BMW 7 Series: Replacing All Valve Stem Seals (N63)
Notes
IMPORTANT: Risk of damage to sealing lip on valve stem seal.
Fit new valve stem seals only when all valves have been installed.
Necessary preliminary work
- Remove all VALVE SPRINGS.
Press special tool 11 6 370 onto the valve stem seal.
Withdraw valve stem seal by turning and simultaneously unscrewing special tool 11 6 370.
.png)
Fig. 299: Pressing Special Tool 11 6 370 Onto Valve Stem Seal
Installation note: Lubricate valve stem with oil and insert valve.
Installation sleeve 116380 is included in the delivery specification for the valve stem seals.
Fit special tool 116380.
Coat new valve stem seal (1) with oil and install.
.png)
Fig. 300: Identifying Valve Stem Seal And Special Tool 11 6 380
NOTE: For use on the N63 engine, the special tool 11 6 380 must be remachined according to the sketch with a 6.2 mm drill bit dia. to a depth of A = approx. 45 mm.
This modification has already been taken into account for reordering.
.png)
Fig. 301: Identifying Special Tool (11 6 380)
Manually press on valve stem seal as far as it will go with special tool 11 6 380.
.png)
Fig. 302: Pressing On Valve Stem Seal
Assemble engine.
READ NEXT:
Adjusting Camshaft Timing On Left Side (N63)
Notes
IMPORTANT: Release central bolts on adjuster only with special tool 11 9
890.
Risk of damage to timing drive.
If special tool 11 9 890 can not be fitted, it is necessary when releasing the
ce
Adjusting Camshaft Timing On Right Side (N63)
Notes
IMPORTANT: Release central bolts on adjuster only with special tool 11 9
890.
Risk of damage to timing drive.
If special tool 11 9 890 can not be fitted, it is necessary when releasing the
ce
SEE MORE:
Body - Operating Fluids
1.0 SEALING COMPOUNDS
Seam Sealer, Sikaflex 221 may be used to seal adjoining sheet metal parts
which create creaking noises due to
interactive contact. High-adhesion, polyurethane-based, black-colored.
Sikaflex 221 Sealer
BMW Part No. 81 22 9 407 533
Other sealants for body panels are found in Gr
Initial Operation
Prior to using the system for the first time, the Bluetooth mobile phone
that is to be used must be paired with
the ULF control module. This pairing procedure is necessary in order to assign
the digital code of the mobile
phone to the ULF control module installed in the vehicle. The pairing proced
