BMW Chassis e/f/g Designations

 1 SERIES
2004-2011 – e81 (3-door hatchback)
2004-2011 – e82 (coupe)
2004-2011 – e87 (5-door hatchback)
2004-2011 – e88 (2 door convertible)
2012-NOW – f20 (5-door hatchback)
2012-NOW – f21 (3-door hatchback)

2 SERIES
2013-NOW – f22 (coupe)
2013-NOW – f23 (convertible)
2016-NOW – f87 (///M coupe)

3 SERIES
1976-1983 – e21
1984-1991 – e30 (convertibles produced in 1992 also fell into this category)
1992-1999 – e36
1999-2006 – e46 (some sedans were produced in 1998)
2006-2011 – e90 (sedan), e91 (wagon)
2007-2011 – e92 (coupe)
2007-2013 – e93 (convertible)
2012-2015 – f30 (sedan)
2016-NOW – f30 LCI (sedan, facelift)
2012-NOW – f31 (wagon)
2014-NOW – f34 (gran turismo)
2015-NOW – f80 (///M sedan)

4 SERIES
2014-NOW – f32 (coupe)
2014-NOW – f33 (convertible)
2015-NOW – f36 (gran coupe)
2015-NOW – f82 (///M coupe)
2015-NOW – f83 (///M convertible)

5 SERIES
1974-1981 – e12
1982-1988 – e28
1989-1995 – e34
1996-2003 – e39 (*there was no official 5 series sold as a 1996 in the US Market)
2004-2010 – e60 (sedan), e61 (wagon)
2009-NOW – f07 (gran turismo)
2010-NOW – f10 (sedan), f18 (sedan; Chinese market only)
2011-NOW – f11 (wagon)

6 SERIES
1976-1989 – e24
2004-2010 – e63 (coupe), e64 (convertible)
2011-NOW – f13 (coupe)
2012-NOW – f12 (convertible)
2013-NOW – f06 (gran coupe)
2017-NOW – g14 (cabrio)
2017-NOW – g15 (coupe)
2017-NOW – g16 (gran coupe)

7 SERIES
1977-1986 – e23
1986-1994 – e32
1994-2001 – e38
2002-2008 – e65 (standard wheelbase/ ‘i’)
2002-2008 – e66 (extended wheelbase/ ‘il’)
2009-NOW – f01 (standard wheelbase/ ‘i’)
2009-NOW – f02 (extended wheelbase/ ‘il’)
2010-NOW – f03 (f01/f02 Protection versions)
2010-NOW – f04 (ActiveHybrid 750i & 750Li sedans)
2016-NOW – g11 (standard wheelbase/ ‘i’)
2016-NOW – g12 (extended wheelbase/ ‘il’)

8 SERIES
1989-1999 – e31

i SERIES
2014-NOW – i01 (i3 plug-in electric city car)
2014-NOW – i12 (i8 plug-in hybrid sports car)

X1
2016-NOW – f48

X2
2016-NOW – f47

X3
2003-2010 – e83
2011-NOW – f25

X4
2014-NOW – f26

X5
2000-2006 – e53
2006-2010 – e70
2010-2013 – e70 LCI
2014-NOW – f15
2015-NOW – f85 (///M)

X6
2008-NOW – e71
2015-NOW – f86 (///M)

Z3
Z3 – e36 (same as 3 series, sometimes referred to as an e36/7 or e36/8)

Z4
2002-2008 – e85 (roadster), e86 (coupe)
2009-NOW – e89

Z8
1999-2003 – e52

*LCI : Life Cycle Impulse / ‘facelift’ update