Independently Rated Highest in Quality
Originally Earned:
August 2009
We declare that Bavarian Tuning HAS QUALIFIED for and continues to meet the Ongoing Research and Rating Requirements for Diamond Certified® status.
Certificate #1552
(707) 575-3757
112 Commercial Court, Suite 11
Santa Rosa, CA 95407
From custom upgrades to state-of-the-art diagnostics to racing and driving school prep, Bavarian Tuning is your one-stop shop for all things BMW. Lifelong car enthusiast Billy Maher has 35 years experience wearing just about every BMW hat there is: shop technician, dealership service manager, raceway mechanic and racecar driver and driving instructor. He opened Bavarian Tuning in 2003 and has been the sole owner since 2005.

Bavarian Tuning is a product and performance expert. Whether it's fine-tuning the family car or upgrading the computer system in a performance street machine, they're the first and only stop you need to make. They know BMWs inside and out and know how to give you the most performance for your dollar.

All work is executed by experienced, certified BMW techs using approved BMW parts. They'll help you choose the packages that suit your vehicle and meet your driving needs. Along the way, they'll educate, inform and enlighten you. Bavarian Tuning goes the extra mile to ensure trouble-free driving once your car leaves the shop. For state-of-the-art products, unsurpassed performance, competitive pricing and personalized service, no one outperforms Bavarian Tuning.

Company Philosophy

“A shop can have the best technicians in the world; but if they don’t treat customers with respect, nobody is going to want to come back to them. We pride ourselves on being easy to work with and making people feel comfortable and valued. It’s not just about taking care of your car. It’s about taking care of you.”
Serving Sonoma CountyBMW Product & Performance Specialist
Custom Systems Design
Racing & Driving School Preparation
Service & Repair
Upgrades, Modifications & Installations

Map

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Findings based on statistically reliable research from 100 surveys

Customer Satisfaction

Survey Question: On a scale of 1 to 10 how satisfied were you with the quality you received?
Chart.

Company Credentials

Workers Compensation
Liability Insurance
License Verification
Business Practices
Current Complaint File

Customer Loyalty

Survey Question: If you needed this product or service in the future, would you use this company again?
Chart.
99%
n = 100

Diamond Certified Qualification

Based on 100 customer surveys, we declare
Bavarian Tuning
has passed all rating steps and has earned
The Diamond Certified Award
No. 1552
Continuously qualified since August 2009.
David Pak
Director of Ratings Research
American Ratings Corporation

Verbatim Survey Responses From Only Verified Customers

"I thought they were honest. They got the job done quickly."

–Aaryn V.

"Their knowledge, they knew exactly what the problem was with my car. I liked their expertise. They were very good. They got my car out in the time they said they would."

–Al K.
Research conducted by American Ratings Corporation. Ratings Methodology

Company Capabilities Table

Bavarian Tuning
112 Commercial Court, Suite 11
Santa Rosa, CA 95407
(707) 575-3757
(707) 575-4953 fax
Mon - Fri: 8am - 5pm
After Hours: By Appointment Only
Serving Sonoma County
5
230718
Liability Insurance, Worker's Compensation
Billy Maher, Owner