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Behr Hella Service 376705431 - Engine Coolant Reservoir
Behr Hella Service Expansion Tank 376705431 - For BMW Vehicles
Manufacturer Part Number: 376705431
The Behr Hella Service Expansion Tank is a premium-quality coolant recovery tank designed to enhance the efficiency of your BMW's cooling system. Engineered to OEM standards, this expansion tank plays a crucial role in your vehicle's thermal management by storing excess pressure and coolant as your radiator heats up. A properly functioning expansion tank ensures your radiator remains full, preventing overheating and potential engine damage.
If you notice low coolant levels, it may indicate a leak, which can be checked using a pressure tester. Don't wait for a catastrophic cooling system failure; replace a damaged recovery tank immediately to maintain your vehicle's optimal performance.
Cross Reference Numbers
- BMW:17111723071
- BMW:17111741167
- BMW:1741167
- Partslink:BM3014101
Vehicle Compatibility
This part fits some of the popular models below. For Fitment Confidence, please use the vehicle selector tool above to verify exact compatibility.
- BMW 540i / 4.4V8, 1998-2003
- BMW 740i / 4.4V8, 1998-2001
- BMW 740iL / 4.4V8, 1998-2001
- BMW 750iL / 5.4V12, 1998-2001
- BMW 840Ci / 4.4V8, 1997-1999
- BMW 850Ci / 5.4V12, 1995-2002
- BMW 850i / 5.0V12, 1991-1992
- BMW 850CSi / 5.6V12, 1994-1995
- BMW 740i / 4.0V8, 1995
Why Shop at eEuroparts.com?
Since 2000, eEuroparts.com has been a trusted destination for European car owners looking for reliable parts at great prices. Here's why customers choose us:
- Proven Expertise: Over 25 years of experience with European vehicles means we know your car inside and out.
- Fitment Confidence: Our accurate cataloging ensures you get the right part the first time.
- Fast, Reliable Shipping: Orders ship quickly from our U.S.-based warehouses.
- Transparent Pricing: Competitive prices with no hidden fees or surprise charges.
- Established Trust: Serving the European auto community since 2000.
Frequently Asked Questions
What does this part do?
The expansion tank, or coolant recovery tank, serves as a reservoir for excess coolant and pressure from the radiator. It helps maintain proper coolant levels and ensures efficient operation of the cooling system, preventing overheating and potential engine damage.
What vehicles is this part compatible with?
This expansion tank is compatible with various BMW models, including the 540i, 740i, 740iL, and 750iL from 1998 to 2003. To confirm fitment, please utilize the vehicle selector tool above.
What are common signs this part may need replacement?
Key symptoms of a failing expansion tank include visible coolant leaks, low coolant levels, overheating engine, and a damaged or cracked tank. If you notice any of these signs, it is important to replace the tank promptly to avoid further damage to your vehicle's cooling system.
- BrandBehr Hella Service
- ManufacturerBehr Hella Service
- MPN376705431
- Part TypeEngine Coolant Reservoir
- OE Part Numbers1741167, 17 11 1 741 167, 17111741167, 17111723071
- Cross Reference NumbersBM3014101
- Fitment
- Fitment TypeVehicle Specific
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 1994 | BMW | 840Ci | Base (4.0 V8 GAS) | Engine: M60, Notes: OE SUPPLIER - Behr Hella Service is the thermal management expert- from air conditioning to engine cooling. |
| 1994 | BMW | 850CSi | Base (5.6 V12 GAS) | Engine: S70, Notes: OE SUPPLIER - Behr Hella Service is the thermal management expert- from air conditioning to engine cooling. |
| 1994 | BMW | 850Ci | Base (5.0 V12 GAS) | Engine: M70, Notes: OE SUPPLIER - Behr Hella Service is the thermal management expert- from air conditioning to engine cooling. |
| 1992 | BMW | 850i | Base (5.0 V12 GAS) | Engine: M70, Notes: OE SUPPLIER - Behr Hella Service is the thermal management expert- from air conditioning to engine cooling. |
| 1991 | BMW | 850i | Base (5.0 V12 GAS) | Engine: M70, Notes: OE SUPPLIER - Behr Hella Service is the thermal management expert- from air conditioning to engine cooling. |
| 1995 | BMW | 850CSi | Base (5.6 V12 GAS) | Engine: S70, Notes: OE SUPPLIER - Behr Hella Service is the thermal management expert- from air conditioning to engine cooling. |
| 1995 | BMW | 850Ci | Base (5.4 V12 GAS) | Engine: M73, Notes: OE SUPPLIER - Behr Hella Service is the thermal management expert- from air conditioning to engine cooling. |
| 1995 | BMW | 840Ci | Base (4.0 V8 GAS) | Engine: M60, Notes: OE SUPPLIER - Behr Hella Service is the thermal management expert- from air conditioning to engine cooling. |
| 1995 | BMW | 750iL | Base (5.4 V12 GAS) | Engine: M73, Notes: OE SUPPLIER - Behr Hella Service is the thermal management expert- from air conditioning to engine cooling. |
| 1995 | BMW | 740iL | Base (4.0 V8 GAS) | Engine: M60, Notes: OE SUPPLIER - Behr Hella Service is the thermal management expert- from air conditioning to engine cooling. |
| 1995 | BMW | 740i | Base (4.0 V8 GAS) | Engine: M60, Notes: OE SUPPLIER - Behr Hella Service is the thermal management expert- from air conditioning to engine cooling. |
| 1997 | BMW | 850Ci | Base (5.4 V12 GAS) | Engine: M73, Notes: OE SUPPLIER - Behr Hella Service is the thermal management expert- from air conditioning to engine cooling. |
| 1997 | BMW | 840Ci | Base (4.4 V8 GAS) | Engine: M62, Notes: OE SUPPLIER - Behr Hella Service is the thermal management expert- from air conditioning to engine cooling. |
| 1997 | BMW | 750iL | Base (5.4 V12 GAS) | Engine: M73, Notes: OE SUPPLIER - Behr Hella Service is the thermal management expert- from air conditioning to engine cooling. |
| 1997 | BMW | 740iL | Base (4.4 V8 GAS) | Engine: M62, Notes: OE SUPPLIER - Behr Hella Service is the thermal management expert- from air conditioning to engine cooling. |
| 1997 | BMW | 740i | Base (4.4 V8 GAS) | Engine: M62, Notes: OE SUPPLIER - Behr Hella Service is the thermal management expert- from air conditioning to engine cooling. |
| 1997 | BMW | 540i | Base (4.4 V8 GAS) | Notes: OE SUPPLIER - Behr Hella Service is the thermal management expert- from air conditioning to engine cooling. |
| 1996 | BMW | 850Ci | Base (5.4 V12 GAS) | Engine: M73, Notes: OE SUPPLIER - Behr Hella Service is the thermal management expert- from air conditioning to engine cooling. |
| 1996 | BMW | 840Ci | Base (4.4 V8 GAS) | Engine: M62, Notes: OE SUPPLIER - Behr Hella Service is the thermal management expert- from air conditioning to engine cooling. |
| 1996 | BMW | 750iL | Base (5.4 V12 GAS) | Engine: M73, Notes: OE SUPPLIER - Behr Hella Service is the thermal management expert- from air conditioning to engine cooling. |
| 1996 | BMW | 740iL | Base (4.4 V8 GAS) | Engine: M62, Notes: OE SUPPLIER - Behr Hella Service is the thermal management expert- from air conditioning to engine cooling. |
