Ultra Performance

103 Park Avenue,
Winder, GA 30680 US
1 Review
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Ultra Performance is your performance and mechanic shop for all you racing, tuning and regular routine BMW maintenance needs!

With over 30 years in racing experience we will do the best work and it is a guarantee. We have experience in Porsche Carrera and super cup European La Mans series, American La Mans series, Grand American sport car series, SCCA Pro Racing GT, Imsa Gt challenge, Ferrari challenge.

I want to share all my racing experience an knowledge with you and help you to achieve your goals at track so if you are in need to find the right set up for your racing car - we are your place to go We can also provide full technical and crew support for Club sport and professional racing!

Our team also offers regular maintenance for all European brands!

Meet Our Owner

Kurt Kiedel attended and graduated from Bayerische Berufschule Ansbach in 1976 and worked for many authorized German auto repair dealers-VW and Porsche- in Ansbach, Germany throughout the 70s and early 80s. He opened his own car repair shop in 1981 in Ansbach, Germany. Over the years, Kurt has gained knowledge in the German auto repair industry from visiting many technical classes and performing repairs to European cars, as well as serving as a crew chief and technical engineer in Farnbacher Racing in the Porsche Carrera Cup and Porsche Super Cup in Europe, among several others.

In 2008, Kurt moved to the United States of America and worked for Farnbacher Loles as senior engineer, Falken–Landmark motorsport as crew chef and Paul Miller Racing as technical director and race engineer.

Currently, his new projects consist of: new technical design of hydraulic differential for race cars and street cars, new technical design of hydraulic anti roll bar for race cars and street cars, and he is writing a book about design, development and set up for race car chassis/suspension.


  • Free Wifi
  • Shuttle Service
  • Refreshments
  • After Hours Drop-Off
  • Magazines
  • Customer Lounge
  • Courtesy Car Wash


  • First Time Customer Special

    We offer for our first time customers 20% off on parts and labor.

    Show Coupon

Awards & Affiliations

Bosch ServiceBosch Service

1 Review

  • Rob Bennett 2 weeks ago

    Ultra Performance Team has done an amazing job on my BMW. They continue to service my car as a daily driver and as a car that I can drive on race courses. With 35+ years experience and training in Europe, they are able to service, upgrade custom build anything you need. They are always on the cutting edge of the newest technology and often consult with European manufacturers, leading the industry in innovation. Their main focus is to build long-term relationships with customers while delivering quality service at a customer focused price.

    2010 BMW 550i GT
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