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Home >> BMW >> 2021 >> X4 M Competition >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Cooling System -- Repair (F98) >> 17 51 Charge Air Cooler >> 17 51 000 Remove and install/replace charge air cooler (with manifold) >> Install charge air cooler

Install charge air cooler

Bolts of the charge air cooler with collector 

Fig 1: Charge Air Cooler With Collector Bolts Tightening Sequence
G16272177Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: RISK OF DAMAGE 
Improper routing of cables and wiring harnesses. 
Trapped, crushed or damaged cables may cause short circuits and malfunctions. 
  • Route all cables without abrasions, do not trap and crush.
NOTE: TECHNICAL INFORMATION 
Make sure that the connections are locked correctly. The locks must engage audibly.
NOTE: TECHNICAL INFORMATION 
Additional coolant can leakage. Make sure that no coolant enters the intake port of the cylinder head.
G14926927Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: Schematic diagram is for example purposes.
Some parts may differ in certain details.
TIGHTENING TORQUES SPECIFICATION

Charge air cooler on cylinder head
M6 tightening torque  10 Nm
Fig 2: Charge Air Cooler Bolts Tightening Sequence
G14926922Courtesy of BMW OF NORTH AMERICA, INC.
G14926919Courtesy of BMW OF NORTH AMERICA, INC.
TIGHTENING TORQUES SPECIFICATION

Holder to charge air cooler
Self-tapping screw
M6
Tightening torque  5 Nm
G14926915Courtesy of BMW OF NORTH AMERICA, INC.
G14901685Courtesy of BMW OF NORTH AMERICA, INC.
G14926115Courtesy of BMW OF NORTH AMERICA, INC.

Replacing the damaged seal 

NOTE: TECHNICAL INFORMATION 
Use of sharp or pointy tools for installation or removal is prohibited.
G14192712Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: TECHNICAL INFORMATION 
Incorrect assembly is possible. Ensure correct installation position.
G14192713Courtesy of BMW OF NORTH AMERICA, INC.
TIGHTENING TORQUES SPECIFICATION

Charge air duct on spacers
M6x25 screw tightening torque  10 Nm
G14926912Courtesy of BMW OF NORTH AMERICA, INC.
TIGHTENING TORQUES SPECIFICATION

Charge air duct on spacers
M6x25 screw tightening torque  10 Nm
G14926911Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work