2018 BMW 640i CAS Security System Replace
SKU: Security System - CAS Replacement

Replace
$650.00
Interest-free installments available at checkout
- Comprehensive CAS test included (valued at $159).
-
Mail-in replacement service - Mail us the original CAS, KEY, and DME.
- Original CAS data will be transferred to the new refurbished CAS.
-
100% plug-and-play solution, no other coding is required.
- Refurbished replacement OEM part included in price.
- Return shipping is included in the price.

- No vehicle crank
- Vehicle not accepting the key
- Vehicle starts and stalls
- Yellow ELV steering lock on the dash
TestingRecommended
$159.00
Interest-free installments available at checkout
- Recommended service to order is the testing service. If a repair or replacement is required after testing, the testing fee will be deducted from the total price.
- Comprehensive test of existing CAS to diagnose the problem.
- Mail-in testing service - Simply remove the original CAS, KEY and DME and mail it to us.
- After testing we will recommend a repair or replacement unit.
-
CAS units are tested in actual vehicles.
- If no fault is found, your existing CAS will be returned.
- Return shipping is included in the price.
Repair
$350.00
Interest-free installments available at checkout
- Comprehensive CAS test included (valued at $159).
- Mail-in repair service - Simply remove the original CAS, KEY, and DME and mail it to us.
- The unit will be repaired unless it is not possible due to extensive damage.
-
100% plug-and-play solution, no other coding is required.
- Return shipping is included in the price.
Replace
$650.00
Interest-free installments available at checkout
- Comprehensive CAS test included (valued at $159).
-
Mail-in replacement service - Mail us the original CAS, KEY, and DME.
- Original CAS data will be transferred to the new refurbished CAS.
-
100% plug-and-play solution, no other coding is required.
- Refurbished replacement OEM part included in price.
- Return shipping is included in the price.
TestingRecommended
$159.00
Interest-free installments available at checkout
- Recommended service to order is the testing service. If a repair or replacement is required after testing, the testing fee will be deducted from the total price.
- Comprehensive test of existing CAS to diagnose the problem.
- Mail-in testing service - Simply remove the original CAS, KEY and DME and mail it to us.
- After testing we will recommend a repair or replacement unit.
-
CAS units are tested in actual vehicles.
- If no fault is found, your existing CAS will be returned.
- Return shipping is included in the price.
Repair
$350.00
Interest-free installments available at checkout
- Comprehensive CAS test included (valued at $159).
- Mail-in repair service - Simply remove the original CAS, KEY, and DME and mail it to us.
- The unit will be repaired unless it is not possible due to extensive damage.
-
100% plug-and-play solution, no other coding is required.
- Return shipping is included in the price.
Replace
$650.00
Interest-free installments available at checkout
- Comprehensive CAS test included (valued at $159).
-
Mail-in replacement service - Mail us the original CAS, KEY, and DME.
- Original CAS data will be transferred to the new refurbished CAS.
-
100% plug-and-play solution, no other coding is required.
- Refurbished replacement OEM part included in price.
- Return shipping is included in the price.
How do 2018 BMW 6-Series 640i CAS Mail-In Repairs work?
The ECU Pro offers affordable mail-in CAS repair service. To have your CAS repaired, simply remove the CAS and mail it to us. Our professional team will either test, repair, or clone your unit.
In order to have your 2018 BMW 6-Series 640i CAS repaired, tested, or replaced follow the steps below:
- Send your current CAS, ECU, and KEY to us.
- We will run a full diagnostic test on your CAS and send you the report.
- A repair or replacement solution will be offered, which you can decide on.
Our mail-in 2018 BMW 6-Series 640i CAS service is 100% plug-and-play and doesn't require any additional coding.
More services for your 2018 BMW 640i

For MEVD17.2.H CAS ECU
ECU Service for 2018 BMW 640i
- No ECU function or communication with the ECU
- Valvetronic internal failure
- Cylinder burning time too short
- No ignition spark on one cylinder
$159.00 — $1,499.00
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For MG1CS003-86 FEM ECU
ECU Service for 2018 BMW 640i
- No ECU function or communication with the ECU
- Water damaged DME
- Valvetronic failure
- Cylinder burning time too short
- No ignition spark on one cylinder
$159.00 — $1,499.00
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For F Series Key
Key Service for 2018 BMW 640i
- All keys lost replacements
- Replacement key
- Vehicle not accepting the key
$49.00 — $400.00
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FEM Service for 2018 BMW 640i
- No vehicle crank
- Vehicle not accepting the key
- Vehicle starts and stalls
- Yellow ELV steering lock on the dash
$159.00 — $1,250.00
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