The German repair manual from Bucheli for the E32 series has following info for the oil pressure
for the M30B30 and M30B35
oil pressure in idle 0.5-2.0 bar
oil pressure at max RPM 4.0-6.0 bar.
radial tolerance outer rotor/pump housing 0.1-0.15mm
axial play
rotor/pump housing 0.04-0.1mm
space inner/outer rotor 0.12-0.20mm
length of the over pressure spring without tension 68mm
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