconds without letting your cells' voltage drop below 9.6 volts. When it is weak or defective, an indication will appear in a load tester's display window. During replacement of one's battery, check with dealer parts department or auto parts store that sells batteries so as to get accurate choice of battery required in such cases. Remove relevant trim panels and also loosen up the positive plus negative cables connected to my battery Remove relevant trim panels and also loosen up the positive plus negative cables connected to my batter Ensure that there is no corrosion beneath your cells after lifting them out carefully as they are heavy Avoid being careful when lifting out my cell due to its weight; look at underneath if corroded clean It should first connect new batteries and lastly attach negatives.