Andrew Hottinger

BMW Losing Coolant? Common Coolant Leaks, Warning Signs & Cooling System Problems

BMW cooling system problems can start with something as simple as a low coolant warning, a strange smell, or a small amount of dried coolant under the hood. At The BMW Guy in San Marcos, we specialize in BMW maintenance, diagnostics, and repair, and coolant leaks are among the problems we regularly diagnose and repair.

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BMW and MINI technician performing a pre-purchase inspection

Pre-Purchase Inspection: Is It Worth It When Buying a Used Car?

Buying a used car always involves some uncertainty. You can review the service history, take a test drive, and look over the vehicle carefully, but there are limits to what you can learn without putting the car on a lift and connecting professional diagnostic equipment. That’s where a pre-purchase inspection, or PPI, comes in. A

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Do Electric Vehicles Really Require Maintenance? What Every EV Owner Should Know

Less Maintenance Doesn’t Mean No Maintenance Quiet. Smooth. Powerful. That’s how most people describe electric vehicles. Many people would also describe them as maintenance-free. That’s one of the biggest misconceptions surrounding EV ownership. While electric vehicles eliminate oil changes, spark plugs, fuel filters, and several traditional engine services, they still require scheduled maintenance and regular

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Toyota GR Supra and INEOS Grenadier

Toyota GR Supra (2020–Present) and INEOS Grenadier: BMW Engineering Explained

Toyota GR Supra (2020–Present) and INEOS Grenadier have something in common that surprises many owners—they’re both powered by BMW engineering. The Toyota GR Supra was co-developed with BMW and shares its platform, engines, electronics, and transmission with the BMW Z4.  The INEOS Grenadier was designed from the ground up to be a rugged off-road SUV,

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The Shop Sign Stayed the Same. Trust Had to Be Earned Again – The BMW Guy in San Marcos

When an auto repair shop changes hands, the sign out front usually stays right where it was. But the reputation doesn’t transfer automatically with the keys. The BMW Guy changed ownership in September 2025. California native, Andrew Hottinger, took over, bringing a BMW dealership background with him. But none of that — the experience, the

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The BMW Guy logo

You Don’t Need to Know Your MINI or BMW. You Need to Know Your Mechanic | San Marcos, CA

Most people don’t dread car repairs because of the repair itself. They dread the conversation that comes with it. Is this actually broken? Do I really need this? Am I paying too much? Would they be telling me the same thing if I seemed like I knew more about cars? The internet’s favorite advice for

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MINI Maintenance Questions Answered by a MINI Specialist in San Marcos

If you’ve spent any time on Reddit trying to figure out what it’s actually like to own a MINI, you’ve seen the same questions come up again and again. Maintenance costs. Oil change intervals. Best model years. Whether the dealer service plan is actually worth it. The answers are all over the place — some

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