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BMW/MINI CAS: Repair or Replace? How We Decide and What It Costs
Car Access Systems (CAS)

BMW/MINI CAS: Repair or Replace? How We Decide and What It Costs

Can a failing BMW/MINI CAS be repaired, or does it need replacing? Here's the exact decision process we use, what each path costs, and how we prove the fix....

JEREMY PROOMEJul 31, 2026
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Fitted a Used BMW/MINI FEM or BDC and Now Things Don't Work? Here's Why
General

Fitted a Used BMW/MINI FEM or BDC and Now Things Don't Work? Here's Why

Fitted a used BMW/MINI FEM or BDC and now mirrors, locks or seat heaters don't work? It's a vehicle-order coding issue. Here's what's happening and how it's fixed....

JEREMY PROOMEJul 31, 2026
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Why You Must Send Your ECU With Your CAS, EWS, or FEM
General

Why You Must Send Your ECU With Your CAS, EWS, or FEM

Wondering why we ask for your ECU when you only sent a CAS, EWS or FEM? It's how we confirm the modules communicate and verify a true plug-and-play fix....

JEREMY PROOMEJul 31, 2026
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BMW & MINI CAS Failure: Symptoms & Fault Codes
General

BMW & MINI CAS Failure: Symptoms & Fault Codes

No-start, dash clicking, or headlights that won't switch off? These are the real CAS3 failure symptoms and fault codes we see every week and how they're fixed....

JEREMY PROOMEJul 31, 2026
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Can an ECU Cause Poor Fuel Economy?
ECU

Can an ECU Cause Poor Fuel Economy?

Is a faulty ECU the cause of your car using too much fuel? Here's how to find out....

JEREMY PROOMEJun 30, 2026
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ECU Diagnostic Scanner: What You Need to Know
General

ECU Diagnostic Scanner: What You Need to Know

ECU scanners can be incredibly handy tools, but there are a few things to take note of....

JEREMY PROOMEJun 19, 2026
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Common 2037394 PACCAR Fault Codes - What They Mean (and How to Troubleshoot Them)
MX13

Common 2037394 PACCAR Fault Codes - What They Mean (and How to Troubleshoot Them)

Trying to work out why your Paccar MX-13 engine is causing problems? Check out the list of common 2037394 error codes to get to the bottom of it....

JEREMY PROOMEJun 9, 2026
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2037394 Paccar MX13 ECU: How to Fix, Repair Cost, Symptoms, Diagnosis, and More
MX13

2037394 Paccar MX13 ECU: How to Fix, Repair Cost, Symptoms, Diagnosis, and More

Paccar MX13 giving you headaches? Here's what you need to know about testing, diagnosis, and repair of the 2037394 model....

JEREMY PROOMEMay 29, 2026
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BMW CAS Module Security: How It Protects Your Car from Theft
Car Access Systems (CAS)

BMW CAS Module Security: How It Protects Your Car from Theft

Learn how the BMW CAS module protects your vehicle from theft, common CAS failure symptoms, and where to get professional BMW CAS module repair from The ECU Pro....

JEREMY PROOMEMay 15, 2026
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Mail in automotive electronic repair services 

The ECU Pro offers an affordable mail-in repair service for automotive electronics. To have your unit repaired, simply remove the part and mail it to us. Our professional team will either test, repair, or clone your unit. 

Our team has over 30 years experience in automotive electronic repairs. We specialize in German vehicles such as BMW, Mercedes and Mini. Our main focus is engine control unit repairs ( ECU, PCM or DME). Our state of the art facility has over 30 test vehicles to ensure that all parts are tested in actual vehicles before being returned to our clients.

    Most of the services we provide is plug and play and doesn't require any additional coding. 

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