BMW • M •
MAD1
Category: M Performance
M Aerodynamic diffuser
Rear aerodynamic diffuser.
M code confirming an M-developed rear diffuser for improved airflow.
Want the full factory build sheet for your car?
Get a complete VehicleDataSheet (options, equipment, specs) for your VIN.
Related M codes
- M MDR5 — M Driving data recorder
- M MCH2 — M Chassis control logic
- M MBR2 — M Brake response tuning
- M MAD3 — M Aero balance package
- M MSW1 — M Steering wheel heating
- M MGT2 — M Track geometry Plus
Frequently Asked Questions
What does M code MAD1 mean?
M code MAD1 is a factory equipment code used by BMW to describe a specific vehicle configuration or component.
Where can I find M code MAD1 on my car?
This code is typically found in the vehicle’s factory build data, service documentation, or can be confirmed by decoding the VIN.
Does M code MAD1 affect maintenance or parts?
Yes. Factory codes determine correct parts selection, software compatibility, and service procedures for your exact vehicle configuration.
How can I verify M code MAD1 for my vehicle?
The most reliable way is to order a complete Vehicle Data Sheet decoded directly from your vehicle’s VIN.