Alternator OEM Audi or OEM BMW

PartReview Score

Rank #15 in ranking

2.8

Lights

2.0

Warning light

1.3

No data

PR Score

Ranking

Votes

Reviews

Average rating

Properties

Car

PartReview Score

Rank #12 in ranking

3.2

Lights

3.3

Noise

5.0

Warning light

2.1

No data

Reviews

All

OEM Audi

OEM BMW

OEM Audi › Alternator

RaisingCanes4POTUS 27 Dec 2025, 07:50

Warning light:

Rating 4.0

Exact thing happened to my vehicle earlier this month. Left me stranded. Luckily I was in the last month of warranty and got a shiny new alternator!

Pros: shiny new alternator

Cons: left me stranded

Vehicle: Audi

OEM Audi › Alternator

stryckereddit 27 Dec 2025, 03:30

Warning light:

Rating 4.0

Last year I had a similar experience/warnings with my 2021 RS6. Flat bedded to the dealership and they replaced the alternator under warranty.

Pros: replaced under warranty

Vehicle: Audi RS6

OEM BMW › Alternator

Former-Primary-3186 16 Dec 2025, 20:37

Noise:

Rating 5.0

Actively replacing our alternator now, I used this video to confirm that it was the same sound.

Vehicle: BMW

OEM BMW › Alternator

CarsAlcoholSmokes 9 Dec 2025, 09:34

Warning light:

Rating 3.0

Dead battery within months, and car completely shutting off, your car SCREAMS alternator issue. Get it checked out.

Cons: alternator issue

Vehicle: BMW X1

OEM BMW › Alternator

Existing-Mongoose-11 22 Sep 2025, 09:51

Warning light:
Lights:

Rating 3.0

This was the only non oe product in my car. When mine went it went . There weren\u2019t any bmw ones available for love nor money at the time. I get 13.8 out of mine as well. Can been fine for 12 months.

Pros: fine for 12 months

Cons: non oe product

OEM BMW › Alternator

OmakKhawal 30 Jan 2025, 01:24

Rating 3.0

Sometimes when u replace the alternator but the battery is bad it'll just fry your new alternator.

Cons: battery can fry alternator

Vehicle: BMW

OEM Audi › Alternator

zogoed 20 Dec 2025, 17:18

Warning light:

Rating 1.0

Wouldn\u2019t recommend unless you like spending your time on the side of the road or at the dealer. Mine just went back to my local dealer today for its 4th alternator in 32k total miles, 3rd one in the last 6 months. Literally just got the car back 5 days ago for the same issue.

Pros: Fun to drive

Cons: unreliable, frequent alternator issues

Vehicle: Audi

Mileage: 51500 km

OEM Audi › Alternator

ResourceSea2761 8 Dec 2025, 03:22

Warning light:
Lights:

Rating 1.0

Had an alternator problem (which was a recall) that completely shut down the car in the middle of driving (dash and all electronics turned off) leaving me stranded to wait for a tow truck. Audi fixed it for free.

Pros: Audi fixed it for free

Cons: alternator problem, shut down car

Vehicle: Audi A7

OEM BMW › Alternator

mr_lab_rat 2 Nov 2025, 22:36

Rating 1.5

My friend’s BMW X5 had an alternator fail at 50k, she does a lot of city driving so lots of start/stops.

Cons: alternator failed

Vehicle: BMW X5

Mileage: 80467 km

OEM Audi › Alternator

Maleficent_Stage_581 16 Oct 2025, 08:58

Rating 1.0

Die neueren Generatoren sind heute noch Müll (Haltbarkeit). Musste ich erst in meinem A6 erleben (der zu meinem Glück noch auf Garantie ging). Im RS6 gehen die Dinger auch am laufenden Band flöten.

Cons: schlechte Haltbarkeit, häufige Ausfälle

Vehicle: Audi A6

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Which alternator to choose — OEM Audi or OEM BMW?

If choosing alternator across many manufacturers, check the part ranking. If your choice is down to two brands, the PartReview part comparisons help.

We compare alternator across these categories:

Comparison of alternator OEM Audi and OEM BMW

PR Score.
Overall ranking.
Vote balance.
Average rating.
Number of reviews.
Feature ratings.
Car owners’ choice.

Which alternator are better — OEM BMW or OEM Audi?

In March 2026 on PartReview, alternator OEM BMW were overall better than OEM Audi.

OEM Audi received a PR Score of 50 out of 100, and OEM BMW scored 62 points.
OEM Audi ranked 15 in the overall ranking, and OEM BMW ranked 12.
The average rating is higher for OEM BMW (3.2) than for OEM Audi (2.8).
Alternator OEM BMW have better feature ratings than OEM Audi:
- Warning light - owners believe, that this property for OEM BMW is better than OEM Audi.
- Lights - drivers claim, that this property for OEM BMW is outperforms OEM Audi.
- Noise - reviews suggest, that this property for OEM BMW is preferred to OEM Audi.

Which alternator are more popular — OEM Audi or OEM BMW?

Alternator OEM Audi and OEM BMW were equally popular according to data in March 2026.

By vote balance, alternator OEM BMW surpassed OEM Audi:

For OEM Audi, the ratio of positive (42) to negative (42) votes is 0 votes.
For OEM BMW, the ratio of positive (30) to negative (18) votes is 12 votes.

By number of reviews, alternator OEM Audi surpassed OEM BMW:

For alternator OEM Audi there are 26 reviews: 10 positive, 6 neutral, 10 negative.
For alternator OEM BMW there are 15 reviews: 8 positive, 3 neutral, 4 negative.

Which alternator do car owners prefer — OEM Audi or OEM BMW?

In March 2026, according to PartReview, alternator OEM Audi and OEM BMW have not taken top places in car-specific ratings. You can help by adding your review about these manufacturers.

Other comparisons of alternator

If this comparison didn’t fully answer your question, there are many others on PartReview.

For example, comparisons of alternator OEM Audi with: Denso, Bosch, Duralast, OEM Toyota, VALEO, OEM Honda, OEM Volkswagen, AC DELCO, OEM FORD, OEM Nissan.

Also available: comparisons of alternator OEM BMW with: Denso, Bosch, Duralast, OEM Toyota, VALEO, OEM Honda, OEM Volkswagen, AC DELCO, OEM FORD, OEM Nissan.

You can also see who is better among other alternator manufacturers: Bosch or Denso, Denso or Duralast, OEM Toyota or Denso, Bosch or Duralast, Denso or VALEO.