

MAD BMW G90/G99 M5 - 5" Single Midpipe is a BMW tuning and performance upgrade available under reference MAD137. Use this BavariaMotor product guide to compare compatibility, specifications and purchase details.
Buy MAD BMW G90/G99 M5 - 5" Single Midpipe for BMW
| Part number | MAD137 |
|---|---|
| Supplier / brand | Mad Performance |
| Part type | Exhausts/Downpipes |
| Indicative price | Approximately €658.33 at the time the source data was checked. Prices and availability can change. |
BMW compatibility and fitment
Fitment information is a guide, not a substitute for a VIN check. BMW can use different components within the same model year.
- By converting the system into a true 5-inch single, the G90/G99 gains a deep, powerful, and aggressive tone while remaining incredibly clean in the midrange.
- The result is a tone that’s fuller, deeper, and more refined all while retaining the signature aggression an M5 should have from day one.
- Key Features First-ever 5" single midpipe for the G90/G99 M5 Delivers a deep, aggressive, and full-bodied tone True single design for the cleanest possible sound Zero rasp / zero…
- Fitment BMW G90 M5 BMW G99 M5 Touring
OEM and cross-reference numbers
MAD137
BMW tuning checks before ordering
- Compare the complete part number, including any superseded number.
- Verify the vehicle VIN, production date, engine and option codes.
- Compare connector, mounting position and left/right orientation where applicable.
- Confirm any required supporting tune, hardware and professional installation.
Frequently asked questions
Will MAD137 fit my BMW?
Confirm the reference, chassis, engine, VIN and production date before purchase.
Is the EUR price final?
No. It is an indicative conversion and may exclude delivery, tax, duties or supplier price changes.
Does this performance part require installation or tuning?
Requirements vary by product. Confirm supporting hardware, software and installation needs before ordering.
Compatibility, availability and pricing must be confirmed before ordering.




