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Home >> BMW >> 2021 >> X4 M40i >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Camshafts -- Repair (G02) >> 11 31 Camshafts >> 11 31 090 Remove and install/replace chain tensioner piston (X4 xDrive30i 2019-2021, X4 M40i 2019-2021) >> Removing chain tensioner

Removing chain tensioner

WARNING: Hot surfaces. 
Risk of burning! 
  • Perform all work only on components that have cooled down.

Preliminary work 

NOTE: TECHNICAL INFORMATION 
Collect and dispose of emerging fluids. Observe country-specific waste disposal regulations.
G14225962Courtesy of BMW OF NORTH AMERICA, INC.