MOTOKU IVM Integrated Power Supply Module for BMW X6 X5 X3 12637591534 Direct-Fit Ignition & Accessory Power

The MOTOKU IVM integrated power supply module is a direct-fit replacement module that restores proper ignition and accessory power control on compatible BMW models.

If your BMW shows electrical faults, startup issues, or accessory glitches tied to the ignition power distribution, the IVM integrated power supply module from MOTOKU provides a plug-and-play replacement designed for specific BMW model years. This unit is built to match the form and function of the original module and replaces OEM part numbers 12637591534 and 12638645514, making it a practical service part for technicians and do-it-yourself owners.

Which BMW models and years will this MOTOKU module fit?

This module supports many BMW chassis and trims across multiple model years. It covers a wide range of sedans, coupes, SUVs, and Gran Coupe variations where the original IVM is used.

• BMW X6 (2008–2019) and X3 (2011–2017)
• 535i / 528i variants (2011–2016) and 535i GT series (2010–2017)
• X5 (2011–2018), X4 (2015–2018), M2 (2016–2020)
• 3, 4, 6, and 7 Series models including 328i, 335i, 640i, 740i and ActiveHybrid variants across 2012–2019 depending on trim

How does the MOTOKU IVM improve or restore vehicle electrical behavior?

Replacing a failing IVM can eliminate intermittent power losses to ignition circuits and accessories, reestablishing consistent startup and operation. The MOTOKU unit is manufactured to replicate the original connections and electrical pathways so it integrates with the vehicle’s existing harness and control modules.

• Direct compatibility with original connector layouts for straightforward installation
• Restores power distribution to ignition and accessory circuits
• Replaces OEM part numbers 12637591534 and 12638645514

What should I check before ordering this replacement module?

Confirm the part fits by matching your vehicle’s year, model, and engine/trim combination to the compatibility list. also cross-reference the OEM part numbers; if your vehicle uses either replacement number listed, this MOTOKU IVM should be suitable.

• Verify exact model year and submodel (e.g., xDrive, Gran Coupe, GT)
• Compare your current module’s part number to 12637591534 or 12638645514
• Inspect mounting points and connector pin counts to ensure plug-and-play fit

How difficult is installation, and can I do it myself?

Installation difficulty depends on your mechanical experience and access to the module location, which can be behind trim or under dash components on some BMWs. A competent DIYer with basic hand tools can replace the module, but consult a repair manual or technician for exact removal steps and torque specs.

• Requires basic hand tools and time to remove trim or panels on some models
• Follow vehicle-specific procedures to disconnect battery and avoid electrical damage
• Professional installation recommended if unsure about wiring or diagnostics

Who is this for: The MOTOKU IVM integrated power supply module is aimed at BMW owners and independent repair shops servicing affected 3, 4, 5, 6, 7 Series and X Series vehicles listed in the compatibility notes. It’s intended for cases where the original module shows symptoms like intermittent power distribution, accessory failures, or diagnostic trouble codes tied to the ignition/power supply system. Use this module as a replacement part when the OEM part numbers 12637591534 or 12638645514 are required; if you’re diagnosing complex electrical issues, pairing replacement with a professional diagnostic check will ensure proper resolution.