MINI Service & Repair
Factory-level service and Dinan performance for your Mini — Cooper, Cooper S, JCW, Clubman, Countryman, and Convertible — by German-trained, ASE-certified technicians. Authorized Dinan dealer serving the Inland Empire and San Diego County.
Complete MINI Care
Whether you drive a Cooper, Cooper S, JCW, Clubman, Countryman, or Convertible, we provide dealership-quality service and Dinan performance without the dealership price tag.
A/C & Heater Repair
Climate control diagnosis and repair to keep your Mini comfortable in every condition.
Computer Diagnostics
Dealer-level scan tools to accurately read fault codes across your vehicle's electronic systems.
Oil Change
Full-synthetic oil and filter service using the correct Mini/BMW Longlife-approved specifications.
Brake Repair
OEM-quality brake service — including JCW and performance upgrades — to restore Mini braking performance.
Electrical System Repair
Battery, charging, infotainment, lighting, and electronics service for modern Minis.
Performance Installation
Authorized Dinan performance upgrades for Mini — tunes, suspension, intakes, exhausts — professionally installed.
Transmission Repair
Service and repair for Mini transmissions — automatic, CVT, and manual gearboxes.
Cooling System Service & Repair
Coolant flushes, radiator, water pump, and thermostat service to prevent overheating and engine damage.
Engine Diagnostics
Pinpoint check-engine, performance, and drivability issues with Mini/BMW factory-level diagnostic tools.
Steering & Suspension
Suspension and steering repair — including JCW sport suspension — to restore proper Mini handling and feel.
BG MVP2 Fluid Exchanger
Our cooling system service is performed with the BG MVP2 Fluid Exchanger for a more thorough coolant exchange than a standard drain-and-fill — helping protect your Mini engine against corrosion and overheating.
KNOW YOUR VEHICLE
Common MINI Issues We Fix
Minis are fun and characterful, but certain platforms and engines develop predictable issues as they age. Here’s what we see most often.
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1
Timing Chain & Tensioner Failures (N14 / N18 engines)
The Prince engines (2007–2016 Cooper S and JCW) are notorious for timing chain rattle, tensioner failure, and stretched chains — a known issue we diagnose and address before catastrophic damage.
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2
Carbon Buildup on Intake Valves
Direct-injection Mini engines (N14, N18, B38, B46, B48) accumulate carbon on the intake valves — we walnut-blast clean it to restore lost power and smooth running.
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3
Oil & Coolant Leaks
Valve cover gaskets, oil filter housing gaskets, and water pumps are common leak points across the Mini lineup — proactive replacement prevents bigger downstream damage.
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4
Thermostat & Water Pump Failures
Electric water pumps and plastic thermostat housings fail predictably on Mini engines — replacement before they fail outright prevents overheating and head damage.
MINI Maintenance & Condition Based Servicing
Mini uses Condition Based Servicing (CBS), inherited from BMW — your car tracks driving conditions and tells you when each service is due. Here's a general guide to what those services include.
- Mini/BMW Longlife synthetic oil & filter
- Visual under-vehicle inspection
- Fluid level top-off
- CBS reset
- Cabin microfilter replacement
- Brake pad & rotor inspection
- Brake fluid replacement (~2 yr)
- Battery test & registration if replaced
- Comprehensive multi-point inspection
- Spark plugs (turbo engines sooner)
- Automatic transmission service
- Walnut-blast carbon cleaning (direct-injection)
- Suspension & bushing inspection
- Coolant flush & water pump check
- Differential fluid (sooner for ALL4, JCW, or track use)
- Transfer case fluid (ALL4 AWD)
- Belt, hose & cooling system check
Common Questions
Common questions we hear from Mini owners.
Will independent service void my Mini warranty?
No. The federal Magnuson-Moss Warranty Act protects your right to use an independent shop without voiding your factory warranty, as long as the work is done to manufacturer specifications using approved parts and fluids. We follow Mini specifications and document every service, so your warranty coverage stays intact.
Do you use OEM Mini parts?
Yes. We use OEM (Original Equipment Manufacturer) and OE-quality parts to maintain the build quality your Mini was designed for. For some repairs we'll offer upgraded alternatives — such as performance brakes, Dinan components (Mini is BMW-owned), or longer-life parts — but the default is always OEM unless you ask otherwise.
How do I schedule an appointment?
The fastest way is our online booking system — click "Book an Appointment" at the top or bottom of this page, and choose a time that works for you. Prefer to talk to someone? Call us at (951) 517-2697 during shop hours, Monday through Friday, 8 AM to 5 PM.
Ready to Service Your MINI?
Trust your Mini to a family-owned shop and authorized Dinan dealer that treats every car like its own. Schedule your appointment today.
Book an Appointment