Shopping the HPS Blue Silicone Heater+Throttle Body Coolant+Expansion Tank Coolant Hose Kit For 92-95 BMW 325i 325is 2.5L M50 E36? Everything you need to choose correctly is on this page.

Silicone tolerates far more heat than standard rubber and stays flexible for many years. Use constant tension or lined clamps so the hose surface survives heat cycles.
Shops order the hps blue silicone heater from us in volume because the data on the page is accurate.
If your build is unusual, tell us and we will confirm the hps blue silicone heater against it.
The hps blue silicone heater ships protected, because a damaged part helps nobody.
Drivers choose the hps blue silicone heater here for honest specification detail and quick dispatch.
Buyers comparing the hps blue silicone heater will find the specification detail on this page rather than in a catalog footnote.
The hps blue silicone heater listed here is checked against your vehicle before dispatch.
Specifications
- Engine: 2.5L
- Material: Silicone
- Finish: Blue
- Category: Hose Kits
- Price: $290.24 with free shipping over $99
- Availability: in stock, dispatched from the USA
Manufacturer specifications
HPS blue 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: Blue
- 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-BLUE, 572137BLUE, 57-2137
Shops ordering in volume can send a full parts list and we will verify the whole job in one reply.
See also: Hoses & Fittings · HPS Blue 3-Ply Reinforced Silicone Breather Hose Kit For 95-98 Nissan Skyline GTR RB26DETT Twin Turbo (R33) · HPS Black 3-Ply Reinforced Silicone Breather Hose Kit For 95-98 Nissan Skyline GTR RB26DETT Twin Turbo (R33) · full catalog
You get honest delivery estimates rather than optimistic ones, quoted live for your address.
When you want a second opinion that is not a parts store, read the fuel economy maintenance guidance.
Frequently asked questions
How do I know this is the right part?
Trim level, engine option and drive type decide most fitment questions. Send those three details or the VIN and we will check them for you.
How quickly can I get this?
Most orders dispatch within one business day. You receive tracking by email the moment the parcel is handed to the carrier.
What happens if it arrives damaged?
Contact support before removing or returning anything, so the right process starts on the first message and nothing is voided by accident.
How do you verify this part?
We verify diameter and reinforcement specification on every hose order.
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