For full-flow oil filter replacements: Remount oil-to-water heat exchanger

NOTE: TECHNICAL INFORMATION 
Collect and dispose of emerging fluids. Observe country-specific waste disposal regulations.

NOTE: TECHNICAL INFORMATION 
Make sure that there are no particles or impurities in the medium openings. Coolant or foreign substances in the oil can cause engine damage such as damage to the connecting rod bearing.

• Release the screws in the order (6) to (1).
  NOTE: Release the screws in steps of 360 degrees.
• Feed out and remove the oil coolant heat exchanger (A) from the full-flow oil filter.
• Collect and dispose of emerging fluids.
  Fig 1: Oil Coolant Heat Exchanger Screws Loosening Sequence

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• Replace all seals (1) to (4) on the full-flow oil filter (A).

  Parts:  Seals

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  NOTE: RISK OF DAMAGE 
  Damage to the surface. 
  The use of metal-cutting tools (e.g., emery cloths) for cleaning surfaces can damage them and lead to leaks and/or engine damage.

  • Do not use any metal-cutting tools.
• Clean sealing surface (1) on oil-to-coolant heat exchanger.

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• Feed in oil coolant heat exchanger (A) and position.
• Tighten screws in the order (1) to (6).

NOTE: Tighten the bolts in 360 degree steps.

TIGHTENING TORQUES SPECIFICATION

Oil-to-water heat exchanger to full-flow oil filter
M6	tightening torque	10 Nm

Fig 2: Oil Coolant Heat Exchanger Screws Tightening Sequence

Courtesy of BMW OF NORTH AMERICA, INC.