What Our Repair Service Covers
Professional repair of your original FRM3 or FRM3R module (PL2 or PL3)
Restoration of module data, coding and functionality
No coding needed afterwards—module returns ready to fit and go
Fixed-price service with next-day return shipping included
Compatible Modules & Vehicles
Our service supports modules labelled FRM3 or FRM3R (the all-plastic case versions) fitted across a range of BMW E-Series vehicles. Please check the label on your unit to confirm compatibility. FRM1/FRM2 (metal-backed) units are excluded from this repair service.
Typical Symptoms of FRM3 Failure
Your vehicle may need this service if you experience any of these issues:
Electric windows that stop working
Wipers not responding
Headlights or interior lights locked ON
Indicators or hazard lights non-functional
No communication with diagnostic tools
Error codes related to the footwell module
How the Repair Process Works
1. Place your order online
Select the service and complete your booking.
2. Send your faulty module to us
Package your FRM3 module securely and include your order number and contact details. Send to:
SLT Remapping & Diagnostics
6 Fell Rd, Attercliffe,
Sheffield S9 2AL,
United Kingdom
3. We repair your module
We investigate the internal fault, restore corrupted software or data, test outputs, and ensure full communication functions are restored.
4. We return your module ready to fit
Your repaired FRM3 will arrive plug-and-play—install it and the vehicle’s systems will behave as originally intended.
Why Work With Us
Over 25 years’ experience in automotive electronics and module repair
In-house UK technicians performing every repair
Transparent pricing with no hidden fees
Quick turnaround and national service
Trusted by independent workshops and vehicle owners alike
Important Details
This listing is for the repair of your existing FRM3/FRM3R module—we do not supply replacement units.
Ensure the module label clearly reads “FRM3” or “FRM3R” (PL2 or PL3 version).
If your module has heavy water damage, corrosion or tampering, we will contact you to discuss options before proceeding.
Please package the module securely to prevent transit damage.





