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VW – AUDI – PORSCHE – BENTLEY – LAMBORGHINI – FERRARI – MASERATI – TESLA

1125 Las Brisas Place
Placentia, CA 92870

VW – AUDI – PORSCHE – BENTLEY – LAMBORGHINI – FERRARI – MASERATI – TESLA

1125 Las Brisas Place
Placentia, CA 92870

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Customers Reviews

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Customer Reviews

Welcome to Auto Union Tuning

Premium Automotive Service in Placentia, CA

Auto Union Tuning is a complete dealer alternative where we diagnose, repair and service your VW, Audi, Porsche, Bentley, Lamborghini, Ferrari, Maserati, and Tesla. We Proudly service the Placentia, Anaheim Hills, Yorba Linda, Chino Hills, Diamond Bar, Fullerton, Corona, Brea, La Habra, La Mirada, Orange, Irvine, Tustin, Huntington Beach, Westminster, Garden Grove, Seal Beach, Long Beach, Fountain Valley, Costa Mesa, Newport Beach, and Santa Ana areas. Along with the experience, training, and vast knowledge acquired through the manufacturer, our technicians are true car enthusiasts that use the latest tools, diagnostic equipment, and same procedures used by the dealership. Using only genuine and the highest quality O.E.M. parts, there is no job too big or small. We also stock and sell many parts over the counter for the DIY enthusiast.

Call Now For An Appointment

Call Now For An Appointment

Auto Union Tuning
1125 Las Brisas Place
Placentia, CA 92870
(714) 841-1000
Mon-Fri: 8am-5pm
Saturday: 8am-3pm
Sunday: Closed
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Auto Union Tuning
1125 Las Brisas Place
Placentia, CA 92870
(714) 841-1000
Mon-Fri: 8am-5pm
Saturday: 8am-3pm
Sunday: Closed
VisaMasterCardDiscoverAmericanExpressbridgestoneCheck

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Shop Partners

APR – Unitronic – Cobb – Liquimoly – Motul – Racing Brake – ECS Tuning – 034 Motorsports – CTS Turbo – JHMotorsports – Integrated Engineering – Frankenturbo -Eurodyne – Nuespeed – VMR Wheels – Titan7 Wheels

About Us

Established in 2011.

Owners’ Raz and Dave were both trained at the Audi Academy in 2006 and have been working in the industry many years prior to that. Our staff consists solely of automotive enthusiasts who are factory trained technicians with decades of dealership experience. All of our staff owns, drives and modifies the cars that we work on, day in and day out. Not only can we repair your car, but we have the tools, knowledge and experience to make it better than the day it was sold new.

Southern California’s Best Auto Repair Experience

What sets Auto Union Tuning apart from all of the others in Placentia, CA?

Using only genuine and the highest quality O.E.M. parts, there is no job too big or small. We also stock and sell many parts over the counter for the DIY enthusiast.

  • Oil and filter changes
  • Tire mounting and balancing
  • Alignments
  • Factory key programming
  • CARB Legal Performance software tuning
  • Dynamometer testing
  • Regular maintenance, major and minor services
  • OEM plus upgrades
  • Electrical system repairs and diagnosis
  • Suspension repairs and modifications
  • Brake system repairs and upgrades
  • Engine mechanical repairs, modifications, diagnosis
  • Transmission repairs and diagnosis

We strive to deliver the most exceptional experience for our clients. With your satisfaction being our highest priority. Stop by or give us a call during our normal hours, or email anytime.

Trust: When it comes to auto repair in Orange County, CA, it’s all about earning loyalty and trust by doing our very best every day. We are determined to earn and keep your trust.

Talent: At Auto Union Tuning, you can rest easy knowing that our highly-skilled, experienced auto service professionals are handling your car. Our technicians bring years of experience, skill, and education to the Placentia auto repair table.

Time: We take the time we need to provide you with top quality service, and we take the time to talk to you about what that means. We listen to you so we understand your needs and goals for your auto repair.

Recently Serviced Vehicles

2019 Volkswagen Tiguan

Volkswagen Tiguan

Mileage
19,522
Service Date
9/13/2022
Services Performed
  • Tire pressure set to manufacturer recommended pressure
  • Removed and replaced battery, set basic settings and road tested to ensure vehicle is operating OK.
  • California Battery Disposal Fee
 
Nathalie M. gave our service a 5 star review on 9/19/2022

2012 Volkswagen Golf R

Volkswagen Golf R

Mileage
90,390
Service Date
8/25/2022
Services Performed
  • Unable to replicate concern at this time. Recommend customer continue driving vehicle until issue has become more apparent. No fault codes stored in vehicle and vehicle is driving well.
  • Tire pressure set to manufacturer recommended pressure
 
