---
product_id: 629620169
title: "Radiator Coolant Expansion Tank Bleeder Screw, 17111712788 Coolant Air Bleeder Screw with Rubber O-ring, Radiator Expansion Tank Drain Screw for X3 X5, Car Accessories"
brand: "povtii"
price: "$18"
currency: NZD
in_stock: true
reviews_count: 8
url: https://www.desertcart.nz/products/629620169-radiator-coolant-expansion-tank-bleeder-screw-17111712788-coolant-air-bleeder
store_origin: NZ
region: New Zealand
---

# M10x1 diameter High temp resistance Easy installation Radiator Coolant Expansion Tank Bleeder Screw, 17111712788 Coolant Air Bleeder Screw with Rubber O-ring, Radiator Expansion Tank Drain Screw for X3 X5, Car Accessories

**Brand:** povtii
**Price:** $18
**Availability:** ✅ In Stock

## Summary

> 🔧 Upgrade Your Ride with Confidence!

## Quick Answers

- **What is this?** Radiator Coolant Expansion Tank Bleeder Screw, 17111712788 Coolant Air Bleeder Screw with Rubber O-ring, Radiator Expansion Tank Drain Screw for X3 X5, Car Accessories by povtii
- **How much does it cost?** $18 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/629620169-radiator-coolant-expansion-tank-bleeder-screw-17111712788-coolant-air-bleeder)

## Best For

- povtii enthusiasts

## Why This Product

- Trusted povtii brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Safety First:** Prevents overheating and maintains optimal pressure.
- • **Built to Last:** High-quality brass construction ensures durability.
- • **Quick and Easy:** Simple installation process for hassle-free use.
- • **Leak-Proof Design:** Includes a robust rubber O-ring for a secure fit.
- • **Compatibility is Key:** Fits select BMW models like X3, X5, Z3, and more.

## Overview

The Radiator Coolant Expansion Tank Bleeder Screw is a high-quality automotive accessory designed for select BMW models. It features a durable brass construction, a reliable rubber O-ring, and a straightforward installation process, ensuring optimal performance and safety for your vehicle's cooling system.

## Description

Full description not available

## Features

- 【Range of Compatibility】: The OEM number of this screw is 17111712788. It is only compatible with certain specific models, such as X3, X5, Z3, Z4, 325i, 328i, 525i, 528i, etc. You can check all fitments on the description page. Please be sure to check the OEM number, model and year to make sure it fits before ordering.
- 【Safety Features】: The automotive coolant bleed screw is used to control the pressure and temperature inside the radiator coolant tank. It prevents overpressure in the tank and overheating of the car engine, ensures the normal operation of your car and improves safety on the road.
- 【Reliable Material】: The coolant bleeder screw is made of high quality brass. It is hard and wear-resistant enough that it won't break or deform easily. It is resistant to high pressure and high temperature, suitable for various working environments. It is not easily corroded or rusted and can be used for a long time.
- 【Rubber O-ring】: This screw comes with a durable rubber O-ring. It is abrasion-resistant and stable in shape, which enables the bleeder screw to fit tightly into the opening of the coolant tank of the car radiator, preventing it from loosening and falling off, and avoiding air and liquid leakage.
- 【Quick Installation】: Installation of this car coolant bleeder screw is simple and convenient. It has a mounting diameter of M10x1. You can simply place the supplied rubber O-ring into the bleeder screw and tighten the bleeder screw into the opening of your car's coolant tank.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | povtii |
| Brand | povtii |
| Model | Radiator Coolant Expansion Tank Bleeder Screw |
| Item Weight | 0.317 ounces |
| Package Dimensions | 3.66 x 2.6 x 0.67 inches |
| Item model number | Expansion Tank Bleeder Screw |
| Manufacturer Part Number | povtii-2330RC |

## Images

![Radiator Coolant Expansion Tank Bleeder Screw, 17111712788 Coolant Air Bleeder Screw with Rubber O-ring, Radiator Expansion Tank Drain Screw for X3 X5, Car Accessories - Image 1](https://m.media-amazon.com/images/I/51sySJtIU4L.jpg)
![Radiator Coolant Expansion Tank Bleeder Screw, 17111712788 Coolant Air Bleeder Screw with Rubber O-ring, Radiator Expansion Tank Drain Screw for X3 X5, Car Accessories - Image 2](https://m.media-amazon.com/images/I/611Li2O1cSL.jpg)
![Radiator Coolant Expansion Tank Bleeder Screw, 17111712788 Coolant Air Bleeder Screw with Rubber O-ring, Radiator Expansion Tank Drain Screw for X3 X5, Car Accessories - Image 3](https://m.media-amazon.com/images/I/61ySINE14gL.jpg)
![Radiator Coolant Expansion Tank Bleeder Screw, 17111712788 Coolant Air Bleeder Screw with Rubber O-ring, Radiator Expansion Tank Drain Screw for X3 X5, Car Accessories - Image 4](https://m.media-amazon.com/images/I/61mz5QK3gdL.jpg)
![Radiator Coolant Expansion Tank Bleeder Screw, 17111712788 Coolant Air Bleeder Screw with Rubber O-ring, Radiator Expansion Tank Drain Screw for X3 X5, Car Accessories - Image 5](https://m.media-amazon.com/images/I/61kx4rVxSyL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Worth the money
*by D***E on July 13, 2025*

This bolt is very important for people having trouble with radiator and overheating

### ⭐⭐⭐⭐⭐ Works amazing
*by R***S on May 24, 2025*

Worked great definitely great buy

### ⭐ Not for fans Rover lr4
*by J***N on February 26, 2025*

I bright this because I snap the drain plug screw while flushing the coolant system after changing the water pump so I bought this screw and it does not fit at all it doesn't even twist down so if you have an LR4 or Land Rover in general do not buy this product.

## Frequently Bought Together

- povtii Radiator Coolant Expansion Tank Bleeder Screw, 17111712788 Coolant Air Bleeder Screw with Rubber O-ring, Radiator Expansion Tank Drain Screw for X3 X5, Car Accessories
- Dorman 902-404 Coolant Air Bleeder Screw Compatible with Select Models

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-01-27*