Grumpy Performance Synthetics

08/04/2024

Good day Y’all! Here is just a taste of some of some photos from today’s Bimmers by the Bay Car Show (BMW CCA - San Diego Chapter). Beautiful day with manny beautiful BMWs…

01/20/2024

Happy New Year to all! Please reach out to GPSynthetics for all your AMSOIL needs.

Here’s to an amazing 2024!

12/25/2023

Merry Christmas to all 🎅 🎄 🎁

04/06/2023

Tax Season is Upon Us - Why not get some great savings and become an AMSOIL Preferred Customer to increase your savings while also keep your investments in top shape.

https://www.amsoil.com/offers/pc/?zo=5326855

Please reach out directly to find out how you may be eligible to get a paid-for PC Membership.

02/03/2023

Shout out to for another very satisfied and happy customer 😊! Thank you so much for taking care of Vader and making it a great running and looking truck again!

For anyone looking for a trustworthy, honest, and get it done right shop, please reach out to BWD, they will help with all of your needs.

01/15/2023

Happy New Year to all! Please reach out or visit my website for all of your AMSOIL Needs.

AMSOIL synthetic oil dealer located in the San Diego, CA area at Grumpy Performance Synthetics. Buy your product now! Click here to learn more!

11/18/2022

Great car to cruise around in, save gas and still have fun with the “spirited” driving 😊.

05/27/2022

The BMW X3 is getting attention today with some fresh 0W-20 European Motor Oil. Who else is getting their cars ready for the summer and those anticipated Road-trips? For anyone that needs any AMSOIL products, please feel free to reach out.

11/07/2021

Another great weekend out in Ocotillo Wells and at Bluinn RV Park/Ocotillo Wells RV Resort

08/08/2021

If your interested in AMSOIL & becoming a Preferred Customer or maybe your already using AMSOIL but not yet a Preferred Customer - Please visit my website for more info. https://www.amsoil.com/offers/pc/?zo=5326855