AC SYSTEM REPAIR + SERVICES
BMW & MINI AC Service & Repair in Metro Atlanta
Don’t let a weak A/C ruin your drive, especially in Georgia’s scorching summers and muggy afternoons. Bimmer’s Service Center specializes in BMW and MINI air conditioning repair, using brand-specific tools and diagnostics to fix the issues generic shops often miss. Whether it’s weak airflow, odd smells, or complete system failure, our technicians have the knowledge, equipment, and parts to restore your cabin comfort the right way.
With 3 locations in Roswell, Kennesaw, and Decatur, we help BMW & MINI owners across Alpharetta, Sandy Springs, Marietta, Johns Creek, Brookhaven, Duluth, Woodstock, and beyond stay cool year-round.
Common AC Problems in BMW & MINI Models
From subtle performance loss to total failure, we’ve seen it all. Some of the most frequent A/C issues we diagnose and repair include:
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Low or no cold air even when the fan is blowing
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Intermittent cooling or changes in air temperature
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Strange smells or mold from cabin vents
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Clicking or knocking noises from inside the dash
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Blower fan failure or reduced air pressure
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Compressor not engaging or short cycling
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BMW iDrive errors or “A/C Inactive” warnings
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Failed blend doors, actuators, or climate control modules
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Refrigerant leaks, blocked lines, or faulty sensors
We have extensive experience with BMW models like the 3 Series (E90, F30, G20), 5 Series (E60, F10, G30), 7 Series (F01, G12, G70), X1 (E84, F48, U11), X3 (F25, G01, G45), X5 (E70, F15, G05), X7 (G07) and MINI Coopers. A/C systems. We can diagnose and repair multi-zone A/C systems with mechanical issues, iDrive calibration faults, or sensor-related A/C shutdowns.
How We Diagnose Your AC System
Every BMW and MINI is different, and so is every A/C issue. That’s why we approach diagnostics with a tailored, model-specific process. Whether your system isn’t cooling, the fan is unresponsive, or you’re seeing a fault on iDrive, we use a combination of:
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Visual inspections to assess core system components like compressors, lines, and cabin filters
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Advanced ISTA software to read live data, pinpoint electrical faults, and identify stored A/C-related trouble codes
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Refrigerant pressure analysis to spot leaks, blockages, or over/under-charged systems
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Component-level testing for actuators, blend doors, fan motors, sensors, and control modules
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Interior temperature variance checks to verify airflow, cooling speed, and cabin climate consistency
No matter the issue, we zero in fast and give you a clear diagnosis. No guesswork, no unnecessary replacements.
AC Repairs & Services We Handle
Once we diagnose the root cause, we’ll walk you through a clear repair plan using OEM or BMW-approved parts, no surprises.
Our technicians routinely repair:
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Refrigerant recharges (R-1234yf & R-134a systems)
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Compressor replacements
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Expansion valves, driers & A/C lines
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Blower motors, resistors & fan assemblies
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Cabin air filters (including carbon-activated filters)
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Evaporators & condensers
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Climate control module resets & iDrive calibrations
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System leaks, re-seals & performance issues
Whether your A/C just isn’t blowing cold or has a full system failure, we’ll get it fixed with precision and restore your comfort fast.
Why AC Maintenance Matters in Georgia
Summers in Georgia are no joke and your BMW or MINI’s A/C system does more than just keep things cool. These vehicles use advanced, sensor-driven climate control systems that manage temperature, humidity, airflow, and even air quality. When something goes wrong, small issues can spiral into major repairs if ignored.
Low refrigerant can overwork the compressor, clogged filters can reduce airflow, and electrical faults in climate modules or iDrive systems can affect more than just comfort, they can impact your car’s electronics and driving experience.
We help BMW owners in Roswell, Kennesaw, Decatur, Marietta, Alpharetta, Sandy Springs, and beyond stay ahead of the heat with expert diagnostics, factory-grade parts, and repairs you can count on.
Ready for Reliable AC Performance?
Don’t let a faulty A/C system ruin your drive. Whether it’s blowing warm air, cycling on and off, making strange noises, or showing iDrive climate errors, Bimmer’s Service Center is here to help. We provide precise diagnostics, transparent quotes, and BMW-trained technicians who get the job done right the first time, backed by a warranty you can trust.
We proudly serve Roswell, Decatur, and Kennesaw, and are trusted by drivers across Alpharetta, Marietta, Sandy Springs, Smyrna, Buckhead, Dunwoody, Chamblee, Johns Creek, Brookhaven, Norcross, Suwanee, Vinings, East Cobb, Avondale Estates, Tucker, Stone Mountain, Mableton, Powder Springs, Acworth, Woodstock, and more.
Whether you need a simple refrigerant recharge or a full A/C system rebuild, our team is ready to keep your BMW or MINI cool, quiet, and comfortable, just like it should be.