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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 Fuel Filter

REPLACING FUEL FILTER (M57T2) Necessary preliminary tasks: Switch off ignition Remove rear assembly underside protection Recycling: Catch and dispose of escaping fuel. Observe country-specific waste-disposal regulations. Release clamps (1). Pull off hose. Pull out retainer (2). Detach fuel

 Replacing Evaporator

Necessary preliminary tasks: Remove heater Release screws (1). Fig. 84: Identifying Screws Release screws (1) and remove expansion valve (2). Installation: Ensure that seals are correctly seated. Replace sealing rings and moisten with refrigerant oil. Tightening torque. Fig. 85: Identifying E

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