BMW cam specs

M50B20NV – intake 240º, 9.7mm lift; exhaust 228º, 8.8mm lift
M50B25NV – intake 240º, 9.7mm lift; exhaust 228º, 8.8mm lift
M50B25TU – in 228º, 9.0mm; exh 228º, 9.0mm
M52B20TU – in 228º, 9.0mm; exh 244º, 9.0mm
M52B25TU – in 228º, 9.0mm; exh 244º, 9.0mm
M52B28TU – in 228º, 9.0mm; exh 244º, 9.0mm
M54B25 – in 228º, 9.0mm, exh 244º, 9.0mm
M54B30 – in 240º, 9.7mm, exh 244º, 9.0mm
S50B30US – in 252º, 10.2mm; exh 244º, 9.7mm
S50B30 – in 260º, 12mm; exh 260º, 12mm
S50B32 – in 256º, 9.7mm; exh 240º, 9.0mm
S52B30 – in 252º, 10.2mm; exh 244º, 9.7mm

M50NV intake cam to VANOS engine exhaust side – remove 2.2mm off the flange from the non-vanos intake cam. The exhaust cam is 62 degrees different from original tool, total by 101 deg.

BMW M50 hot-cam dialing timing:

Intake opens: 19 BTDC (9.5 degrees on the cam)
Intake closes: 41 ABDC (20.5 degrees on the cam)

Duration 19+41+180 = 240 degrees
Lobe Center ((41-19)/2+90)= 101 degrees ATDC

Exhaust opens: 35 BBDC (17.5 degrees on the cam)
Exhaust closes:13 ATDC (6.5 degrees on the cam)

Duration 35+13+180 = 228 degrees
Lobe Center (35-13)/2+90= 101 degrees BTDC

Timing for nonvanos intake cams in exhaust side
Exhaust opens: 41 BBDC (20.5 degrees on the cam)
Exhaust closes: 19 ATDC (9.5 degrees on the cam)

Duration 41+19+180 =240 degrees
Lobe Center (41-19)/2+90= 101 degrees BTDC

Part numbers & torque specs

Oil filter housing-to-cylinder block = 22Nm/16lbf ft

Oil filter bracket gasket 11421719855
Oil pan gasket 11131437237, 11139065875
Cam cover gasket 11129070990, 11120030496
Gearbox selector seal (15X21X5) 23121282394, 23121222677, 23128677736

BMW S50/S54 oil pump chain tensioner 11411317650 – this one can be used on M5X engines