Chosen as the BEST independent auto repair facility in the United States by Robert Bosch of Germany!         Chosen as the Auto Repair (non-Dealership) in Ann Arbor & Washtenaw county!

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Quality Auto Repair for Audi, BMW, Mercedes, Porsche, VW




German autos are about heritage, Targa Florio, The 'Ring.


As the oldest continually owned Independent repair faciilty in Wastenaw County (and the only Bosch Service Center) P.A.T. is about German auto heritage. BMW's modern heritage started with the 2002 series. We at P.A.T. worked on 2002's as new vehicles, we have set up tii's Kugelfischer injection, the Bavaria, one of BMW's all time great autos and the cs series are all familier to us. New Bimmers? Motronic? Stability Control? We're a Bosch Service Center, the engineering firm that designed those systems.

Porsche's? We own 356's 911's and Carrera 4's ourselves. We've rebuilt engines, transmissions, installed Quaife diffs, we've worked on them all 356, 904,928, turbo, Carrera, Boxster. We've gone to Porsche Parades, 356 Holidays. P.A.T. is all about Porsche Heritage.

Mercedes? Audi? We've owned them, coveted them, modified them. Craftsmenship is not a flat-rate (flat-rate is a mechanic pay system which rewards haste) occupation. We value your patronage and our technician's craftsmenship.

P.A.T. built it's building 30 years ago to repair German vehicles, we have repaired 87,000 vehicles since then.



Proper Repair


Proper repair of German Automobiles requires Training, Experience and the proper electronic diagnostic equipment.

P.A.T.'s technicians have extensive Bosch Factory training, over 100 years combined German vehicle experience and up-to-date electronic diagnostic equipment ranging from the Bosch KTS300 ('The Hammer') to computer based diagnostics for Audi, BMW, Mercedes, Porsche and VW. P.A.T. also has the areas most complete inventory of German Automobile special tools.



Our special tools include those needed to service Carburators, Bosch (& Kugelfischer) Mechanical, DJetronic, LJetronic, K & KE Jetronic & Motronic Fuel Injection, our training includes factory Bosch training.


P.A.T.'s technical library includes 300 service manuals dating to 1950, multiple computer based repair data systems and online sources.

P.A.T. is the Ann Arbor repair facility for your German vehicle.