BMW 3 series Convertible, E93 (USA)
Brake fluid capacity & service interval
BMW 3 series Convertible, E93 (USA) uses brake fluid with a capacity range between min and max. Service intervals occur every 24 months. The data covers 1 configuration.
The configuration chart below lists fill volumes and service intervals for each engine and trim variant.
| Type | Specifications |
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Additional Notes
- The BMW 3 Series Convertible E93 M3 specifies a brake fluid change interval of 24 months under normal use conditions, which reflects the hygroscopic nature of brake fluid and its tendency to absorb moisture over time, lowering its boiling point regardless of mileage accumulated.
- The M3 Convertible's brake fluid specification covers a combined hydraulic system serving both the brake circuit and the clutch actuation, meaning a single fluid reservoir and change interval applies across both functions simultaneously.
- The Dynamic Stability Control system on the M3 Convertible is included within the hydraulic brake circuit, so the 24-month fluid change interval extends to the DSC components as well, not solely the conventional brake lines and calipers.
- Rather than a fixed volume figure, the M3 Convertible brake fluid specification is expressed as a fill level between the minimum and maximum marks on the reservoir, which is characteristic of a top-up or service-level reference rather than a measured overhaul capacity.