BMW 7 Series: Cooling System

 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 central bolt to grip the hexagon head of the respective camshaft. (cylinder bank 5 to 8) Necessary pre

 (Safety) Information On AGM Battery

Fig. 188: Identifying AGM Battery Introduction In September 2002, the first so-called VRLA batteries, better known as AGM batteries came into use. (VRLA means V alve R egulated L ead A cid, i.e. lead acid battery with pressure relief valve; AGM stands for A bsorbent G lass M at, i.e. absorbent gl