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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Frame Alignment Control Dimensions, Body
Dimensions in mm.
Measurement tolerances:
< or = 1000 mm +- 1.5 mm
> or = 1000 mm +- 2.5 mm
The control points shown serve to check the body and the straightening
attachment.
The specified dimensions/measurements always refer to the centerpoint of the
bore/screw.
Underbody view 1
Fig.
Replacing Lumbar Cushion On Front Left Or Right Seat
Special tools required:
52 0 050.
Necessary preliminary tasks:
Remove rear panel on front seat backrest.
Fig. 43: Identifying Backrest Cover
Detach backrest cover (1) at bottom from backrest frame.
Remove valve housing.
Disconnect air hoses (2) from valve housing.
NOTE: Heat air hoses gently
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