BMW X5: Rocker Arm With Bearing Mount
REMOVING AND INSTALLING/REPLACING ALL CAM FOLLOWERS (N52K)
Special tools required:
- 11 4 480
Necessary preliminary tasks:
- Remove cylinder head cover
- Remove intermediate lever
- Remove exhaust camshaft
IMPORTANT: Rocker arms (1) are divided into bearing categories.
The tolerance classes are marked according to the picture in numbers from 1 to 5.
Already used rocker arms (1) may only be reused in the same position.
Detach cam followers (1) from HVCA element and remove.
Set down all cam followers (1) in neat order in special tool 11 4 480.
Installation:
Before installing exhaust camshaft or intermediate levers, make sure cam followers (1) are correctly seated.
Fig. 207: Cam Follower Seat
Remove HVCA element (1) in direction of arrow.
Installation:
If the HVCA elements (1) are reused, they must be placed together with the cam followers in neat order in special tool 11 4 480.
Fig. 208: Removing HVCA Element
Assemble engine.
Check function of DME; if necessary, readjust uniform mixture distribution.
READ NEXT:
Valves With Springs
REMOVING AND INSTALLING/REPLACING ALL VALVES (N52K)
Special tools required:
11 4 480
Necessary preliminary tasks:
Remove cylinder head
Remove intermediate lever
Remove eccentric shaft
Remove i
Removing And Installing/Replacing Eccentric Shaft (N52K)
Special tools required:
11 4 481
Necessary preliminary tasks:
Remove cylinder head cover
Remove intermediate lever
If necessary, move eccentric shaft (1) on twin surface to minimum lift (2).
F
SEE MORE:
Removing And Installing/Replacing Outer Cover On Left Or Right Front Seat
(Normal/Semi-Electric)
Pull lever forward to remove:
If necessary, lever out lower locking point (1) from rear with a
screwdriver.
Release screw (2).
If necessary, move seat fully forwards and upwards.
Fig. 4: Releasing Screw And Locking Point
Remove trim:
Unclip at top edge
Unclip at rear towards top side
Pull
Replacing Exhaust Camshaft Pulse Generator (N52, N52K, N51, N53)
IMPORTANT: Read and comply with notes on protection against
electrostatic damage (ESD
protection).
Necessary preliminary tasks:
Read out fault memory of DME control unit; if necessary, work through
test schedules
If necessary, remove radiator cover
Unlock plug (1) and remove. Release bolt.
R
