BMW X5: Engine Mechanical Overview
BMW X5 (G05) 2019-2026 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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Opening Adhesive Bonds
1. Opening spot-weld bonds
Set punch mark in center of weld spot. Set 8 mm dia. weld spot drill bit
on punch mark and drill
through top metal sheet.
Or open weld spot with Vario Drill spot welding cutter (refer to WORKSHOP
EQUIPMENT &
PLANNING CD, Chapter 7).
NOTE: Because the weld spo
Oil Cooler Lines
REMOVING AND INSTALLING/REPLACING HEAT EXCHANGER FOR AUTOMATIC
TRANSMISSION (N52K) )
IMPORTANT: Danger of scalding!
Only perform this work after engine has cooled down.
Necessary preliminary tasks:
Follow instructions for working on cooling system.
Drain coolant.
Remove fan cowl.
Recycling
Ca
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