BMW X5: Engine Mechanical Overview
BMW X5 (G05) 2019-2025 Service & Repair Manual / Engine Service Information / Engine Mechanical Overview
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Crankcase
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
Bolts
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
Cylinder Head Cover
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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Fuel recommendation
General information
Depending on the region, many filling stations
sell fuel that has been customized to winter or
summer conditions. Fuel that is available in winter,
for instance helps make a cold start easier.
Gasoline
General information
For the best fuel efficiency, the gasoline should
be sulfu
In-Line Plugs, 30-Pin, Hybrid System MQS/MPQ
Manufactured by AMP: The following contact types without strand sealing can
be fitted in the plug housing
MQS (Micro Quadlock System)
MPQ, width 2.8 mm (Micro Power Quadlock)
MPQ, width 5.2 mm (Micro Power Quadlock)
Socket housing:
Raise lock (1) on housing (2).
Push contact carrier (3) from
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