Manuals through 2025 now available!
Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.
LEMON is the spiritual successor to CHARM, I recommend you try it!
Link:
lemon-manuals.la or
lemon-manuals.org.ua
(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)
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Spark Plug: Service and Repair
Replacing All Spark Plugs (M52, M52TU, S52, S50US, M54)Removing ignition coils.
Unscrew and remove
spark plugs with special tool 12 1 171 in conjunction with special tool 12 1 200.
Installation Note: If special tool 12 1 200 is not used, tightening torque,
Spark plugs (ungreased)
23 ± 3 Nm.
