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Fluids Guide

Using the correct fluids is critical for component longevity. The E46 uses specific fluid types that should not be substituted.

SystemSpecificationCapacity
Engine oil5W-30 LL-016.5L
CoolantBMW Blue G48 50/508.4L
Manual transMTF-LT-21.5L
Auto transATF LT 711419.0L total
Differential75W-90 synthetic1.0L
Power steeringATF Dexron III or CHF 11S1.0L
Brake fluidDOT 41.0L
Fuel91+ AKI premium63L
  • Do NOT mix power steering fluid types — check existing fluid color (red = ATF, green = CHF 11S)
  • Do NOT use non-LL-01 approved engine oils
  • Always use distilled water for coolant mixing
  • ATF: ZF “lifetime fill” should be changed at 60k miles