BMW 228i xDrive Car Battery Replacement at your home or office.

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Average rating from customers who
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$281.10 - $291.10

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Car Battery Replacement Estimate for BMW 228i xDrive

BMW 228i xDrive Car Battery Replacement costs $286 on average.

CarServiceEstimateShop/Dealer Price
2015 BMW 228i xDriveL4-2.0L TurboService typeCar Battery ReplacementEstimate$487.21Shop/Dealer Price$608.38 - $925.51
2016 BMW 228i xDriveL4-2.0L TurboService typeCar Battery ReplacementEstimate$487.21Shop/Dealer Price$608.49 - $925.69
Show example BMW 228i xDrive Car Battery Replacement prices

Car Battery Replacement Service

What are car batteries and how do they work?

A car battery is an energy storage device that relies on a chemical reaction within the battery to produce electricity. The stored electrical energy is used to initially operate the starter motor, ignition system, and fuel system on your vehicle. Once your car engine is running, the alternator supplies the electricity needed for all vehicle systems and charges the battery to replace the electric energy used when starting a car.

Most electric vehicles have a traction battery which is in addition to the standard 12 volt battery that is used to start the car engine. Traction batteries also convert chemical energy to supply electrical energy but operate at higher voltages and often are monitored by the PCM (Powertrain Control Module).

Battery

When to replace a car battery?

  • Your car doesn’t start. A new battery has a specified capacity to provide power. This capacity is referred to as the cranking amps rating of the battery. As a battery ages, the actual amps that a battery can supply becomes lower than its original rating Once the cranking amps fall below a critical threshold, it will be difficult or impossible to start your car.
  • Battery or charging system warning light is illuminated. Should a battery or charging system warning light illuminate, a mechanic should perform a few basic tests to determine if a battery replacement is needed.
  • Electrical components don’t work. Once a battery has started to fail, and the voltage produced by the battery drops, then vehicle electrical components can malfunction, such as the security system. If you are experiencing electrical malfunctions, it’s a smart idea to have the battery tested.

How do mechanics replace the battery?

  • A temporary power source might be installed to avoid the possibility of losing radio presets or stored data in the PCM while the battery is out. When the battery is already completely dead, this step is unnecessary.
  • The vehicle’s negative cable is removed from the battery, followed by the positive cable. The battery tie down system is loosened and the old battery removed.
  • Cable ends and wiring are carefully inspected to ensure cleanliness and no corrosion. In some cases, corrosion can be extreme and the cable may need to be replaced or wiring repaired.
  • The new battery is installed and the tie down system is reinstalled. Anti-corrosion compound is applied to the battery terminals. The positive terminal is reconnected followed by the negative terminal.
  • Some vehicles, for example some models of BMW, VW, and Audi, may require PCM programming to input battery parameters. This step, performed using a specialized scan tool, is necessary to maximize battery life and prevent electrical system malfunctions.
  • The car is started and charging system output is measured and compared against the factory OEM specification to ensure that the new battery will properly recharge. Generally, charging output will be in the range of 13.8 to 14.8 volts but the exact specifications vary by make and model.

Is it safe to drive with a battery problem?

Yes, but if you have a weak battery you might be left stranded somewhere if the battery dies completely and you cannot start your car. A faulty battery may also needlessly overload the alternator and could adversely affect the operation of the vehicle’s electrical system, including the vehicle security system and the shift interlock.

When replacing the battery keep in mind:

  • The quality of the electrical connections to the battery posts is important. Connections must be clean, free of corrosion and properly tightened.
  • Batteries store a large amount of energy and if short-circuited a battery could explode and can create intense discharges that can damage your eyesight. Insulated tools should be used to attach cabling to battery terminals. Otherwise, the battery’s positive cable can be shorted to ground or the positive and negative posts can be directly shorted. Batteries can only be safely installed from a positive terminal to positive wiring and from a negative terminal to body ground. If the polarity is reversed damage will likely occur to the vehicle’s electrical system.
  • Generally, a car battery will have a service life of 4 to 7 years. If a load test on a battery reveals a significant reduction in the capacity of the battery to provide power, you should buy a new battery rather than wait for the old battery to fail completely.
  • Batteries should only be disconnected if the engine is off and the alternator is not running. Disconnecting a car battery while the alternator is running can cause a voltage spike that will damage sensitive electronic components in the vehicle, such as the PCM.

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Meet some of our expert BMW mechanics

Real customer reviews from BMW owners like you.

Excellent Rating


YourMechanic BMW Battery Replacement Service

Average Rating

4.9/5

Number of Reviews

233

Rating Summary
223
4
4
2
0
223
4
4
2
0

Damian

10 years of experience
427 reviews
Damian
10 years of experience
BMW 228i xDrive - Oil Change - Kensington, Maryland
Damian showed up early to my appointment. He was courteous and friendly.

Alfred

12 years of experience
366 reviews
Alfred
12 years of experience
BMW 328i - Car Battery Replacement - San Francisco, California
Alfred was great, there was another problem that surfaced as he was changing my battery (which ended up being my circuit breaker) but he diagnosed it super fast and took care of it. Will definitely use YourMechanic again!

Carlos

16 years of experience
225 reviews
Carlos
16 years of experience
BMW 335d - Car Battery Replacement - Los Angeles, California
Very knowledgeable and efficient. Showed up on time and did a great job. Highly recommended.

TJ

25 years of experience
362 reviews
TJ
25 years of experience
BMW M6 - Battery - Fort Myers, Florida
Completely convenient exercise. TJ stayed in contact most of the morning before the appointment, keeping me completely updated on appointment time. He met me at office, texted to update status throughout repair, and finished well within the time we had budgeted. Great service.

Excellent Rating


YourMechanic BMW Battery Replacement Service

Average Rating

4.9/5

Number of Reviews

233

Rating Summary
223
4
4
2
0
223
4
4
2
0
Red-stars EXCELLENT RATING ON
Number of BMW Battery Replacement services completed
2563+
services done by our mechanics
TOTAL NUMBER OF EXPERT BMW MECHANICS
900+
experts on our platform

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