Category: Cars
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BMW 335i Maintenance History: A 2019-2026 Ownership Record
An anonymized, mileage-based summary of documented maintenance on a 2007 BMW 335i, including cooling, turbo, suspension, brakes, tyres and routine servicing.
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How to Repair Brittle Automotive Wiring Connectors
Replace a broken sealed connector half instead of the full harness. SICMA Mini-Sealed 1.5 repair guide for engine-bay wiring.
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Down the rabbit hole of Delphi SICMA Connectors on the Land Rover Discovery 3
The Delphi SICMA connector family carries most of the wiring on a Land Rover Discovery 3. This guide explains how to identify, repair, and source these connectors without…
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How I Got Ripped Off Buying a Sea-Doo Speedster on Facebook Marketplace — And the Full Rebuild Story
The Purchase I found a 1999 Sea-Doo Speedster on Facebook Marketplace. Twin Rotax 787 engines, jet boat, looked like a fun family project. The seller assured me it…
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Discovery 3 CAN Bus, Part 11: EPB Module Replacement — Longitudinal Sensor & the Real Fix
The Discovery 3 air suspension CAN bus investigation reaches its conclusion. Replacing the EPB module restored the longitudinal acceleration sensor — fixing phantom pitch corrections, brake force data,…
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Discovery 3 Suspension Levelling Solved — Cheap aftermarket EPB Module Was the Culprit
Months of CAN bus diagnosis revealed why this Discovery 3 kept self-levelling — a cheap aftermarket EPB module was failing to transmit the longitudinal value, blinding the suspension…
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Discovery 3 CAN Bus, Part 10: The EXML Files and What We’re Still Hunting
SDD stores diagnostic configuration in EXML — JLR’s proprietary encrypted XML format. We cracked the Triple DES encryption, decrypted 2,033 EXML files, and found the RLM’s diagnostic data…
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Discovery 3 CAN Bus, Part 7: Cracking the Ford Security Algorithm
Before you can write calibration data to an ECU, you need to pass Security Access. We found the Ford KeyGenMkI algorithm, confirmed the 24-bit LFSR seed in SecAlg.dll,…
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Discovery 3 CAN Bus, Part 6: Reverse Engineering JLR SDD for Air Suspension Diagnostics
Going deeper into the Discovery 3 air suspension: we downloaded JLR SDD 130, extracted the dealer diagnostic VM, and found the service action plugins, VERONA CAN protocol layer,…
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Discovery 3 CAN Bus, Part 9: Building Our Own UDS Diagnostic Tool
Building a Python UDS diagnostic tool for the Discovery 3 air suspension RLM module. Using a LilyGO ESP32 CAN board with full ISO-TP transport, Ford KeyGenMkI security unlock,…