BMW 318is Windshield Washer Pump Guide (1991-1999)
A complete guide to diagnosing and replacing the windshield washer pump on your E36 BMW 318is.
- A failed washer pump is a common, easy-to-fix issue on the 1991-1999 BMW 318is.
- Always replace the small rubber grommet (part #61661365657) with the pump to prevent future leaks.
- Aftermarket pumps from brands like URO, Vemo, or Trico offer excellent value for this repair.
- The problem might be a simple clog from using tap water instead of proper washer fluid; check the pump's filter before replacing.
Is Your Windshield Washer Pump Failing?
A failed washer pump on your E36 318is is a common issue, especially on a car of this age. The symptoms are usually straightforward. If you activate the washers and the wipers move but no fluid sprays out, the pump is the most likely culprit. A key diagnostic step is to listen carefully when you pull the stalk. If you hear a faint whirring or humming sound from the front passenger side wheel well area, the pump is getting power but may be clogged or have a failed impeller. If you hear nothing at all, the pump's motor has likely failed completely.
Check for Leaks First
Before ordering a new pump, check for blue-colored puddles under the front passenger side of your car. The rubber grommet that seals the pump to the reservoir is a very common failure point. This grommet can become hard and brittle with age, causing the entire contents of your washer reservoir to leak out. If you have a leak, you must replace this grommet.
Choosing the Right Aftermarket Pump
For a non-critical part like a washer pump on an E36, choosing an aftermarket brand is a smart way to save money. The Genuine BMW part can be costly, and quality aftermarket options perform the same function for a fraction of the price. Here’s a breakdown of the available brands.
- Value Tier (URO Parts): URO Parts is a budget-friendly brand that offers a direct replacement for the original pump. For a simple part like this, it's a popular choice among owners who want a quick, inexpensive fix. While the brand's reputation can be mixed on more complex parts, the washer pump is a low-risk component, making URO a sensible option.
- Mid-Grade Tier (Vemo, Trico): Brands like Vemo and Trico often represent a step up in perceived quality without a major price increase. Vemo is a well-known supplier of various European car parts. Trico, famous for wiper blades, also produces washer pumps designed for easy, direct-fit installation. These brands are a solid middle ground for owners wanting a balance of price and reliability.
- OEM-Equivalent Tier (Febi-Bilstein, Hella): For those who prefer a higher-quality part without paying for the BMW logo, brands like Febi-Bilstein and Hella are excellent choices. These companies are often original equipment manufacturers for BMW and other German brands, meaning their parts meet very high standards. They offer top-tier reliability and fitment, sometimes with a better warranty.
Pro Tip: No matter which pump you buy, always replace the rubber sealing grommet (OEM Part #61661365657) at the same time. It costs only a few dollars and will prevent leaks, saving you from having to do the job twice.
Replacement Cost
Replacing the washer pump is a great DIY project. However, if you take it to a shop, expect to pay for about 0.5 to 1 hour of labor. The costs break down as follows:
| Part Type | Estimated Cost |
|---|---|
| New Aftermarket Pump | $13.87 - $40.33 |
| New Genuine BMW Pump | $55 - $90 |
| Shop Labor | $75 - $150 |
| Total (Shop Repair) | $90 - $190 |
Frequently Asked Questions (FAQ)
Is replacing the washer pump a difficult DIY job?
No, it is considered an easy DIY project for most owners. It requires basic tools, jacking up the car, and removing the front passenger wheel and part of the wheel well liner to get access. The pump itself just pulls out and the new one pushes in. The entire job can be done in under an hour.
My pump runs, but the spray is weak or non-existent. Is the pump bad?
Not necessarily. First, check for clogged washer nozzles by clearing them with a small pin. If that doesn't work, your system could have a blockage. A common cause is algae-like growth on the pump's filter screen, especially if you've used plain tap water in the reservoir. You can try cleaning the filter before replacing the entire pump.
Do I need to buy a special pump for my 318is?
Yes, you need a pump that is specified for the E36 chassis. This guide is for the windshield washer pump only, not the intensive cleaning system or headlight washers, which use a different pump. The primary OEM part number to cross-reference is 67128362154. Always confirm fitment for your specific model year before purchasing.
Can I just use water in my washer reservoir?
It is strongly advised not to use only water. Using plain tap water can lead to the growth of an "algae-like" substance that will clog the pump's filter and the washer lines. Always use a proper windshield washer fluid or a concentrate mixed to the correct ratio to keep the system clean and prevent freezing in the winter.
Technical Specifications
OEM Part Numbers: 67128362154 67128377612 67120154873 61661380068
This is a single-outlet pump for the front windshield washer system only. It does not operate the headlight washers. It installs directly into the washer fluid reservoir, which is located in the front passenger-side wheel well.
We Have This Part in Stock
The information in this article is provided for general reference and educational purposes only. Vehicle specifications, procedures, and part compatibility can vary by production date, trim level, and region. Always consult your vehicle's factory service manual and verify part numbers before purchasing or performing repairs. Safety-critical components such as airbags, seat belts, and braking systems should be installed by a qualified professional.
- BMW 318is: