Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
66-3140 OPPS device
0495303 663140 OPPS device MW
Storage Location
X 203
Consisting of:
- = 0495304 OPS deviceNOTE: To order the OPS devices, please contact the appropriate SIEMENS hotline. [Discontinued]
- = 0495305 CableNOTE: (OBD cable, incl. CAN line) [released]
- = 0495306 Adapter cableNOTE: (LAN adapter cable) To order the LAN adapter cable, please contact the appropriate SIEMENS hotline. NOTE: Specify the LAN adapter cable model (crossed or uncrossed). [Discontinued]
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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