M50 / S50 / M52 / S52 Camshaft Data

M52 Intake Cam Known Specs

Markings Base Circle Lobe Height
E 6 BMW 1703890 G GC0982 3 98 1.496" 1.850"
E R3 BMW R 890G F8 8 1.495" 1.846"

M52 Exhaust Cam Known Specs

Markings Base Circle Lobe Height
A 6 BMW 1703891 G GC0983 44 98 1.496" 1.850"
A 6 BMW 1703891 G GC0983 8 98 1.497" 1.849"

S52 Intake Cam Known Specs

Markings Base Circle Lobe Height
E R1 BMW R 178F K8 4 1.495" 1.897"
E R1 BMW R 178F L6 N 1.495" 1.898"

S52 Exhaust Cam Known Specs

Markings Base Circle Lobe Height
A R3 BMW R 391G K8 2 1.495" 1.875"
A 3 BMW 1703891 F GC0983 25 97 1.494" 1.875"