How do I know if my BMW alternator is bad?

Signs of a Bad Alternator

1. What does an alternator do?
2. Symptom #1 – Warning Indicator Light on Dashboard.
3. Symptom #2 – Dim/Flickering Headlights.
4. Symptom #3 – Dead Battery.
5. Symptom #4 – Strange Sounds.
6. Symptom #5 – Strange Smells.
7. Symptom #6 – Slow Electrical Accessories.
8. Symptom #7 – Regular Stalling/Difficulty Starting.

What are the symptoms of a defective alternator?

7 Signs of a Failing Alternator

• Dim or Overly Bright Lights.
• Dead Battery.
• Slow or Malfunctioning Accessories.
• Trouble Starting or Frequent Stalling.
• Growling or Whining Noises.
• Smell of Burning Rubber or Wires.
• Battery Warning Light on Dash.

How long do BMW alternators last?

around seven years
Most alternators last anywhere between 80,000 to 150,000 miles or around seven years. This number can vary as all cars are different. Here are some factors that can affect the lifespan of your alternator: Alternator quality.

How much does it cost to fix a BMW alternator?

Depending on the location of the alternator, and if other components need to be removed to allow access to the alternator, it can cost between $400 – $1000+ to have it replaced.

Will a BMW start with a bad alternator?

If there is an alternator seal leak that is stopping up the generating power of the alternator, then your engine will begin to have difficulty starting or idling.

What causes alternator to fail?

Alternators have a number of moving parts, so as they get dirty and are subjected to extreme temperatures, those internal components can wear out, causing the alternator to go bad. One of the most common problems you’re likely to experience with an alternator is a failure in the bearings.

How much does a BMW alternator cost?

BMW 325i Alternator Replacement Cost Estimate. Labor costs are estimated between $136 and $172 while parts are priced between $328 and $610. This range is based on the number and age of BMW 325i’s on the road.

What causes BMW battery and alternator to warn?

Another common problem that causes BMW battery and alternator warning is a faulty BSD BMW module, typically mounted on the alternator. If the battery is relatively new, try charging the battery with a trickle charger. Additional problems that can cause this issue include.

Where can I get an alternator for a BMW?

Here at Tech Plus Automotive, we service BMW vehicles from all over the areas of Phoenix, Scottsdale, Paradise Valley, and McCormick Ranch, AZ, giving us a wide range of experience attending to alternator issues in all types of BMW models.

What does it mean when your alternator is malfunctioning?

Cars with an iDrive system will display alternator malfunction warning messages such as vehicle battery charge low or vehicle battery discharged while stopped. Once the voltage output is within the proper range again, the warning light will turn off.

Are there any electrical problems in my BMW?

Automotive electrical problems can be expensive and add up over time. Some issues may even reoccur if not taken of properly. BMW electronic problems can show up out of nowhere and wreak havoc on everything from the motor to climate control. It’s common for car batteries to die.