Technica Motorsport - boyd avenue northwest, atlanta, ga
Talk to Jordan or Brent, tell them that Matt Joos sent you... they're one of the more reputable independent BMW shops in Georgia along with TRM(Suwanee) and Harrisons (Alpharetta). They rebuilt my e36 M3 track-car and it's been excellent. They're hourly rates for labor are cheaper than TRM and Harrison's and their quality exceeds.
1997 M3 Coupe - BMWCCA I-Prepared #22
2006 M Roadster - 23,000 miles and slowly counting