Accidentally stumbled upon Sonic Motorsports in Mountain View
While I was there saw another Steele gray C63 getting new wheels and a front lip. Car had resonators deleted as well. They had some nice cars there.

Actually, when I was visiting some folks at European Motor Works in SF, they also helped me find their location by admitting they were next to an adult book store. Coincidence?
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And I have a lot of first hand experience with Sonic. I must admit, they have done a stellar job on all the mods for my car. Heres what they have done for me so far:
- powder coated wheels 50% gloss black
- painted grill 100% gloss black
- painted lower vent 100% gloss black
- side marker replacement with clear side markers
- full carbon fiber install of lip, mirrors, side gills, trunk spoiler and diffuser
- Quaife LSD install + diff fluid flush
- full 8000k lighting install for side markers, eyebrows, low beams and fogs
- sanded, buffed and clear coated my headlights (they had tons of rock chips in them, now the lights look brand new)
Plus, since ive given them so much repeat business, they give me a decent discount now. I plan on going to them in a few months to install my mid pipe
Darwin and Calvin are pretty helpful from there and they have pretty good workmanship. From what they have told me, they have tons of crazy projects they are doing right now, especially to e92s like you posted in the pics. If you want to see anything I can post pics of any of the above stuff they installed on my car, just let me know.
But if you want a first hand experience, they have done a stunning job on working on mine and this other guys c63







