1305002
hot street - dirt track
Bmw N54 306hp, vanos in+ex, biturbo
I-6cyl 3.0L 24v DOHC
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intake
exhaust
camshaft data:
lash ramp
: hydro
hydro
duration @ 0.1mm
: 274°
270°
duration @ 1.0mm
: 224°
220°
valve lift
: 10.50mm
10.25mm
cam lift
: 6.35mm
6.20mm
lobe angle
: 125° (70°)
130° (85°)
timing @ 1.0mm
: -13° / 57°
60° / -20°
valve lift @ TDC
: 0.15mm (6.19mm)
0.20mm (4.03mm)
parts setup:
cam wheels :
:
:
follower
: O.E.M.
: O.E.M.
valve lash
: O.E.M.
: O.E.M.
valve
: O.E.M.
: O.E.M.
valve locks
: O.E.M.
: O.E.M.
upper retainer
: O.E.M.
: O.E.M.
lower retainer
: O.E.M.
: O.E.M.
exterior spring
: O.E.M.
: O.E.M.
interior spring
fitted load / length
: 27kg @ 37.5mm
: 30kg @ 35.7mm
max. load / lift
: 63kg @ 11.0mm
: 63kg @ 10.5mm
REMARKS :
REMARKS :
#
The VANOS (VVT) system on the intake camshaft changes the PD from 125° to 70°. The data are shown for full intake retard (disengaged VVT).
The VANOS (VVT) system on the exhaust camshaft changes the PD from 130° to 85°. The data are shown for full exhaust advance (disengaged VVT).
#
Check distance between valves and piston to be 1mm at least with VVT engaged. Wrong installation will cause severe engine damage!
#
ECU reprogramming advised