12D = body build date = December 1966, fourth week
BF = Fremont, CA Fisher body plant
766 = body plant sequence number
B80 and B90 are options codes, I think they are for exterior trim mouldings
8901 020139 is a batch code. Batch codes were used by some body plants, like Fremont, to group option codes. There isn't anyway to decode the batch numbers.
The VIN for your car should be of the format 435697Z1XXXXX, where:
43569 = Special Deluxe, 4-door thin pillar sedan
7 = 1967
Z = Fremont, CA
1XXXXX = sequence number unique to car (starting at 100,001 for cars with V8 engines at each plant)
Last edited by Buford26; 03-06-2013 at 12:53 PM.
Sean Smith
BCA# 42746
MBCC# 2122
SAH# 4186
Buickman Award 2015
1957 Special 4-door Riviera (hardtop) model 43
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