2012-2016 BMW ECU DME / CAS3 Theft Locking Module / Lock Cylinder w/ Key 12148643742

OEM Part #: 12-14-8-643-742 (12148643742)

This page covers one exact OEM part number. Every unit we stocked has sold.

Programming required: this module must be coded to your VIN by a dealer or with the proper diagnostic tool before it will work.
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Restore your BMW Z4's functionality with this OEM ECU DME / CAS3 Theft Locking Module / Lock Cylinder with Key, part number 8643742. Essential for engine management and vehicle security, this component ensures that your ignition system operates flawlessly, locking and unlocking accurately while preventing theft. Compatible with 2012-2016 BMW Z4 models, this module resolves common issues like ignition failure and key recognition problems. It’s critical for maintaining optimal performance and enhancing system reliability. Additional part numbers include 9287534, 8661467, and 8631728. This is a genuine part sourced directly from salvage vehicles, assuring factory-original integrity for your vehicle's security and performance needs.

Specifications

Specifications for ECU DME / CAS3 Theft Locking Module / Lock Cylinder w/ Key 12148643742
Fits Vehicle ModelZ4
Fits Vehicle MakeBMW
OEM Part No12-14-8-643-742 (12148643742)
Compatible OEM Part No 8661467, 8631728, 8626899, 8617570, 8614957, 8610677, 8603575, 8601367, 7645795
CategoryComputers / Modules

Compatible Vehicles

Fits 5 vehicle configurations across 1 make, 2012-2016.

Check your specific vehicle before ordering. This list shows year, make, and model. Some years have multiple trims or engines that use different parts, and individual listings may have additional fitment notes (e.g. “with sunroof only”). Review the full variant list below, or message us with your VIN and we’ll confirm the match.

BMW

  • Z4 2012-2016 · 5 variants 5 with notes
View all 5 vehicle configurations — 5 with fitment notes
Full vehicle fitment list for ECU DME / CAS3 Theft Locking Module / Lock Cylinder w/ Key 12148643742
Year Make Model Trim Engine Note
2012 BMW Z4 Convertible 2.0L l4 Turbo For Vehicles with Production Date After 07/2012
2013 BMW Z4 Convertible 2.0L l4 Turbo For Vehicles with Production Date After 07/2012
2014 BMW Z4 Convertible 2.0L l4 Turbo For Vehicles with Production Date After 07/2012
2015 BMW Z4 Convertible 2.0L l4 Turbo For Vehicles with Production Date After 07/2012
2016 BMW Z4 Convertible 2.0L l4 Turbo For Vehicles with Production Date After 07/2012

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