The Bilstein B16 PSS9 is a fully threaded coilover kit for the E39 BMW 540i (1997-2003) and M5 (2000-2003), offering adjustable ride height and 9-stage manually adjustable damping that tunes rebound and compression together with each click. It uses monotube dampers with application-matched springs and a zinc-coated, Triple-C corrosion-resistant threaded body, lowering the vehicle approximately 30-50mm. Developed and tested under motorsport conditions, the B16 PSS9 is made in Germany.
| Type | Coilover kit (Bilstein B16 PSS9) |
| Adjustability | Ride height + 9-way damping |
| Damping | 9-stage manual (rebound + compression) |
| Construction | Monotube, zinc-coated threaded steel (Triple-C coating) |
| Lowering Range | Approximately 30-50mm |
| Part Number | 48-104555 |
Documents: Installation Instructions (PDF) | Safety Data Sheet (PDF) | Warranty (PDF)
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1997-2003 | BMW | 540i | Base |
| 2000-2003 | BMW | M5 | Base |
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