BMW 740iL Windshield Washer Pump Guide (1993-2001)
Fix your non-spraying washers with this guide to replacing the windshield washer pump on your E38 740iL.
- A silent pump usually means it has failed, while a humming pump with no spray points to a clogged filter.
- Replacing the small rubber grommet/filter with the pump is critical to prevent future clogs and leaks.
- Aftermarket pumps are a cost-effective and reliable solution for this common repair.
- Verify your pump's electrical connector shape before ordering, as there can be variations.
Is Your Windshield Washer Pump Failing?
A failing washer pump on the E38 740iL is a common issue, but it's usually simple to diagnose. The signs are straightforward and often point directly to the pump or a related component.
- No Sound, No Fluid: If you pull the washer stalk and hear nothing, the pump motor has likely failed. Before ordering a new part, it's wise to check the fuse first just in case.
- Pump Hums, But No Fluid Sprays: Hearing the pump motor run without any spray on the windshield is a classic symptom of a clogged filter. A small screen grommet where the pump enters the reservoir gets blocked by debris or gelled washer fluid.
- Weak Spray: If the spray is weak or dribbles out, this also points to a clogged filter or, in some cases, failing internal components of the pump.
- Visible Fluid Leak: Puddles of blue or green washer fluid under the front passenger side of the car indicate a leak. This can be from a cracked pump housing or, more commonly, a dried-out and cracked rubber grommet that seals the pump to the reservoir.
Known Issue: Clogged Pump Filter
🎬 Watch how to fix a clogged pump for free.BMW issued a service bulletin (SI B61 01 09) acknowledging that the washer pump's filter screen can get clogged. This is often caused by using plain tap water or incompatible washer fluids, which can lead to an "algae-like" buildup. Using only quality, premixed washer fluid is recommended. The bulletin also warns that attempting to run the pump while it's clogged or the tank is empty can cause permanent damage to the motor.
Choosing the Right Aftermarket Pump
For a vehicle like the 1993-2001 740iL, an aftermarket washer pump is a practical and budget-friendly choice. The original OEM pumps are not immune to failure, especially from clogging, so paying a premium for an OEM part doesn't guarantee a longer life if the underlying issue (like debris in the tank) isn't addressed. Aftermarket brands offer a reliable solution at a much lower cost.
When shopping, you will find several brands available:
- Continental: Often a supplier of original parts to BMW, a Continental-branded aftermarket part is typically a high-quality choice that closely matches OEM specifications.
- Vemo: A well-regarded aftermarket brand that produces a wide range of electronic components for European vehicles. It's considered a solid, reliable option by many owners.
- URO Parts: Known for providing affordable alternatives to OEM parts. For a non-critical component like a washer pump, URO is a popular choice for budget-conscious repairs.
- Trico: While famous for wiper blades, Trico also offers other wiper system components. Their pumps are a viable replacement option.
Pro Tip: Before you order, check the electrical connector on your car's current pump. Some E38 models have different plug shapes (oval vs. rectangular with a divot). A quick visual check can save you the hassle of a return.
Cost of Replacing a BMW 740iL Washer Pump
| Part or Service | Estimated Cost |
|---|---|
| New Aftermarket Pump | $13 - $41 |
| New OEM Pump | $60 - $90 |
| Shop Labor | $100 - $180 |
| DIY Total | $13 - $41 |
| Shop Total | $113 - $221 |
Cost estimates are for the part only and do not include taxes or shipping. Labor costs are based on an estimated 1-hour job at typical independent shop rates.
Frequently Asked Questions (FAQ)
Is this a difficult job to do myself?
No, this is a great DIY job for beginners. It requires basic tools, jacking up the car safely, and removing the front passenger wheel and part of the fender liner. 🎬 Watch this step-by-step DIY guide to replacing the pump. The entire process usually takes about an hour.
Do I need to replace the grommet and filter?
Yes, it is highly recommended. The rubber grommet that seals the pump can become brittle and cause leaks. This grommet often has an integrated filter screen that gets clogged. Most aftermarket pumps come with a new grommet, which you should always use.
My car has headlight washers. Is this the same pump?
No. The headlight washer system uses a separate, larger pump. The windshield washer pump is the smaller of the pumps attached to the reservoir. Make sure you are ordering the correct part for the windshield.
Can I reuse the old washer fluid?
It is not recommended. When you remove the old pump, all the fluid will drain from the reservoir. This is a good opportunity to let any sediment or debris flush out. Refill with fresh, high-quality windshield washer fluid.
What if the new pump doesn't work?
First, listen for the humming sound to confirm it's running. If it runs but doesn't spray, check for broken or disconnected hoses, 🎬 See how to troubleshoot and repair common washer system issues. which can become brittle with age. If it makes no sound, re-check the electrical connection and the fuse. You can also use a multimeter to confirm that 12V is being sent to the connector when the stalk is pulled.
Helpful Videos
Technical Specifications
OEM Part Numbers: 67128360244 67128377612 61661380066 61661380068 61668360614 61661377830
Location: Front passenger wheel well, push-fit into washer reservoir. Power: 12V. Connection: Oval or rectangular electrical plug.
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 740iL: