With 40 years of Personalized service, an ANGIES LIST Super
Service Award winner and an A+ rating from the BBB
ASE-Certified Master Technicians
Dealership-Level Equipment & Diagnostics
2-Year/ 24,000-Mile Warranty Available
Early Bird & After Hours Pick-up & Drop-off
24-Hour Towing Service AvailableA German car rarely warns you politely. It goes quietly, then all at once, usually on the third scorching afternoon in a row. Louden Motorcar Services has worked on BMW, Mercedes-Benz, MINI and Porsche at 11454 Reeder Road since 1977, a few turns off Harry Hines Boulevard near Royal Lane. Four marques. Nothing else. Drivers reach us from Coppell, Highland Park, Irving and University Park, and most of them arrive with a car that has more years on it than the payment book ever suggested. Older German cars need a shop that already knows what breaks first, and in what order.
By reducing the number of brands we service, we’re able to offer you the most comprehensive maintenance & repair programs possible. We handle everything your German car needs, including:
A/C Repair
Brake Repair
Check Engine Light
Clutch Repair
Diagnostics
Electrical Repair
Engine Repair
Factory Maintenance
Leak Repair
Oil Change Service
Smog Testing
Suspension Repair
Tire Service
Transmission RepairNo matter what your car needs, our friendly staff has you covered with a commitment to award-winning quality & top-notch customer service.
When it comes to taking care of your car, Louden Motorcars uses the latest factory-grade tools & equipment available so that we can provide specialist level services for all models of:
On a BMW we start with cooling and oil. Plastic-impeller water pumps, the thermostat, the valve-cover gasket that weeps onto a hot exhaust manifold and pushes burnt-oil smell through the vents. On the N20 and N26 four-cylinders, timing chain guides. We pull the fault memory before quoting anything.
A MINI is BMW underneath. But the packaging is unforgiving: Cooper S thermostat housings crack and push coolant out the front of the engine, and clutches wear early in the stop-and-go between Northwest Highway and Walnut Hill Lane. Small car, same factory-grade tooling.
Mercedes work here runs to suspension, seals and modules. An Airmatic strut that leaves the car sitting low overnight is a leak inside a closed system, and finding it takes a scan tool that talks to the level sensors rather than a mechanic's hunch. Oil cooler seals are the other regular. They seep, not gush.
→ Mercedes-Benz repair and maintenance
Porsche is a cooling and ignition story more than an engine one. Coolant pipes, the ignition lock that quits with the key already turned, water pump impellers on the 996 and 997 — those are the calls that come in. Get it here before you drive it hot.
Factory-scheduled maintenance is the cheapest work we do. Modern BMW and Mercedes cars set their own service intervals from oil condition and driving load, which works fine until a car doing short Preston Hollow errands goes eighteen months on the same sump. Short trips never cook the moisture out. We keep the interval honest.
→ factory-scheduled maintenance
A check engine light is a data question. Steady amber means read the code and plan the repair; a flashing light means stop driving, because a misfire dumping raw fuel will take the catalytic converter with it. It might be the gas cap. Usually it isn't.
Bosch named this shop an Authorized Service Center in 1986. That means factory-level diagnostic software and Bosch training on the hardware Bosch actually builds — direct injection, the ABS and stability modules, the sensors behind half the codes we read in a given week. Louden was also the first shop in Dallas to earn the ASE Blue Seal of Excellence, and the facility has held it more than fifteen years. Technicians carry Master and Advanced-level ASE certifications. A 2-year/24,000-mile warranty is available on the work. Ask for it.
Our auto repair shop was the first one in Dallas to obtain an ASE Blue Seal of Excellence for our facility and services. With a team of mechanics who have both Master and Advanced performance certifications, we're equipped to handle all your luxury vehicle maintenance and repairs. Fully insured by ZURICH for your protection, we are proud to work with your extended warranty and service contract providers to deliver the best possible outcome. Rated the "Best Shop in Dallas," "Best in Texas," and one of the "Top 10 Shops in the U.S.," we ensure that no matter what issue your car faces, we'll provide in-depth diagnostics, thorough repair services, and excellent results. You can always count on our expert mechanics to solve any of your automotive problems.
Louden Motorcar Services, Inc. — 11454 Reeder Road, Dallas, TX 75229, off Harry Hines Boulevard near Royal Lane.
Mon–Fri, 7:30 AM to 5:30 PM. Closed Saturday and Sunday.
Tell us the symptom, the model year and the mileage when you book, and the right diagnostic gear and a plan will be waiting before the car ever goes up on the lift. Same shop since 1977.
No. Four marques, on purpose. Keeping the list short is what lets one shop carry the factory tooling, the parts knowledge and the failure history for all four instead of guessing its way across twenty badges.
No. Federal law lets an independent shop perform scheduled maintenance without voiding a factory warranty, as long as the work follows the manufacturer’s schedule and gets documented. We document all of it.
Yes. Early-bird and after-hours drop-off and pick-up are both available, and 24-hour towing can bring the car in if it won’t start at all. Regular hours run Monday through Friday, 7:30 AM to 5:30 PM.
It certifies the shop, not one person. A Blue Seal facility has to keep a required share of its technicians ASE-certified across the systems it services, then re-qualify to keep the seal. Louden earned it first in Dallas.
We test on site. If your car fails, you are already standing in the shop that diagnoses and repairs the cause, which saves a second trip across town during renewal month.
Louden Motorcar Services, Inc.
11454 Reeder Road, Dallas, TX 75229
Mon To Fri: 07:30 AM – 05:30 PM
Sat - Sun: Closed
Call today for an appointment: 972-241-6326
Theresa - theresa@loudenmotorcars.com
Jon - jon@loudenmotorcars.com
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