BMW F10 FRM3 Footwell Body Control Module - Used Original Parts

Diagnosis and Common Symptoms

The FRM3 (Footwell Module Generation 3) is the central lighting and body control computer located in the driver's side footwell of the BMW F10. This module governs exterior lighting (headlights, xenon/LED control, turn signals), interior lighting, window lift control, and wiper operation. When the FRM3 begins to fail, technicians commonly see fault codes such as 60A0 (Internal Fault), 40FA97 (Undervoltage), or communication loss codes on the K-CAN/PT-CAN bus (indicated by "FRM Malfunction" or loss of comms to instrument cluster). Drivers typically report flickering headlights, non-functioning corona rings, inoperative window one-touch auto functions, wipers running erratically or not parking correctly, and in severe cases, a complete failure to start due to the module blocking terminal 15/30 wake-up signals. A classic symptom of FRM3 hardware failure is cracked solder joints on the transistor output stages, leading to intermittent lighting failure that gets worse with engine vibration or heat cycles.

Introduction

This listing is for a Genuine Used BMW F10 FRM3 Footwell Module, pulled directly from a low-mileage donor vehicle. Every unit undergoes rigorous bench testing to confirm all fifteen relay and transistor outputs are functioning correctly prior to sale, ensuring you receive a fully verified, working component rather than a gamble. Unlike aftermarket reproduction boards, this Genuine Used module retains the exact factory hardware signature required for seamless integration with your chassis via ISTA/ESYS coding. We guarantee this part is Genuine Used and Tested, saving you the high cost of a new dealer unit while restoring full functionality to your lighting and body electronics.

Product Details

• Brand: BMW
• Model Compatibility: F10 5-Series (2011-2017)
• Part Name: FRM3 Footwell Module
• Condition: Genuine Used (Tested Working)
• Notes: Requires VIN-specific coding (ISTA-P) and Rewiring/Adaptation. Please provide the VIN of the donor vehicle prior to purchase to verify hardware compatibility (Non-LCI vs LCI variants may differ).