LEMON Manuals: Even more car manuals for everyone
Home >> BMW >> 2012 >> 740Li >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Cooling System - Repair (N54, 2011-2012) >> Safety And General Information >> 17 51 000 Checking water tightness of cooling system

17 51 000 Checking water tightness of cooling system

Necessary preliminary tasks: 

IMPORTANT: Coat sealing rings of snap fasteners with lubricant.
Pressure pipes cannot be fitted without lubricant.

Release screws (1).

Tightening torque 17 10 2AZ .

Removing charge air cooler cover (2).

Fig 1: Identifying Charge Air Cooler Cover And Screws
G09876525Courtesy of BMW OF NORTH AMERICA, INC.

Unlock left charge air duct (1) on charge air cooler and detach.

Unlock charge air cooler (2) towards front from bracket.

Fig 2: Identifying Charge Air Cooler And Left Charge Air Duct
G09876526Courtesy of BMW OF NORTH AMERICA, INC.

Unlock right charge air duct (1) on charge air cooler and detach.

Unlock charge air cooler (2) towards front from bracket.

Fig 3: Removing Charge Air Cooler From Bracket
G09876527Courtesy of BMW OF NORTH AMERICA, INC.

Unlock charge air cooler (1) towards front from brackets and remove towards bottom.

Installation note: 

Charge air hoses must audibly snap into place.

Coat sealing rings of charge air hoses with lubricant.

Pressure pipes cannot be fitted without lubricant.

Fig 4: Unlocking Charge Air Cooler
G09876528Courtesy of BMW OF NORTH AMERICA, INC.

Check charge air system for leaks.

Assemble engine.