61 35 ... Notes on ESD protection (Electro Static Discharge)

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NOTE:

For Special Tool identification, see ENGINE ELECTRICAL SYSTEM - SPECIAL TOOLS .

Special Tools Required:

12 7 060

NOTE: Electrical components which are particularly sensitive to electrostatic discharge (electronic control units, sensors, etc.) are marked with the ESD warning symbol.

E -Electro

S -Static

D -Discharge

Statically charged persons can discharge by touching electrical components.

NOTE: Humans can only detect a discharge starting from a level of approx. 3000 V. The danger threshold for electrical components already starts from a level of approx. 100 V.

Fig 1: View Of Static Discharge To Programming Unit

Courtesy of BMW OF NORTH AMERICA, INC.

Example:

Mechatronic control unit.

Fig 2: View Of Mechatronic Control Unit

Courtesy of BMW OF NORTH AMERICA, INC.

Fig 3: Identifying Precautions For Handling DIS Unit

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Do Not Touch Pins Or Multi-Pin Connectors Directly! Touch electrical components by their housings only.

IMPORTANT: To prevent electrical components from being damaged or destroyed by electrostatic discharge, it is absolutely essential to comply with the following instructions:

When replacing electrical components, leave the replacement components in their original packaging until immediately before they are to be installed.
If necessary, always return a removed component in its original packaging (always pack the component away immediately).
Read and comply with user information on using the associated ESD special tool 12 7 060.

Fig 4: Identifying Programming Unit (DIS)

Courtesy of BMW OF NORTH AMERICA, INC.