Tanin Electronix BA9S Bulb with Reverse Polarity BLUE LED (1 qty)

(1 customer review)


Availability: 7 in stock (can be backordered)

SKU: RPL-LED-BA9S-REV-BLUE Categories: , Tag:

This listing is for one of our Blue BA9S LED light bulbs. This LED is used in interior and exterior auto, boat, and other vehicle lights. Sold as QTY ONE (1). The price for the blue LED version is higher and reflects being completely custom made by our techs in house.

What makes this bulb special is that it’s a reverse polarity LED. Typically, the positive voltage is on the tip of the Tanin Electronix BA9S LED Bulb while negative is on the outer shell. While this is the case with 99% of LEDs on the market, several auto manufacturers decided to flip the script on us. This may have been unintentional considering incandescent bulbs work either way in the socket and they did not have to take LED into consideration.

We modified these BA9S LED light bulbs so that the positive voltage is on the outer shell and the negative is at the bottom point. Problem solved!





This item will generally ship within 1 business day of the order being placed.

If you have any questions, you can contact us as well. Once the order is processed and shipped, you will be sent tracking information by email.


Returns on unopened, unused products are allowed within 30 days of receipt.
The buyer will be responsible for a 15% restocking fee.

Please visit our returns & exchanges page for more details.


Our customers have told us these LEDs work in many European vehicles, specifically BMW models as well as some Japan-built vehicles such as the Lexus SC430. They also work in the 2000-2006 Audi TT.

This LED interchanges with the following bulb part numbers:

1445, 17053, 1815, 1816, 182, 1889, 1891, 1892, 1893, 1895, 1895A, 216, 293, 363, 3886X, 3893, 53, 53X, 57, 6253, 64111, 64113, 64115, 756, 1896, 51


This item comes with a one-year warranty.

Please visit our warranty page for more details.

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