PeteJK - is your car a J spec? The only car I have seen with the second alternator setup was a J-Spec car from Canada.
Originally Posted by
petejk
bdiefAZ - I originally had an R12 compressor which I replaced with an R134a part.
The pulley size is definitely different. From what I have seen, some compressors for the E31/32 have the regular pulley size (no provision for 2nd alternator belt), whereas some do.
My R12 compressor did not, but my R134a compressor does have the extra ribs for the second belt.
What I do know is that the pulley that has the additional ribs for the 2nd alternator belt is larger in diameter.
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Regards,
Brian
Cave Creek, AZ
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