BMW X5: Engine Mechanical Overview
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As far as the physical appearance and dimensions, the crankcase on the N54 is
the same as the N52. The main
change is in the materials, the N54 uses an all aluminum alloy crankcase. There
is also ca
Although, the N54 engine has an all aluminum crankcase, many of the bolts are
still aluminum as on the N52.
This is to reduce any potential confusion between steel and aluminum bolts.
Some bolts, fo
As stated before, the cylinder head cover used on all of the new NG6 engines
is made from plastic. However, the design differs between the engines due to
engine equipment.
For example, the N54 engi
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WARNING: Scalding hazard!
Work on the cooling system may only be carried out when it has cooled
down.
Follow instructions for working on cooling system!
NOTE: Disconnect coolant hoses on water valve.
Recycling
Coolant emerges when coolant lines are detached. Have a suitable collecting
container re
The gas generator is a pyrotechnic component of:
Airbag module
Driver's/passenger airbag
Side airbags
Head airbag
Knee airbag
Belt pretensioner
Belt buckle tensioner
Safety battery terminal
1 Series: E81, E87
3 Series: E46, E90, E91, E92, E93
5 Series: E60, E61 from build date 09/2