2004 BMW 330i EWS Security System Replace
SKU: Security System - EWS Replace

Replace
$499.00
Interest-free installments available at checkout
- Comprehensive test of existing EWS to diagnose the problem.
- Mail-in replacement service - Mail us the original EWS.
- Original EWS data will be transferred to the new refurbished EWS.
-
100% plug-and-play solution, no other coding is required.
- Refurbished replacement OEM part provided.
- Return shipping is included in the price.

- No vehicle crank
- Vehicle not accepting the key
- Vehicle starts and stalls
- EWS Related codes
TestingRecommended
$159.00
Interest-free installments available at checkout
- Comprehensive test of existing EWS to diagnose the problem.
- Mail-in testing service - Simply remove the original EWS and mail it to us.
- After testing we will recommend a repair or replacement unit.
-
EWS tested in actual vehicles.
- If no fault is found, your existing EWS will be returned.
- Return shipping is included in the price.
Repair
$299.00
Interest-free installments available at checkout
- Comprehensive test of existing EWS to diagnose the problem.
- Mail-in repair service - Simply remove the original EWS 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
$499.00
Interest-free installments available at checkout
- Comprehensive test of existing EWS to diagnose the problem.
- Mail-in replacement service - Mail us the original EWS.
- Original EWS data will be transferred to the new refurbished EWS.
-
100% plug-and-play solution, no other coding is required.
- Refurbished replacement OEM part provided.
- Return shipping is included in the price.
TestingRecommended
$159.00
Interest-free installments available at checkout
- Comprehensive test of existing EWS to diagnose the problem.
- Mail-in testing service - Simply remove the original EWS and mail it to us.
- After testing we will recommend a repair or replacement unit.
-
EWS tested in actual vehicles.
- If no fault is found, your existing EWS will be returned.
- Return shipping is included in the price.
Repair
$299.00
Interest-free installments available at checkout
- Comprehensive test of existing EWS to diagnose the problem.
- Mail-in repair service - Simply remove the original EWS 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
$499.00
Interest-free installments available at checkout
- Comprehensive test of existing EWS to diagnose the problem.
- Mail-in replacement service - Mail us the original EWS.
- Original EWS data will be transferred to the new refurbished EWS.
-
100% plug-and-play solution, no other coding is required.
- Refurbished replacement OEM part provided.
- Return shipping is included in the price.
How do 2004 BMW 3-Series 330i EWS Mail-In Repairs work?
The ECU Pro offers affordable mail-in EWS repair service. To have your EWS repaired, simply remove the EWS and mail it to us. Our professional team will either test, repair, or clone your unit.
In order to have your 2004 BMW 3-Series 330i EWS repaired, tested, or replaced follow the steps below:
- Send your current EWS, ECU, and KEY to us.
- We will run a full diagnostic test on your EWS and send you the report.
- A repair or replacement solution will be offered, which you can decide on.
Our mail-in 2004 BMW 3-Series 330i EWS service is 100% plug-and-play and doesn't require any additional coding.
More services for your 2004 BMW 330i

For MS43 EWS ECU
ECU Service for 2004 BMW 330i
- DME / EWS Related codes
- Engine temp gauge in red
- No ECU function or communication with the ECU
- DME RAM self-test checksum errors
- Electronic throttle controller errors
$159.00 — $599.00
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For MS45 EWS ECU
ECU Service for 2004 BMW 330i
- DME / EWS Related codes
- Engine temp gauge in red
- No ECU function or communication with the ECU
- DME RAM self-test checksum errors
$159.00 — $599.00
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For MSV70 CAS ECU
ECU Service for 2004 BMW 330i
- No ignition spark on one cylinder
- Valvetronic failure
- Corrupted DME coding
- No communication with DME / ECU
- Water damage
$159.00 — $799.00
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ELV Service for 2004 BMW 330i
-
Yellow or red steering lock on dash
- AOAA CAS System Malfunction
- A115 ELV Steering
- AA116 CAS Critical Status ELV Steering Lock
- A119 Power Supply Electronic Steering Lock in the CAS
$159.00 — $399.00
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FRM Service for 2004 BMW 330i
- Headlights do not work
- Light switches do not work
- Windows do not move up or down
- Parking lights stay on
- Indicators do not work
$99.00 — $499.00
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For Diamond Shape Key
Key Service for 2004 BMW 330i
- All keys lost replacements
- Replacement key
- Vehicle not accepting the key
$49.00 — $350.00
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CAS Service for 2004 BMW 330i
- No vehicle crank
- Vehicle not accepting the key
- Vehicle starts and stalls
- Yellow ELV steering lock on the dash
$159.00 — $650.00
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