BMW ISN Change For EGS Gearbox Mechatronic Unit

Often when gearboxes fail, customers opt for second hand units due to the expenditure of a genuine replacement.

When a brand new Mechatronic control unit (within the gearbox) is fitted, it is then coded ‘ONCE’ with a ISN (Individual Serial Number). This serial number is not conventionally changeable as it is part of the vehicles security system. The vehicle will start but not engage any gears, with this system in place BMW can almost guarantee you are required to purchase a brand new replacement.

At Grosvenor we offer a EGS ISN rewriting service (we are one of very few specialists who can provide this service world wide), allowing the use of second hand parts.

We require the vehicle for 1 working day to complete the ISN change within the gearbox EGS control unit.

If you have any questions or we can help you any further, please give one of our team a call on 0118 958 3481.