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      01-23-2013, 09:27 AM   #1
vbbuilt
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Model designators?

Since I'm new to the BMW world, I'm still trying to figure out what all the model numbers and designators mean.

I understand what X1, X3, X5, X6 are, plus the 1, 3, 5, 6, 7, Z4, and M, as shown on the BMW USA website.

But what does E84, F20, E87, E92, F12, etc come from? Is there a guide? Why is "X1" used in some instances and "E84" used at other times?

Confused!
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      01-23-2013, 09:41 AM   #2
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Originally Posted by vbbuilt View Post
Since I'm new to the BMW world, I'm still trying to figure out what all the model numbers and designators mean.

I understand what X1, X3, X5, X6 are, plus the 1, 3, 5, 6, 7, Z4, and M, as shown on the BMW USA website.

But what does E84, F20, E87, E92, F12, etc come from? Is there a guide? Why is "X1" used in some instances and "E84" used at other times?

Confused!
LOL! Welcome to the ever-expanding BMW model line. There used to be rhyme and reason to the model designators; now, not so much.

Anyway, the Exx and Fxx numbers are the body style numbers (chassis codes). Enthusiasts (such as those on this forum) use the body style because it is a more accurate description of what you are driving. The same model number can span body styles. For example, the 328 could mean the one built in 1937, 1999 or 2012. Plus, it doesn't tell you if its a wagon, a coupe or a convertible...


The menus for each of the forums give you the body numbers for the models. Wikipedia gives a pretty good breakdown of most of the models and their chassis histories, too.
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      01-23-2013, 09:53 AM   #3
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So what is the Exx for a 2013 X1 35i?
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      01-23-2013, 10:08 AM   #4
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So what is the Exx for a 2013 X1 35i?
The X1 is a new model that has only had 1 chassis code: E84
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      01-23-2013, 10:10 AM   #5
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E84. All X1's of the current generation share that chassis code, regardless of the engine/drivetrain fitted. That's why you will see people refer to things like "E84 35i xDrive" or "E84 28i sDrive" to designate chassis, engine and drivetrain.

It's not really so much of an issue for the X1 where the model name has only been in existence for a short period of time and only covers one body type (SUV/SAV), but for vehicles like the 3 or 5 series that have been through a number of chassis changes and have various body styles (sedan, coupe, wagon, convertible etc) it's more useful.
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      01-23-2013, 10:22 AM   #6
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Thanks for all the feedback! Makes more sense, now!

Vince.
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