We’re Open! Monday - Friday 8:00am - 6:00pm / Saturdays by Appointment Only
Our Mission
To complete performance repairs with precision the first time, without anyone knowing it was apart to begin with.
Services
Professionals
Our Work is backed by continuous dealer level training, advanced diagnostic software, specialized technique, and superior customer service
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Warrantied
Here, we gladly warranty all parts and labor for two years or 24,000 miles, whichever comes first.
Services
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We’re Open!
Monday - Thursday 8:00am - 6:00pm
Emergency Service Available! Call Us Today!
Our Address
4 Windham Depot Rd. Unit B1 Derry, NH 03038
Welcome to Peak Performance & Diagnostics

Peak Performance & Diagnostics is a Specialty European Performance and Repair Facility located in Derry, NH. Focusing on BMW & MINI, our team is dedicated to providing the same level of service for Porsche, VW, Audi, and many other makes.

Committed to delivering the ultimate level of service with the highest quality products, our work is backed by continuous dealer level training, advanced diagnostic software, specialized technique, and superior customer service.

Our Services

Aftermarket BMW parts to performance tuning, Peak Performance & Diagnostics is the only European performance shop in NH with the expertise your vehicle deserves.

General maintenance, oil consumption diagnosis, and other specialized repairs are what our team does best. Experienced in European makes, Peak Performance has your needs covered.

Removing carbon buildup with precision walnut blasting is a unique auto repair process that enhances the overall performance of your vehicle.

Offering installation packages on the highest quality performance parts available

Peak Performance & Diagnostics is trained and experienced with performance parts installation on several makes. We proudly provide installation of aftermarket interior and exterior body modification and so much more.

Dinan, Pure Turbos, Vargas Turbo Technology, Speedtech Motorsport, Burger Motorsports, SPR, Akrapovic, and Integrated Engineering – to name a few.

  • Carbon Fiber Race Splitters & Diffusers
  • Carbon Mirror Covers & Trim
  • Trunk Lips & Wings
  • Coding Modifications for lights, body controls
  • And more!
Specializing in…
Peak Performance & Diagnostics is the only facility in the area that specializes in supplying Performance Modifications & Maintenance on BMW’s popular N54, N55, S55, N63, S63, B58 & S58 engine platforms, as well as many others!