Here is the HPS Black Silicone Heater+Throttle Body Coolant+Expansion Tank Coolant Hose Kit For 92-95 BMW 325i 325is 2.5L M50 E36, listed with the specifications that actually decide whether it fits.

Hoses and fittings work under pressure and heat, where material choice decides service life. Replace both the upper and lower runs while the system is open.
Shops order the hps black silicone heater from us in volume because the data on the page is accurate.
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What you are buying
- Engine: 2.5L
- Material: Silicone
- Finish: Black
- Category: Hose Kits
- Price: $290.24 with free shipping over $99
- Availability: in stock, dispatched from the USA
Manufacturer specifications
HPS black high temperature reinforced silicone hose kit replaces BMW 1992-1995 325i 325is 2.5L E36 M50 stock OEM rubber Heater, Throttle Body, Expansion Tank Coolant Hoses to prevent and fix the coolant leaking and engine over heating problem caused by cracked, damaged or collapsed OEM rubber coolant hoses. The hose kit includes 100% stainless steel non-perforated embossed hose clamps for easy installation, which do not cut through the silicone hoses.
- Material: 3-Ply Reinforced Silicone
- Color: Black
- Replace stock oem heater, throttle body, expansion tank coolant hoses
- The premium grade high-heat resistance 3-ply reinforced silicone hoses are made with correct bends and curves to ensure a perfect fitment.
- Prevent and fix the coolant leaking and engine over heating problem caused by cracked, damaged or collapsed OEM rubber hoses. Made with correct bends and curves for perfect fitment.
- Race proven design with long lasting quality and engineered for extremely high temperature service (Max. 350F) and prolonged exposure to under-hood and coolant heat.
- Includes 100% stainless steel industrial grade embossed hose clamps which would not cut through the silicone hose.
Application:
For 1992-1995 BMW 325i 2.5L M50 Engine (E36)
For 1992-1995 BMW 325is 2.5L M50 Engine (E36)
Remark:
Installation: Silicone hose water permeation rate is 10 to 15 times greater than standard EPDM rubber hose. Checking water level regularly is highly recommended when silicone coolant hoses are used in a daily driving vehicle.
Product Content:
- 1 Set x Heater + Throttle Body Coolant + Expansion Tank Coolant Hose Kit
Hardware if Any is Shown in the Picture Above
The product does not come with manual/instruction, Professional Install Recommended
Cross Reference Number:
- 57-2137-BLK, 572137BLK, 57-2137
Give us the VIN and we will check trim, engine option and drive type, the three details that break fitment.
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Our warehouse team packs the way they would want their own parts to arrive.
For safety and service guidance from outside the aftermarket, see the NHTSA vehicle safety hub.
Questions we get about this part
How do I know this is the right part?
Our parts team confirms fitment before the box is sealed. Contact us with your vehicle details and we will settle it in advance.
How fast does this ship?
Same business day dispatch applies to orders placed before the early afternoon cutoff, with tracking that updates at every carrier scan.
How do returns work here?
Contact support before removing or returning anything, so the right process starts on the first message and nothing is voided by accident.
Is the part inspected before dispatch?
We verify diameter and reinforcement specification on every hose order.
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