BMW SME1/SME2 EOS Bypass & Cell Data Restore

Complete the software side of a repaired or replaced BMW high-voltage battery system in a scheduled live remote session. This service is intended for supported vehicles with SME1/SME2 or HVS1/HVS2 after an SME, complete high-voltage battery, cell, or cell supervision circuit has already been replaced or repaired by a qualified high-voltage technician.

The final price is €200 or €300 depending on the vehicle architecture and required secure workflow. Send the VIN, complete fault scan, module identification and a short description of the physical repair before ordering. We confirm compatibility, scope and the exact price first.

Important: “EOS bypass” on this page means a supported remote software and commissioning route after a completed repair. It does not disable BMW safety monitoring and it is not a substitute for the physical End-of-Service test, insulation test, leak test, voltage check, cell balancing or any other workshop procedure required for the battery.

When this service is appropriate

Repair situation	Remote work that may be required
SME1 or SME2 replaced	Vehicle-specific commissioning, coding, validation and restoration of supported battery data.
One or more battery cells or cell modules replaced	Restore or register the required cell information and complete the supported post-repair software workflow.
Cell supervision circuit replaced	Diagnose the resulting SME state and complete the applicable data, coding or secure authorization steps.
Brand-new HVS1 or HVS2 installed	Commission the supported replacement high-voltage battery system to the vehicle.
Physical battery repair complete but commissioning is blocked	Review the diagnostic state and, where supported, provide the remote EOS bypass/commissioning route.

This is not a generic fault-deletion session. The exact path depends on the VIN, BMW platform, I-level, installed SME/HVS generation, whether the original module still communicates, what was replaced and which secure functions are requested by the vehicle.

What the remote session can include

Operation	Purpose	Applied when
Cell-data restoration	Restore supported HVS cell information needed by the replacement or repaired SME.	The recorded cell data is missing, incompatible or must be transferred after repair.
NCD2.0 secure coding	Provide and apply the correct signed coding data for a supported secure-coding control unit.	The installed architecture requires NCD2.0 rather than conventional coding data.
CBB validation	Complete the applicable backend validation step for a supported new control unit.	The replacement state requires CBB validation.
LCS/SecOC work	Resolve the supported secure communication or token requirement involved in the repair.	The vehicle reports the relevant LCS or SecOC authorization condition.
EOS bypass support	Complete the supported software-side commissioning route when the normal workshop EOS path is unavailable or blocked.	The physical battery repair and safety checks are complete and the vehicle is eligible.
Post-repair diagnostics	Read the vehicle state, verify communication and identify faults that still point to unresolved hardware work.	Before, during and after the remote procedure.

Not every car needs every item in the table. NCD2.0, CBB, LCS and SecOC are different authorization or coding layers; including all four in a diagnosis when the vehicle only requires one would be misleading. TempaDrive selects the required route from the actual vehicle data.

What must be completed before the appointment

• The high-voltage battery and vehicle must have been inspected and repaired by a qualified high-voltage technician.
• All damaged cells, modules, cell supervision circuits, pyrofuses, contactors, safety-box parts, interlocks, wiring and cooling components must be repaired or replaced as required.
• Replacement cell modules must be correctly selected, installed and brought to the required voltage/state-of-charge relationship using the applicable repair procedure.
• The battery must be correctly sealed and must pass every physical electrical, insulation, cooling and leak test required for that platform.
• The replacement SME/HVS part number and hardware generation must be compatible with the VIN.
• The vehicle must have a healthy 12 V system and a regulated power supply suitable for programming work.

Remote software cannot make a damaged, incorrectly assembled or electrically unsafe battery operational. If diagnostics still show a physical insulation, contactor, cell-voltage, temperature, interlock or communication fault, that hardware problem must be corrected before commissioning can finish.

Equipment and information required

Required item	Details
Vehicle information	17-digit VIN, model, production date and current I-level when available.
Repair summary	State exactly whether the SME, complete HVS, cells/cell modules or cell supervision circuits were replaced.
Diagnostic evidence	Complete current fault scan, module tree and clear SME/HVS identification screenshots.
Original data	Backup from the original SME/HVS when available; tell us before replacement if the original module still communicates.
Connection	Windows 10/11 64-bit laptop, stable internet and a reliable BMW ENET or ICOM connection appropriate for the vehicle.
Workshop support	A qualified person must remain with the vehicle throughout the session and be able to follow ignition and power-supply instructions.

Price: €200–€300 depending on the car

Supported jobs are quoted at either €200 or €300. The exact amount is confirmed before payment after we inspect the VIN, SME/HVS generation, repair history, diagnostic state and required secure steps. A straightforward supported SME1/HVS1 case may follow the lower route; a more complex SME2/HVS2 case or one requiring additional secure coding/validation may follow the higher route. Those are assessment examples, not an automatic price rule.

How the remote process works

1. Send the VIN, complete fault scan, module identification and repair summary.
2. We confirm whether the case is supported, what must be prepared and whether the price is €200 or €300.
3. Book the live remote appointment and connect the approved interface, laptop, internet and regulated power supply.
4. We inspect the live vehicle state and complete the required cell-data, coding, validation, token and commissioning steps.
5. We clear applicable software faults, re-read the vehicle and explain any remaining hardware or workshop action.

Not the same as SME crash-data reset

This service is for a battery or control unit that has been repaired or replaced and now needs post-repair data restoration and commissioning. A collision-only crash flag in an otherwise unchanged SME is a different problem with different search intent. See the separate BMW SME crash-data reset page; that crash-reset service is currently unavailable.

Frequently asked questions

Is this a complete remote session or only a file/token delivery?

It is a scheduled live remote session. Required files, coding data or tokens are handled as parts of the supported workflow rather than sold as an unexplained bundle.

Does EOS bypass mean the battery can skip physical safety testing?

No. The physical repair, insulation, leak, voltage, cooling, contactor and other required safety checks remain the workshop's responsibility. The advertised route addresses supported software-side commissioning only.

Can TempaDrive replace or balance battery cells remotely?

No. Cell selection, voltage matching, balancing, installation and battery sealing are physical high-voltage workshop operations. TempaDrive handles the supported software and data steps after that work is complete.

Do all cars require NCD2.0, CBB and LCS/SecOC?

No. These are different layers. The required combination depends on the vehicle architecture, software level, replacement component and diagnostic state.

Why is the price either €200 or €300?

Different SME/HVS generations and repair states require different secure workflows and session time. We confirm the exact fixed price after reviewing the VIN and diagnostic evidence.

Can this service clear crash data after an accident?

This listing is for post-repair commissioning after SME, HVS, cell or cell-supervision work. Collision-only SME crash-data reset is a separate service and is currently unavailable.