Concept
The M2 CS Is Here, So Why Is BMW Still Testing Another One?

The M2 CS has already been revealed, which makes BMW's latest camouflaged prototype a little confusing. If everyone already knows what the car looks like, what exactly is the company trying to hid

AutoExpert
Others
That White Crust on Your Battery Is Not Dirt, and It Can Eventually Silence the Car

A car battery does not need to be completely dead to leave the car behaving as though it is. Sometimes the battery is charged and perfectly willing to work, but the electricity cannot get past the

AutoExpert
Others
Your EV Can Be Fully Charged and Still Be Defeated by Its Smallest Battery

An electric car is sitting in the driveway with 200 miles of range showing in the app. The large battery beneath the floor contains enough energy to move two tons of metal across an entire county.

AutoExpert
Others
Your Seat Belt Moves Freely Until You Tug It. Here Is What Happens Inside

Pull a seat belt slowly and it follows without complaint. Lean forward to adjust the radio and it gives you room. Tug it sharply, and the belt becomes rigid before moving another inch. Nothing el

AutoExpert
Tips & Tricks
Your Tire Pressure Rose on the Highway. Put the Gauge Down Before Letting Air Out

The sticker inside the driver’s door says 35 PSI. After an hour on the highway, the dashboard says 39. Four extra pounds of pressure sounds like a problem. The tires were set correctly that morn

AutoExpert
Others
Your Fresh Engine Oil Turned Black Already. Should You Be Worried?

Fresh motor oil is reassuring stuff. It pours from the bottle in a clear amber stream, looking clean enough to belong in a kitchen rather than an engine. A few hundred miles later, the dipstick can

AutoExpert
Others
Your Speedometer Says 70, but GPS Says 67. Which One Is Lying?

Set the cruise control to 70 mph and glance at the navigation screen. It may insist the car is traveling at 67. Increase the cruise setting to 71. GPS grudgingly moves to 68. The two displays can sp

AutoExpert
Others
Low Brake Fluid? Put the Bottle Down Until You Know Where It Went

The reservoir under the hood is sitting close to the minimum line. There is a bottle of brake fluid on the shelf. The obvious response seems to be pouring in enough fluid to bring the level back to &l

AutoExpert
Tips & Tricks
Buying Only Two New Tires? They May Belong on the Opposite End of Your Car

At the tire shop, the choice seems too obvious to question. The front tires on a front-wheel-drive car handle the steering, put the power down, and do most of the braking. They usually wear out first.

AutoExpert
Others
Those Nearly New Tires May Be Much Older Than They Look

A tire can look almost offensively healthy for its age. The tread grooves are deep. There are no nails in sight. The sidewalls still turn glossy after a wash, and the car has covered so few miles th

AutoExpert
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