Integrated Supply Module (IVM) – 12637591534 / 126386455

Description Compatible with BMW 228i, 328i, 335i, 428i, 435i, 535i, 640i, 740i, X5, X6, and more OEM-Quality Power Distribution Module for BMW Models   The Integrated Supply Module (IVM), part number 12637591534 / 12638645514, is a key power management and distribution unit in BMW vehicles. It serves as the electronic control hub that supplies stable voltage and current to essential engine and body systems — including the DME (Engine Control Unit), ignition coils, fuel injectors, and other powered components. A faulty IVM can cause intermittent electrical issues, engine non-start, or communication faults. This replacement module restores consistent electrical performance, ensuring reliable ignition, power delivery, and system communication. Designed to match OEM specifications, this replacement module offers plug-and-play compatibility and reliable long-term operation. Key Features & Benefits Direct OEM Replacement – Matches BMW part numbers 12637591534 and 12638645514. Stable Electrical Supply – Distributes regulated power to multiple engine and vehicle subsystems. OEM-Level Reliability – Manufactured to meet or exceed BMW’s electrical and thermal standards. Plug & Play Installation – Fits directly into the original position without wiring modification. Enhanced Safety & Protection – Integrated fuses, relays, and circuit protection prevent short circuits and voltage spikes. Durable Construction – Designed with heat-resistant materials for long-term performance in engine bay environments. Quality Assured – Every module tested prior to dispatch for correct voltage regulation and communication integrity. Technical Specifications Part Type: Integrated Supply Module (IVM) / Power Distribution Control Unit OEM Numbers: 12637591534, 12638645514 Voltage: 12V DC Housing: Reinforced polymer casing with sealed connectors Position: Engine compartment – near fuse box or ECU housing (varies by model) Installation: Plug & Play (no coding required) Function: Controls and distributes electrical supply to engine and chassis systems Condition: 100% New, OEM-quality replacement Compatible Vehicles This IVM module is used in a wide range of BMW models equipped with N20, N55, and B58 engines, covering multiple platforms. Compatible BMW Models Include: BMW 2 Series (F22 / F23) 228i (2014–2016) M235i / M240i (2014–2019) M2 (2016–2018) BMW 3 Series (F30 / F31 / F34 / F35) 320i, 328i, 328d, 335i, ActiveHybrid 3 (2012–2018) BMW 4 Series (F32 / F33 / F36) 420i, 428i, 430i, 435i, 440i (2013–2019) BMW 5 Series (F10 / F11 / F18) 528i, 535i, ActiveHybrid 5 (2010–2017) BMW 6 Series (F06 / F12 / F13) 640i, 650i (2012–2018) BMW 7 Series (F01 / F02 / G11 / G12) 740i, ActiveHybrid 7 (2010–2017) BMW X Series Models X3 (F25) – 28i / 35i (2011–2017) X4 (F26) – 28i / 35i (2014–2018) X5 (F15) – 35i / 50i (2014–2018) X6 (F16) – 35i / 50i (2015–2019) Always confirm your part number (printed on the original module) before ordering for accurate fitment. Common Symptoms of a Faulty IVM Vehicle fails to start or has intermittent ignition issues Random electrical faults or dashboard error lights Engine control system loses power or shuts down unexpectedly No communication with DME or other ECU modules Inconsistent voltage readings or blown fuses Replacing the IVM module typically resolves these issues and restores full electrical reliability. The IVM Power Supply Module is the heart of your BMW’s electrical system, ensuring that critical engine and control components receive a stable power supply. Replacing a faulty unit prevents sudden power loss, communication errors, and no-start conditions — restoring factory-level reliability and performance.