Over the years Prussian Motors has done a lot of research to ensure our fitment information is accurate. We have compiled a list of some of the helpful resources we have found over the years. We hope this list saves a fellow enthusiast like yourself some time and frustration. (Prussian Motors has no affiliation with any of the companies in this list). 

BMW Resources

VIN Decoders

Mdecoder.com

Outvin.com (Paid)

Bimmer.work

Wheel Identification

http://www.bmwstylewheels.com/

Part Number Look Up

Realoem.com

Bimmercat.com

Bimmer.work

Recall Look Up / 7-17 VIN

https://www.bmwusa.com/safety-and-emission-recalls.html (Can also be used to convert 7 digit vins into the full 17 digits)

Chassis / Model / Year Identification

https://www.bimmerworld.com/About-Us/BMW-Chassis-Engine-Codes/#5series

Option Codes

http://www.zhpmafia.com/forums/showthread.php?169-BMW-Option-Codes

Upholstery Codes

https://www.bimmerforums.com/forum/showthread.php?1970195-BMW-Upholstery-amp-Interior-Codes

Acronyms

https://www.bmwsections.com/info/abbreviations.php

Part Specs

Rods: https://pauter.com/parts/rods/bmw/

Differentials: https://metricmechanic.com/wp-content/uploads/2015/10/Differentials.pdf

Differential Ring Gears: https://srs-concept.com/bmw-differentials-gear-set-easy-identification/

Vanos: https://bimmers.com/blog/bmw-vanos-explained-what-it-does-why-it-fails-and-how-to-fix-it/

DIY Repair Articles

Pelican Parts: https://www.pelicanparts.com/support/tech_article_directory.htm