Social Media Reference sites
Informative/Technical Sites
BMW M Registry - Enthusiasts Info Resource site
mdecoder - VIN # decoder (FULL)
RealOEM - THE place to check part numbers
Leebmann24 - German part number look up alternative
BMWFans.info - Alternative part number check
VIN number check - Vehicle data checker
Performance Parts & Services Sites
Location - UK
AP Motorsport - Partridge Green, Sussex
AR Performance - Kings Lynn, Norfolk
Hack Engineering - Barcombe, Sussex
Reyland Motorsport - Redditch, Birmingham
Location - ????