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Home >> BMW >> 2021 >> X3 M40i >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Electric Motor Systems >> Engine Electrical System -- Repair (1 Of 2) (G01) >> 12 14 Electronic Switching Or Control Units >> 12 14 550 Replacing the Digital Motor Electronics control unit (after vehicle diagnosis) (without programming/encoding) (all X3 models except PHEV, 2018-2022) >> Installing the DME control unit

Installing the DME control unit

NOTE: TECHNICAL INFORMATION 
If the DDE control unit or an injector has been replaced, it will also be necessary to carry out injection quantity compensation. The adjustment value (7-character letter code/number code) for the injection quantity compensation is engraved on each injector.
NOTE: TECHNICAL INFORMATION 
Follow instructions for removing and installing control units.
For additional information see: 12 00... NOTES  on removal and installation of control units
NOTE: TECHNICAL INFORMATION 
Control unit must be programed after it is replaced.
For ADDITIONAL INFORMATION see: 61 00... Programming/coding control unit(s)
NOTE: TECHNICAL INFORMATION 
Disconnecting control units may cause fault code entries and functional limitations. Fault code entries must be read out and deleted if necessary.

The locks (arrows) must engage audibly.

G14298020Courtesy of BMW OF NORTH AMERICA, INC.
G14298018Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work