Taken from BMW M Registry:
How many of each version were produced?
ECE (non-catalyst): 5,187 produced from 03/86 through 08/89
ECE (catalyst/195 hp): 3,544 produced from 05/86 through 05/89
ECE (catalyst/215 hp): 1,914 produced from 09/89 through 12/90*
NA (catalyst): 5,300 produced from 03/87 through 12/90
ECE Evolution I (non-catalyst): 505 produced 02/87 through 05/87**
ECE Evolution II (non-catalyst): 501 produced from 03/88 through 06/88
ECE Sport Evolution (catalyst): 600 produced from 12/89 through 03/90
ECE Europa Meister 88 (catalyst): 148 produced from 10/88 through 11/88
ECE Johnny Cecotto (catalyst): 480 produced from 04/89 through 07/89
ECE Roberto Ravaglia (catalyst): 25 produced in 07/89
* includes the Swiss E30 M3 Cecotto edition
**includes the French E30 M3 "Tour de Corse" edition
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E30 M3 FAQ
These were the ones that have plaques on them:
Evolution II
Sport Evolution
Europa Meister 88
Johnny Cecotto
Roberto Ravaglia
an example of SE's plaque, but SE's plaque were never numbered
