Complete digital official shop manual contains service, maintenance, and troubleshooting information for the 1988-2007 BMW 525i, 525 xi, 525 iT. Diagnostic and repair procedures are covered in great detail to repair, maintain, rebuild, refurbish or restore your vehicle like a professional mechanic in local service/repair workshop. This cost-effective quality manual is 100% complete and intact as should be without any missing pages. It is the same factory shop manual used by dealers that guaranteed to be fully functional to save your precious time.
This manual for 1988-2007 BMW 525i, 525 xi, 525 iT is divided into different sections. Each section covers a specific component or system and, in addition to the standard service procedures, includes disassembling, inspecting, and assembling instructions. A table of contents is placed at the beginning of each section. Pages are easily found by category, and each page is expandable for great detail. It is in the cross-platform PDF document format so that it works like a charm on all kinds of devices. You do not need to be skilled with a computer to use the manual.
EXCERPT:
ENGINE Engine – Repair Instructions – N51, N52, N52K 6-Cylinder
33 ROCKER ARM WITH BEARING MOUNT/CAM FOLLOWERS
11 33 050 REMOVING AND INSTALLING/REPLACING ALL ROCKER ARMS (N52)
Special tools required:
11 4 480
Necessary preliminary tasks:
Remove Cylinder Head Cover.
Remove Intermediate Lever.
Remove Exhaust Camshaft.
Fig. 211: Identifying Rocker Arms
Detach roller cam followers (1) from HVC element and remove.
Set all roller cam followers down in special tool 11 4 480 in a tidy and orderly fashion.
Installation:
Before installing exhaust camshaft and intermediate lever, make sure roller cam followers are correctly seated.
Remove HVC element in direction of arrow.
IMPORTANT: Rocker arms (1) are divided into bearing categories.
The tolerance classes are designated as illustrated with numbers from 1 to 5.
Already used rocker arms (1) may only be reused in the same position.
Installation:
If the HVC elements are to be reused, set them down in special tool 11 4 480 in a tidy and orderly fashion with the roller cam followers.
Fig. 212: Identifying Roller Cam Followers
Assemble engine.
Check function of DME; if necessary, readjust uniform mixture distribution.
34 VALVES WITH SPRINGS
11 34 552 REMOVING AND INSTALLING OR REPLACING ALL VALVES (N52)
Special tools required:
00 3 580
11 4 480
Necessary preliminary tasks:
Remove Cylinder Head.
Remove Intermediate Lever.
Remove Eccentric Shaft.
Remove Inlet Camshaft.
Remove Exhaust Camshaft.
Remove Roller Cam Follower.
Remove Valve Springs.
Remove Valve Stem Seals.
Arrangement:
1. Valve
2. Valve stem seal with spring plate, bottom
3. Valve spring
4. Top plate spring
5. Valve tapers
If the valves are to be reused, set then down in special tool 11 4 480 in a tidy and orderly fashion.
Fig. 213: Identifying Valve Assembly Components
Then remachine valve seat if necessary.
All valves removed.
Use pilot no. 5.
Remachine valve seat with special tool 00 3 580.
Valve seat correction, see TECHNICAL DATA .
Fig. 214: Identifying Special Tool (11 9 001) And (00 3 580)
Assemble engine.
Check function of DME; if necessary, readjust uniform mixture distribution.
11 34 560 REPLACING ALL VALVE STEM SEALS (N52)
Special tools required:
11 6 370
11 6 380
Necessary preliminary tasks:
Remove Cylinder Head.
Remove Intermediate Lever.
Remove Eccentric Shaft..
Remove Inlet Camshaft.
Remove Exhaust Camshaft.
Remove Roller Cam Follower.
Installation:
Insert all Valves.
Firmly press special tool 11 6 370 onto old valve stem seals.
Detach valve stem seal from valve stem by turning and simultaneously pulling special tool 11 6 370.
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