This is the HPS Black Silicone Heater+Throttle Body Coolant+Expansion Tank Coolant Hose Kit For 92-95 BMW 325i 325is 2.5L M50 E36, stocked in our warehouse and backed by a free fitment check.

Silicone tolerates far more heat than standard rubber and stays flexible for many years. Re check clamp torque after the first few heat cycles.
The hps black silicone heater listed here is checked against your vehicle before dispatch.
Every hps black silicone heater order goes through the same fitment review.
Ordering the hps black silicone heater takes a minute and the confirmation reaches you straight away.
Our team knows the hps black silicone heater well, so ask if anything about the specification is unclear.
Stock of the hps black silicone heater is live on this page rather than estimated.
Shops order the hps black silicone heater from us in volume because the data on the page is accurate.
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
Our team checks doubtful orders by hand, so share your vehicle details and we will verify this listing against manufacturer data.
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Fast dispatch matters when a vehicle is off the road, which is why we prioritize same day picking.
Before you start the job, the fuel economy maintenance guidance is worth five minutes.
Frequently asked questions
Will this part fit my vehicle?
Our parts team confirms fitment before the box is sealed. Contact us with your vehicle details and we will settle it in advance.
How quickly can I get this?
Orders placed before early afternoon on a business day usually leave our USA warehouse the same day, and tracking is emailed when the label is created.
Can I return this part?
If the part does not fit, message our support desk with the order number and we will arrange an exchange or refund. Keep the packaging until the test fit is done.
What happens before my order ships?
Lines and fittings are checked for pressure rating, inner diameter and ply count before shipping.
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