LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> BMW >> 2019 >> Z4 >> Repair and Diagnosis (Single Page) >> General Information >> OEM General Information >> General Orphan Data (1 Of 2) >> (If the DME control unit is replaced: Program/code DME control unit)
April 5, 2026: LEMON Manuals is launched! Read the announcement.

(If the DME control unit is replaced: Program/code DME control unit)

Precondition 

The control unit was replaced./Programming based on instructions from ISTA diagnosis./Programming due to Technical Campaign.

NOTE: TECHNICAL INFORMATION 
With the introduction of ISTA 4, the programming functionality was integrated into ISTA.
  • The following series can be treated with ISTA/P: Exx series and RR1, RR2, RR3 
  • The following series can be treated with ISTA 4: Fxx, Gxx, Ixx series and following 

To avoid errors during programming/coding, the current ISTA/P or ISTA 4 version must be used.
For programming, the programming data must also be installed for ISTA 4.
NOTE: TECHNICAL INFORMATION 
Battery voltage must not drop below 13.0 V during programming. Only use battery chargers recommended by BMW for low-voltage vehicle electrical systems.

Reset ultra-small quantity adaptation 

NOTE: TECHNICAL INFORMATION 
If the DME control unit or an injector is replaced, minimum quantity adaptation must be reset. If an injector has been replaced on cylinder side, the minimum quantity adaptation must also be reset.