BMW MODEL CODES AND TYPES
E21 3 SERIES 77-82
E23 7 SERIES 77-86
E24 6 SERIES 78-89
E30 3 SERIES 82-90
E31 8 SERIES 89>
E28 5 SERIES 81-88
E32 7 SERIES 87-94
E34 5 SERIES 88-95
E36 3 SERIES 91-97
E38 7 SERIES 95>
E39 5 SERIES 96>
E46 3 SERIES 98>
Z3 99>
X5 01>
BMW ENGINE TYPES & CODES
Code Size Years
M10 4 CYLINDER 1.6/1.8 77-87
M20 6 CYLINDER 2.0/2.3/2.5 82-90
M30 6 CYLINDER 2.5/2.8/3.0/3.5 81-92
M40 4 CYLINDER 1.6/1.8 88-92
M42 4 CYLINDER 1.8 16v 88-92
M43 4 CYLINDER 1.8 93-96
M50 6 CYLINDER 2.0/2.3/2.5 88-96
M51 6 CYL DIESEL 2.5 94>
M60 V8
M70 V12
M44 4 CYLINDER 1.8 96>
M52 6 CYLINDER 2.0/2.3/2.5/2.8 96>