Comprehensive BMW 3 Series Repair and Maintenance at Tanner Motors near Phoenix

Giving a perfect blend of exhilarating performance, sophisticated comfort, and everyday usability, the 3 Series embodies a true performance and utility vehicle. However, this high-level, complex German engineering requires accurate repair and proper maintenance. Tanner Motors gives you top-notch BMW auto service for all your repair and maintenance needs of your BMW 3 Series car in Phoenix.

The BMW 3 Series features a rear-wheel-drive platform with xDrive all-wheel drive, a near 50/50 weight distribution, and responsive performance engines. Currently, the 3 Series lineup comprises the 3 Series Sedan and the M3 Sedan, with models such as the 330i, the M340i, and the 330e plug-in hybrid.

In addition to these, several 3 Series models are still around despite being discontinued. These include the 3 Series Coupe, Convertible, Wagon (also known as Sports Wagon), and Gran Turismo.

Common BMW 3 Series Malfunctions and Repairs around Phoenix

Coolant Leaks in BMW 330i

Symptoms such as a low coolant warning light on the dashboard, a sweet, syrupy smell of antifreeze in the cabin, or coolant puddles under the car indicate a coolant leak in the BMW 330i. The plastic and composite parts, like the upper radiator hose in the cooling system, after thousands of heat cycles, degrade and become brittle and cracked.

At our shop in Phoenix, our technician performs a pressure test on the cooling system to pinpoint the exact source of the leak. Upon finding the faulty plastic component, it is replaced with an upgraded aluminum flange for long-term durability. After repairs, the cooling system is then bled of air and refilled with BMW-specific coolant.

Valve Cover/PCV System Failure in BMW M340i

The PCV system failure causes increased oil consumption, a high-pitched whistling sound during idling, a rough idle, smoke from the exhaust, and fault codes related to engine ventilation. This happens due to the tearing of the diaphragm inside the Positive Crankcase Ventilation valve.

Using a BMW-specific scanner, our technicians run engine diagnostics to pinpoint the malfunction in the PCV valve. As the PCV system is part of the valve cover, the repair involves replacing the entire valve cover assembly. This is a labor-intensive job involving ignition coils, fuel injectors, and various sensor connections.

Window Regulator Failure Coupe Models

The window regulators on the Coupe models lift and lower the window glass. However, the long, heavy, frameless doors on coupes put significant stress on the plastic pulleys and steel cables within the regulator assembly, causing the components to wear out and eventually snap. This causes the window to drop into the door, get stuck, or move crookedly.

Technicians at our Phoenix shop remove the interior door panel to access the regulator. Then the entire regulator assembly is unbolted and replaced with a new OEM-made unit.

Why Choose Tanner Motors in Phoenix?

Tanner Motors is the premier auto service shop in Phoenix, specializing in European auto repair and maintenance. We provide comprehensive auto services, covering the repair and maintenance of all vehicle systems and modules.
Our technicians are ASE-certified and have received the latest factory training on European auto brands, providing high-quality repair and maintenance services for cars like the BMW 3 Series.
We utilize factory-grade and brand-specific diagnostic scanners, as well as advanced repair tools and software, to accurately diagnose and repair your BMW properly.
We make our repairs transparent and proceed with the repair only when you are comfortable with the diagnosis, making us a genuine alternative to costly dealerships.
We use genuine OEM-made or OEM-grade parts and components, as well as brand-specific fluids.
Located at 10221 North Cave Creek Road, we serve residents of Phoenix and its surrounding cities, including Cave Creek, Desert Ridge, Glendale, Moon Valley, Paradise Valley, Peoria, and Scottsdale, with their car repair and maintenance needs.

BMW 3 Series Frequently Asked Questions

How often should I replace the air filter in my BMW 3 Series?

BMW recommends replacing the air filter every 20,000 to 30,000 miles. However, this frequency increases when driving in dusty conditions. A clogged air filter can reduce engine performance and fuel efficiency; thus, check its condition frequently.

What type of oil is best for a BMW 3 Series?

BMW vehicles need brand-specific engine oil that is compatible with 3-series engines. Use synthetic oil meeting BMW Longlife-01 or Longlife-14+ standards, typically 0W-30 or 5W-30. The exact specification can be found in your owner's manual.

Why is my BMW 3 Series losing power?

Power loss in the engine can stem from various issues, including a clogged air filter, faulty spark plugs, a failing fuel pump, vacuum leaks, or problems with the turbocharger. A diagnostic scan using BMW-specific scanners can pinpoint the origin of the issue.

How often should the brake fluid be changed?

Brake fluid in BMWs is recommended to be changed every two years, regardless of the mileage covered. Brake fluid is a hygroscopic fluid and absorbs moisture over time. However, if you encounter brake issues, consult a professional and inspect the brake fluid condition.

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BMW 3 Series Repair & Service in Phoenix, AZ