11 31 015 Replacing right camshaft (M62 VANOS from 9/98): Installation
Installation of camshafts is described separately from removal.
Insert exhaust and inlet camshafts on cylinder bank 1 to 4.
Rotate exhaust camshaft until exhaust cam on cylinder 2 is facing upwards.
Rotate inlet camshaft until inlet cam on cylinder 1 is facing upwards.
Fit bearing caps.
Exhaust camshaft bearing caps are marked A1 to A5 from inlet side.
Inlet camshaft bearing caps are marked E1 to E5 from inlet side.
Tighten down bearing caps of camshafts on cylinder bank 1 to 4 in 1/2 turn increments uniformly from inside to outside.
Tightening torque, see 11 31 1AZ in ENGINE - TIGHTENING TORQUES - X5 4.6L .
Rotate camshafts until camshaft designation points upwards.
Attach special tool 11 2 445/11 2 441 to camshafts, cylinder bank 1 to 4.
If necessary, machine open-end wrench accordingly.
Align inlet and exhaust camshafts with open-end wrench in such a way that special tools 11 2 445/11 2 441 rest without a gap on cylinder head.
Attach special tool 11 2 443 to special tool 11 2 445/11 2 441 and secure with special tool 11 2 444 via spark plug thread.
E53 (X5)
Crank engine from 45° before TDC position in direction of rotation up to TDC position.
Hold crankshaft in TDC position with special tool 11 5 180.
Install distributor on right camshaft adjustment unit.
Install right camshaft adjustment unit.
Install timing case covers at top left and top right.
Install chain tensioning piston. See 11 31 090 INSTALLING AND REMOVING/REPLACING PISTON FOR CHAIN TENSIONER (M62) .
Install both cylinder head covers.
Assemble engine.