In Europe, there are a number of strange powertrain combinations for each vehicle. A BMW 3 Series, which has a grand total of four engines in the US market (five if you count the ActiveHybrid), can be fitted with everything from the 3.0-liter, turbocharged six-cylinder we get here to a microscopic, fuel-sipping, diesel-powered four-cylinder in Europe. And don't for a minute think this is unique to BMW.
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