The automatic transmission control unit (often designated as TCU or TCM) is a crucial electronic component responsible for smooth and trouble-free gear shifting. Its failure, most often caused by overheating, short circuits, or water damage, results in jerking, an inability to shift gears, or the vehicle entering limp mode. Purchasing a new module at an authorized dealership is a massive expense, which is why replacing it with a fully functional, used original is the most reasonable solution.
CAS ZAS Module BMW E65 E66 Siemens VDO 6942487 5WK48000
Vendors's code: 5WK48000
Product code: 5WK48000
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Code 39:
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€101.63
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€101.63
€125.00
Price
€125.00
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CAS ZAS Module BMW E65 E66 Siemens VDO 6942487 5WK48000
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Does CAS module 61326942487 fit your BMW 7 Series E65/E66?
This is a used, working CAS/ZAS module made by Siemens VDO, BMW number 61326942487 (61.32-6 942 487), Siemens VDO number 5WK48000, for the BMW 7 Series E65/E66. Before buying, compare the number with the label on the module in your car - after fitting, the module usually needs to be matched to the vehicle.
CAS/ZAS system in the BMW E65 and E66 - what the module does when starting the car
Siemens VDO 5WK48000 is an electronic CAS/ZAS module used in the relevant configurations of the BMW 7 Series E65 and E66. It takes part in the vehicle access and start authorisation system.
Communication between this module and the rest of the vehicle electronics matters for recognising whether the engine may be started. Faulty communication or damaged system components can cause problems with switching on the ignition and starting the engine.
BMW number 6942487 - identifying the right Siemens VDO version
This module carries the catalogue number 61.32-6 942 487, also written as 61326942487. The Siemens VDO manufacturer number is 5WK48000.
The label also shows the marking E65 CAS/ZAS and information on the hardware and software version.
When choosing a replacement, check that the numbers and module version match. A similar housing or identical connectors do not guarantee a direct swap.
No ignition or starting problems - what to check before replacement?
Faults in the authorisation system may show up as no reaction when trying to start the car, difficulty switching on the ignition or diagnostic communication errors.
Before replacing the module, check the power supply, fuses, wiring and the other components that work with the starting system.
Reading the fault codes with suitable BMW diagnostic equipment helps to confirm whether the problem really lies in the CAS/ZAS module.
Replacing the CAS/ZAS module - coding and matching to the car
A used CAS/ZAS module is not normally a part that can be fitted directly without configuration. It may need specialist programming, data transfer or matching to the vehicle's authorisation system.
Before buying, we recommend agreeing with your workshop how the module will be prepared for your car. The work needed depends on the electronics version and the condition of the original unit.
FAQ - BMW CAS/ZAS 61326942487 5WK48000
1. Which BMW models is module 6942487 intended for?
The label shows E65 CAS/ZAS, which indicates use in the BMW 7 Series E65. The module may also appear in relevant E66 configurations. Confirm compatibility with the number of your original part.
2. Are 61326942487 and 61.32-6 942 487 the same number?
Yes. Both refer to the same BMW catalogue number. The short end number is 6942487.
3. What does the Siemens VDO number 5WK48000 mean?
It is the module manufacturer's marking, which helps to identify the correct version and compare it with the original part.
4. Can a used BMW E65 CAS/ZAS be fitted without programming?
Do not assume the car will start straight after connecting a used module. The electronics usually have to be prepared and matched to the vehicle.
5. How do I check compatibility before ordering?
Compare the numbers 61326942487 and 5WK48000 with the label of your original unit. If anything differs, send a photo of the old module to Auto24Parts for an extra check.
Looking for a CAS/ZAS module for a BMW E65 or E66? Check the markings 6942487 and 5WK48000 and order the right part from Auto24Parts. The part is used, working and covered by a 6-month warranty. We help identify car electronics and ship worldwide.
