By Ingrid Johnson


Earlier this week, the EPA decided to lower the fuel-economy miles per gallon rating for the 2012 BMW 328i eight-speed automatic. BMW is not terribly pleased that the regulator reduced the grade after conducting its own battery of tests..

Decreased both highway and city

Last week, the 2012 BMW 328i automatic was reaching 24 mpg city and 36 mpg on the highway. Not, it only gets 23 and 33 after the EPA ordered BMW to change the miles per gallon.

Tests done by EPA

Every car maker does a lot of tests that the EPA needs to figure out what the fuel economy rating is for the vehicle. Sometimes the EPA does a second test just to make sure while other times it will just accept the automakers' numbers. After doing its own test, the EPA decided that the BMW car needed a decrease.

Most not analyzed

According to Car and Driver magazine, only about 15 percent of all automobile models sold in the U.S. get the personal treatment from the EPA testers.

Enormous drop

Typically, when the EPA makes a change to a fuel economy rating, it is not that low. This is something that BMW said surprised it. It is a massive drop when the rating drops by three mpg. Minor changes were expected, as the fine print disclaimer states it will do.

What you need to know about BMW 238i

An eight-speed transmission - operated by paddle shifters in the steering wheel - can be found in the 2012 BMW 328i. It also gets 260 lb-ft of torque with its 2.0 liter turbocharged four-cylinder 240 horsepower motor.

Standards for the EPA

With an EPA fuel-economy test, an indoor track is used with controlled conditions and constant variables, including the type of fuel used. The vehicle is put through tests in five different ways including highway, aggressive highway, cold city, hot city and city. The original test was done in Munich by BMW.

Expect lower rating to stay

The lower rating should be anticipated to stay for the 328i automatic, as BMW cannot retest the car until its 2013 design comes out. The six-speed manual shift version still has a fantastic 23/24 rating.




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