Quote:
Originally Posted by Theodore
Updates and corrections for Original Equipment (OE) Equivalents (Thanks Davisca455):
BMW E9X M3 A/C Belt Tensioner Pulley Only = INA 5320557100
BMW E9X M3 Alternator Belt Tensioner Pulley Only = INA 5320342100
Built before 4/29/08 BMW E9X M3 deflection pulley (aka idler pulley) = INA 5320418100
Built on or after 4/29/08 BMW E9X M3 deflection pulley (aka idler pulley) = Only available from BMW 11287841531
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Did some searching and believe I found the INA version of the later deflection pulley (after 4/29/08) BMW 11287841531:
INA 11287535860, 5320512100, FP05121
FCP:
https://www.fcpeuro.com/products/bmw...em-11287535860
I was able to cross reference this with the Duralast 231163 and Dayco 89163, which is a replacement for BMW 11287535860 pulley that others mentioned worked for them. I prefer sticking with the INA pulley and this fits the bill.
Will confirm in a few weeks hopefully: