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Our Auto Shop Services

All repairs and maintenance come with a full parts and labor warranty for 1 year or 12,000 miles, whichever comes first. Parts must be purchased through Auto Union Tuning for this warranty.

Full-Service Porsche, Audi & Volkswagen Repair in Placentia, CA

Dealer Price Matching

We beat dealership quotes on repairs, maintenance, and diagnostics, all without sacrificing quality. Backed by factory-trained technicians, OEM parts, and personalized care.

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Exotic Vehicle Service

From Ferrari, Lamborghini, and Maserati to Black Series Mercedes and Audi R8s, we deliver dealership-quality service for exotic and collector vehicles.

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Check Engine Diagnostics

We offer dealer-level diagnostics using ODIS scan tools for all Audi, VW, and Porsche vehicles, perfect for resolving complex warning lights and electrical issues.


Our techs handle everything from intermittent codes to advanced wiring and connector repairs.


We also diagnose all other makes and models with the same level of precision and care.

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Interval Maintenance

We perform all manufacturer-recommended services based on mileage and time intervals, protecting your investment while preserving factory warranty coverage.


From 5K, 10K, 20K, to 40K major services, we go beyond standard oil changes with full fluid inspections, filter replacements, and system diagnostics.


We use CarFax and in-house records to track your vehicle’s full maintenance history.

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Brake Services

From routine brake pad and rotor replacement to full brake system upgrades, we offer comprehensive brake services for all makes and models.


Our technicians help you choose the ideal combination of rotors and pads, whether you're looking for daily reliability or track-ready performance.


We also provide complete brake hydraulic system repairs, including custom brake line fabrication for classics, imports, and performance builds.

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Alignment Services

We perform precision in-house alignments using top-of-the-line Hunter equipment, ensuring ideal setup whether you're maintaining daily tire life or dialing in a track car.


From lowered sports cars to lifted trucks and Sprinter vans, we align them all, including kit cars, drift builds, and off-road vehicles.


All alignments include Hunter Road Force balancing for smoother rides and longer suspension life.

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Transmission Conversions

Looking to upgrade? We specialize in 8-speed ZF transmission conversions for a wide range of vehicles.


We offer custom installs and competitive pricing as we expand our supported applications.


Contact us to see if your car qualifies for this high-performance drivetrain upgrade.

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Performance Tuning Services

We offer full CARB-legal tuning support for most Volkswagen, Audi, Porsche, and BMW models, ensuring compliance with California emissions standards while unlocking your car’s true performance potential.


For pre-1975 SMOG-exempt vehicles, we provide full custom dyno tuning using our in-house Dynapack dynamometer, allowing us to fine-tune everything from classic muscle cars to track builds.

Why Choose Us

Capabilities

01

Dealer Price Matching

02

Exotic Vehicle Expertise

03

Over 38 Years Combined Auto Repair Experience

04

Extensive OEM & Aftermarket Parts Access

05

State-of-the-Art Auto Shop

Contact Us for a Free Quote

Proudly serving Placentia, Fullerton, Brea, Anaheim, and all of Orange County

contact auto union tuning for exotic car repair specialists in placentia california
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