What is the significance of consistent, clean voltage for the batteries when charging or maintaining battery charge while coding or programming control modules on 2009 BMW 335i?

Consistent, clean voltage is essential when charging the battery or maintaining battery charge while coding or programming control modules. A transformer-based battery charger is inadequate for this task. BMW recommends the use of a vehicle power supply instead of a battery charger. A power supply is a constant voltage, high-amperage power station with electronically controlled functions. It insures clean DC voltage and eliminates AC. It also provides fast, efficient and safe battery charging. Once proper battery voltage is obtained, the power supply floats the charge to maintain that voltage. Power supply units from different manufacturers are illustrated on this page. If using a power supply, recharge battery without removing it. Otherwise, remove the battery from the trunk or cargo compartment during charging. Prolonged charging with a conventional charger can cause battery electrolyte evaporation to a level that can damage. It is best to use a low-current charger (6 amperes or less) to prevent battery damage caused by overheating. CAUTION-Battery electrolyte (sulfuric acid) can damage the car. If electrolyte is spilled, clean the area with a solution of baking soda and water. Allow a frozen battery to thaw before attempting to recharge it. Do not exceed 16.5 charging voltage at the battery.

Genuine 2009 BMW 335i Batteries

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11 Batteries found

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2009 BMW 335i Ep Battery 70Ah
Part Number: 61212353806
$108.08 MSRP: $145.00
You Save: $36.92 (26%)
Product Specifications
- Replaced by: 61212353817
- Item Weight: 5.40 Pounds
- Condition: New
- SKU: 61212353806
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following 2009 BMW 335i Submodels:
- Sedan(E90)
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2009 BMW 335i Ep Battery 80Ah
Part Number: 61212353808
$151.99 MSRP: $195.00
You Save: $43.01 (23%)
Product Specifications
- Item Weight: 7.40 Pounds
- Condition: New
- SKU: 61212353808
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following 2009 BMW 335i Submodels:
- Coupe(E92), Sedan(E90)
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2009 BMW 335i Ep Battery 70Ah
Part Number: 61212353811
$198.32 MSRP: $247.10
You Save: $48.78 (20%)
Product Specifications
- Replaced by: 61215A40E19
- Item Weight: 7.20 Pounds
- Condition: New
- SKU: 61212353811
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following 2009 BMW 335i Submodels:
- Sedan(E90)
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2009 BMW 335i Ep Battery 80Ah
Part Number: 61212353813
$204.81 MSRP: $255.21
You Save: $50.40 (20%)
Product Specifications
- Replaced by: 61215A40E31
- Item Weight: 7.80 Pounds
- Condition: New
- SKU: 61212353813
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following 2009 BMW 335i Submodels:
- Sedan(E90)
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2009 BMW 335i Battery, Manuf.: Exide (Warranty Only)
Part Number: 61217586962
$139.89 MSRP: $158.33
You Save: $18.44 (12%)
Product Specifications
- Other Name: Battery
- Replaces: 61-21-6-946-334
- Item Weight: 28.40 Pounds
- Condition: New
- SKU: 61217586962
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following 2009 BMW 335i Submodels:
- Coupe(E92), Sedan(E90)
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2009 BMW 335i Battery, Manuf.: Exide (Warranty Only)
Part Number: 61217586961
$139.89 MSRP: $158.33
You Save: $18.44 (12%)
Product Specifications
- Other Name: Battery
- Replaces: 61-21-6-946-333
- Item Weight: 29.50 Pounds
- Condition: New
- SKU: 61217586961
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following 2009 BMW 335i Submodels:
- Coupe(E92), Sedan(E90)
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2009 BMW 335i Ep Battery 92Ah
Part Number: 61212353812
$229.22 MSRP: $313.32
You Save: $84.10 (27%)
Product Specifications
- Replaced by: 61215A40E29
- Item Weight: 9.60 Pounds
- Condition: New
- SKU: 61212353812
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following 2009 BMW 335i Submodels:
- Convertible(E93), Coupe(E92), Sedan(E90), Sedan(F30)
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2009 BMW 335i Battery, Manuf.: Douglas (Warranty Only)
Part Number: 61218381738
$103.15 MSRP: $123.00
You Save: $19.85 (17%)
Product Specifications
- Other Name: Battery
- Item Weight: 30.10 Pounds
- Condition: New
- SKU: 61218381738
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following 2009 BMW 335i Submodels:
- Coupe(E92), Sedan(E90)
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2009 BMW 335i Battery, Manuf.: Douglas (Warranty Only)
Part Number: 61218381749
$114.05 MSRP: $136.00
You Save: $21.95 (17%)
Product Specifications
- Other Name: Battery
- Item Weight: 28.70 Pounds
- Condition: New
- SKU: 61218381749
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following 2009 BMW 335i Submodels:
- Coupe(E92), Sedan(E90)
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2009 BMW 335i 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
- Item Weight: 27.90 Pounds
- Condition: New
- SKU: 61218381762
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following 2009 BMW 335i Submodels:
- Coupe(E92), Sedan(E90)
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2009 BMW 335i Battery, Manuf.: Exide (Warranty Only)
Part Number: 61217586960
$174.96 MSRP: $218.41
You Save: $43.45 (20%)
Product Specifications
- Other Name: Battery
- Replaces: 61-21-6-946-332
- Item Weight: 30.10 Pounds
- Condition: New
- SKU: 61217586960
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following 2009 BMW 335i Submodels:
- Coupe(E92), Sedan(E90)

2009 BMW 335i Batteries

Are you in need of a high-quality yet affordable OEM 2009 BMW 335i Batteries? Look no further. Our website boasts an extensive selection of genuine 2009 BMW 335i Batteries, all priced competitively. Plus, our top-notch customer service and speedy delivery options ensure a seamless shopping experience for you.

2009 BMW 335i Batteries Parts Questions & Experts Answers

Q: What is the significance of consistent, clean voltage for the batteries when charging or maintaining battery charge while coding or programming control modules on 2009 BMW 335i?
A: Consistent, clean voltage is essential when charging the battery or maintaining battery charge while coding or programming control modules. A transformer-based battery charger is inadequate for this task. BMW recommends the use of a vehicle power supply instead of a battery charger. A power supply is a constant voltage, high-amperage power station with electronically controlled functions. It insures clean DC voltage and eliminates AC. It also provides fast, efficient and safe battery charging. Once proper battery voltage is obtained, the power supply floats the charge to maintain that voltage. Power supply units from different manufacturers are illustrated on this page. If using a power supply, recharge battery without removing it. Otherwise, remove the battery from the trunk or cargo compartment during charging. Prolonged charging with a conventional charger can cause battery electrolyte evaporation to a level that can damage. It is best to use a low-current charger (6 amperes or less) to prevent battery damage caused by overheating. CAUTION-Battery electrolyte (sulfuric acid) can damage the car. If electrolyte is spilled, clean the area with a solution of baking soda and water. Allow a frozen battery to thaw before attempting to recharge it. Do not exceed 16.5 charging voltage at the battery.

Related 2009 BMW 335i Parts

Alternate Year Models

2008 BMW 335i Batteries 2010 BMW 335i Batteries