BMW X5 Owners & Service Manuals

BMW X5: 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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 Replacing Lower Vent Line

IMPORTANT: Risk of damage! Extreme cleanliness must be ensured in the connection area of the vent lines during removal and installation. Even the smallest of dirt particles can cause leakage in the air spring system Necessary preliminary tasks: Remove front right wheel arch cover (rear section).

 Exhaust System, Complete

REMOVING AND INSTALLING COMPLETE EXHAUST SYSTEM (N52K) Special tools required: 31 2 220 31 2 220 SUPPORT PLATE WARNING: Scalding hazard! Only perform this work after engine has cooled down. Danger of injury! Removal of the exhaust system must be carried out with the assistance of a second person

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