Overview. The BVX-6 is a new, reliable replacement valve for the Bosch monovalves used in an number of Rolls-Royce, Bentley, BMW, and Ferrari vehicles.
Features
- Vehicle-specific, drop-in replacement: mounts to the original brackets, hoses and electrical connector
- Reliable at high engine RPM and in extreme temperatures, where Bosch valves stick, leak, or operate intermittently.
- Built with technology from late-model vehicles
Fitment
| Make | Replaces OE | Models (partial) |
|---|---|---|
| BMW | 64111373188 | E28 with a horizontal output barb: 528e 1982–88, 524td 1985–86 |
| Ferrari | 61079000 | Mondial 3.2, Mondial QV, Mondial T, Testarossa |
| Rolls-Royce / Bentley | UR27683, CD6683 | Silver Spirit & Spur, Bentley SZ, Eight, Brooklands, Turbo R, 1980–2003 |
Verify by part number or visually before ordering. These lists are partial; use the OE cross-reference for other models.
Cross-reference part numbers (this valve replaces):
- BMW 64 11 1 373 188, 64111373188
- Ferrari 61079000
- Rolls-Royce / Bentley UR27683, CD6683
What’s included
- BVX-6 heater control valve
Good to know
- Warranty: 1 year from date of purchase
- Lead time: built to order, ships in 3–5 business days or less
- Compatibility: BVX Series compatibility sheet (PDF)



