BMW X5: Engine Mechanical Overview
			
			
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   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
   
   
 
	
   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
   
   
 
	
   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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   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 
   
   
 
	
   OVERVIEW OF WINDSCREEN WIPER, WINDSCREEN WASHER AND HEADLIGHT
WASHER SYSTEMS
Fig. 283: Overview Of Windscreen Wiper, Windscreen Washer And Headlight 
Washer Systems
	Rear window wiper blade
	Wiper arm for rear window wiper
	Rear window wiper motor
	Spray nozzle for rear window washer system
	Wiper