Manny C. gave our service a 5 star review on 9/17/2022

2016 Audi SQ5

Audi SQ5

Mileage
75,695
Service Date
9/16/2022
Services Performed
  • Installed 034Motorsport Stage 2 ECU tune. Cleared fault codes and test drove vehicle to ensure vehicle is operating OK.
  • Installed 034Motorsport TCU tune. Cleared fault codes and test drove vehicle to ensure vehicle is operating OK.
  • Tire pressure set to manufacturer recommended pressure
 
John M. gave our service a 5 star review on 9/16/2022

2017 Volkswagen Golf SportWagen

Volkswagen Golf SportWagen

Mileage
120,550
Service Date
9/8/2022
Services Performed
  • Installed customer supplied wheel bolts. Torqued to spec and road tested vehicle to ensure vehicle is driving OK.
  • Mounted and Balanced 4 tires. Road tested vehicle to ensure vehicle is operating OK.
  • Tire pressure set to manufacturer recommended pressure
 
Steve M. gave our service a 5 star review on 9/15/2022

2013 Volkswagen CC

Volkswagen CC

Mileage
95,261
Service Date
9/8/2022
Services Performed
  • Performed oil and filter change and reset reminder (if applicable)
  • Performed brake fluid flush. Road tested vehicle to ensure vehicle is operating OK.
  • Window seals seem to be making a good amount of noise. Could not hear anything specific while turning left.
  • Rotated tires and front tires are now measuring 8/32nds in front and 6/32nds in rear.
  • Tire pressure set to manufacturer recommended pressure
 
Gina A. gave our service a 5 star review on 9/8/2022

2016 BMW 535d

BMW 535d

Mileage
81,504
Service Date
9/1/2022
Services Performed
  • Performed 4 wheel alignment with road test to ensure accuracy.
  • Tire pressure set to manufacturer recommended pressure
 
Ole N. gave our service a 5 star review on 9/1/2022

2017 Volkswagen GTI

Volkswagen GTI

Mileage
87,381
Service Date
8/23/2022
Services Performed
  • Performed oil and filter change and reset reminder (if applicable)
  • Verified concern, found the following fault codes stored; P00AF Actuator Module for Turbocharger – Stuck – Intermittent P0461 Fuel Level Sensor Circuit – Implausible Signal – Intermittent
  • Tire pressure set to manufacturer recommended pressure
 
Dean M. gave our service a 5 star review on 8/29/2022

2013 Volkswagen Golf

Volkswagen Golf

Mileage
95,395
Service Date
8/25/2022
Services Performed
  • Performed oil and filter change and reset reminder (if applicable)
  • Performed brake fluid flush. Road tested vehicle to ensure vehicle is operating OK.
  • Performed 4 wheel alignment with road test to ensure accuracy.
  • Replaced engine air filter.
  • Tire pressure set to manufacturer recommended pressure
 
Stephanie B. gave our service a 5 star review on 8/25/2022

2018 Audi S5

Audi S5

Mileage
25,786
Service Date
8/24/2022
Services Performed
  • Perform Oil Change Service and reset service interval (as applicable)
  • Installed 034Motorsport transmission mount
  • Performed brake fluid flush. Road tested vehicle to ensure vehicle is operating OK.
  • Tire pressure set to manufacturer recommended pressure
 
Sean W. gave our service a 5 star review on 8/25/2022

2015 Volkswagen Jetta

Volkswagen Jetta

Mileage
123,095
Service Date
8/23/2022
Services Performed
  • Not fault codes found engine module. Could not replicate customer concerns. Fuel gauge was hooked up on the car to monitor fuel pressure for any discrepancies over a period of 30 minutes, the vehicle consistently held between 62-64PSI . Engine spark coil packs have been know to get too hot on these engines and cause an intermittent no start. Given the non fluctuating fuel pressure, the next step would be to change to the coil pack. Recommend Coil pack.
  • Replaced Ignition coil. Cleared fault codes and test drove vehicle to ensure vehicle is operating OK.
  • Tire pressure set to manufacturer recommended pressure
 
Campbell M. gave our service a 5 star review on 8/23/2022

2013 Volkswagen GTI

Volkswagen GTI

Mileage
73,065
Service Date
8/19/2022
Services Performed
  • Installed Sachs performance clutch kit. Road tested vehicle to ensure vehicle is operating OK.
  • Performed alignment with road test to ensure accuracy.
  • Tire pressure set to manufacturer recommended pressure
 
Jose M. gave our service a 5 star review on 8/21/2022

2018 Audi S4

Audi S4

Mileage
73,457
Service Date
8/15/2022
Services Performed
  • Updated APR Software
  • Tire pressure set to manufacturer recommended pressure
 
Brent T. gave our service a 5 star review on 8/18/2022

Services:

  • Brakes & Brake Repair
  • Oil Changes
  • Tires & Tire Repair
  • Mufflers & Exhaust
  • Check Engine Light
  • Belts & Hoses
  • And Much More...
See All Services

Location:

Auto Union Tuning
1125 Las Brisas Place
Placentia, CA 92870
(714) 841-1000