Bosch MEV17.4.6 ISN+VIN Edit: BMW
ISN+VIN Edit on the Bosch MEV17.4.6 control unit for vehicles BMW. Upload the dump — free analysis and check; apply the operation and download the ready file in your portal account.
Read and write ISN — syncing the ECU with CAS / EWS / FEM when replacing or repairing a unit.
| Operation | ISN+VIN Edit |
|---|---|
| Control unit | Bosch MEV17.4.6 |
| Car makes | BMW |
| Access / memory | INT FLASH [TC1796] · INT EEPROM [TC1796] |
| INT FLASH | TC1796 |
| INT EEPROM | TC1796 |
| Method | Online, from the ECU memory dump (.bin) |
| Applicability check | Free |
| Checksums | Recalculated automatically |
| Result | A ready file to write to the unit |
Bosch MEV17.4.6 ISN+VIN Edit — 4 cars
Operation ISN+VIN Edit is supported for the Bosch MEV17.4.6 block on vehicles BMW. In the list: BMW 1-Series, BMW X1. Upload the dump — the system detects the version and checks applicability for free.
| Make | Model | Version | Year |
|---|---|---|---|
| BMW | 1-Series | 125i 6MT | 2011 |
| BMW | X1 | sDrive18i 6MT | 2010 |
| BMW | 1-Series | 125i 6AT | 2011 |
| BMW | X1 | sDrive18i 6AT | 2010 |
Bosch MEV17.4.6 ISN+VIN Edit — for BMW
The ISN (Individual Serial Number) is a unique serial number by which the engine control unit syncs with BMW's security system: CAS, EWS or FEM/BDC. Without a matching ISN the unit won't start the engine.
When you need ISN+VIN Edit
- ECU replacement or repair — the new unit must pair with your car's CAS/FEM.
- Read ISN — read the serial number from the dump to match it with other units.
- Write ISN — write into the ECU a number matching the car's security system.
- Recovery after a failed write — restore the unit to working order.
What you get: the ISN in the unit matches the security system — the engine starts normally.
Bosch MEV17.4.6 memory and reading
The Bosch MEV17.4.6 unit uses the following: INT FLASH — TC1796, INT EEPROM — TC1796. The ISN+VIN Edit operation works on the INT FLASH [TC1796] · INT EEPROM [TC1796] area — that is the one to read out and upload. If OBD reading is not available for this unit, the dump is taken on the bench via Bench or Boot mode.
For the Bosch MEV17.4.6 block the «ISN+VIN Edit» operation runs online from the ECU memory dump (access — INT FLASH [TC1796] · INT EEPROM [TC1796]). Read the file via OBD, Bench or Boot and upload it — the system detects Bosch MEV17.4.6 and checks whether the operation applies for free. You'll get the ready file with recalculated checksums in your portal account.
Frequently asked questions
ISN+VIN Edit on Bosch MEV17.4.6 — short and to the point
What does ISN+VIN Edit do on Bosch MEV17.4.6?
Read and write ISN — syncing the ECU with CAS / EWS / FEM when replacing or repairing a unit.
Which file should I upload?
The ECU memory dump (access INT FLASH [TC1796] · INT EEPROM [TC1796]), read via OBD, Bench or Boot. Upload the file — the system detects Bosch MEV17.4.6 for free and checks whether the operation applies.
How much does ISN+VIN Edit cost?
Uploading and analyzing the file is free. Applying the operation and downloading the ready file happen in your portal account (50 €).
Are the checksums recalculated?
Yes, automatically. The ready file is immediately writable to the unit — no need to recalculate checksums by hand.
Which vehicles is it for?
Bosch MEV17.4.6 with the ISN+VIN Edit operation covers BMW. The system detects the exact version from the uploaded dump.
What memory and processor does Bosch MEV17.4.6 use?
Memory of the unit: INT FLASH — TC1796, INT EEPROM — TC1796. The ISN+VIN Edit operation needs INT FLASH [TC1796] · INT EEPROM [TC1796] access.