Description
Mishimoto Silicone Radiator Hose Kit provides durable coolant routing for the BMW E30 M3 (88–91), offering OEM fitment and increased pressure tolerance for improved reliability under thermal and boost-related stress.
This replacement kit is constructed from high-grade silicone and heat-resistant embedded fibers to deliver consistent performance where OEM rubber hoses are prone to swelling, hardening, or collapse over time. Mishimoto’s engineered material selection maintains flexibility across temperature cycles while resisting degradation from coolant and heat exposure.
- High-grade silicone construction — Maintains flexibility and dimensional stability to reduce the risk of leaks or failures compared with aged rubber hoses.
- Heat-resistant embedded fibers — Reinforcement improves resistance to thermal expansion and pressure, supporting reliable coolant flow in elevated-temperature conditions.
- OEM fitment — Retains factory mounting profiles and hose routing to simplify installation without modification to existing cooling components.
- Color options — Available in black, blue, or red to match vehicle aesthetics while preserving the same fit and function as OEM parts.
Designed as a direct replacement for original radiator hoses, this Mishimoto kit focuses on functional improvements—material longevity, pressure tolerance, and consistent coolant delivery—rather than altering cooling system geometry. The kit is suitable for owners seeking a durable OEM-style upgrade that reduces maintenance intervals associated with deteriorating rubber hoses.
Why this matters: Upgrading to silicone hoses minimizes the chance of coolant loss due to hose failure, which protects engine cooling performance and reduces the risk of overheating-related damage. Maintaining OEM fitment preserves installation simplicity and ensure compatibility with existing clamps, fittings, and radiator connections.
Technical Notes
- Material: High-grade silicone with heat-resistant embedded fibers
- Fitment intent: Direct OEM replacement for BMW E30 M3 1988–1991 models
- Finish options: Black, Blue, Red
Brand: Mishimoto — recognized for engineered cooling and thermal-management components used in performance and OEM-replacement applications.
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1988-1991 | BMW | M3 | Base |
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