| 1993 | BMW | 850Ci | Base (5.0 V12 GAS) | Engine: M70, Notes: OE SUPPLIER - Behr Hella Service is the thermal management expert- from air conditioning to engine cooling. |
| 2001 | BMW | 750iL | Base (5.4 V12 GAS) | Engine: M73N, Notes: OE SUPPLIER - Behr Hella Service is the thermal management expert- from air conditioning to engine cooling. |
| 2001 | BMW | 740iL | Base (4.4 V8 GAS) | Engine: M62, Notes: OE SUPPLIER - Behr Hella Service is the thermal management expert- from air conditioning to engine cooling. |
| 2001 | BMW | 740i | Base (4.4 V8 GAS) | Engine: M62, Notes: OE SUPPLIER - Behr Hella Service is the thermal management expert- from air conditioning to engine cooling. |
| 2001 | BMW | 540i | Base (4.4 V8 GAS) | Notes: OE SUPPLIER - Behr Hella Service is the thermal management expert- from air conditioning to engine cooling. |
| 2000 | BMW | 750iL | Base (5.4 V12 GAS) | Engine: M73N, Notes: OE SUPPLIER - Behr Hella Service is the thermal management expert- from air conditioning to engine cooling. |
| 2000 | BMW | 740iL | Base (4.4 V8 GAS) | Engine: M62, Notes: OE SUPPLIER - Behr Hella Service is the thermal management expert- from air conditioning to engine cooling. |
| 2000 | BMW | 740i | Base (4.4 V8 GAS) | Engine: M62, Notes: OE SUPPLIER - Behr Hella Service is the thermal management expert- from air conditioning to engine cooling. |
| 2000 | BMW | 540i | Base (4.4 V8 GAS) | Notes: OE SUPPLIER - Behr Hella Service is the thermal management expert- from air conditioning to engine cooling. |
| 1999 | BMW | 750iL | Base (5.4 V12 GAS) | Engine: M73N, Notes: OE SUPPLIER - Behr Hella Service is the thermal management expert- from air conditioning to engine cooling. |
| 1999 | BMW | 740iL | Base (4.4 V8 GAS) | Engine: M62, Notes: OE SUPPLIER - Behr Hella Service is the thermal management expert- from air conditioning to engine cooling. |
| 1999 | BMW | 740i | Base (4.4 V8 GAS) | Engine: M62, Notes: OE SUPPLIER - Behr Hella Service is the thermal management expert- from air conditioning to engine cooling. |
| 1999 | BMW | 540i | Base (4.4 V8 GAS) | Notes: OE SUPPLIER - Behr Hella Service is the thermal management expert- from air conditioning to engine cooling. |
| 1998 | BMW | 750iL | Base (5.4 V12 GAS) | Engine: M73N, Notes: OE SUPPLIER - Behr Hella Service is the thermal management expert- from air conditioning to engine cooling. |
| 1998 | BMW | 740iL | Base (4.4 V8 GAS) | Engine: M62, Notes: OE SUPPLIER - Behr Hella Service is the thermal management expert- from air conditioning to engine cooling. |
| 1998 | BMW | 740i | Base (4.4 V8 GAS) | Engine: M62, Notes: OE SUPPLIER - Behr Hella Service is the thermal management expert- from air conditioning to engine cooling. |
| 1998 | BMW | 540i | Base (4.4 V8 GAS) | Notes: OE SUPPLIER - Behr Hella Service is the thermal management expert- from air conditioning to engine cooling. |
| 2003 | BMW | 540i | Base (4.4 V8 GAS) | Notes: OE SUPPLIER - Behr Hella Service is the thermal management expert- from air conditioning to engine cooling. |
| 2002 | BMW | 540i | Base (4.4 V8 GAS) | Notes: OE SUPPLIER - Behr Hella Service is the thermal management expert- from air conditioning to engine cooling. |
Warranty Overview
At eEuroparts, we stand behind the quality of the products we sell. Every part we offer is backed by a warranty designed to give you peace of mind and protect your investment.
Standard Warranty – Most Parts
Coverage: 2 years or 24,000 miles (whichever comes first) from purchase date.
Protection: Defects in materials or workmanship under normal personal use.
Eligibility: Applies only to the original purchaser and the vehicle where the part was first installed.
Exclusions:
Wear-and-tear items (brake pads, filters, bulbs, wipers, etc.)
Commercial, fleet, rideshare, off-road, or racing use
Improper installation, misuse, accidents, or modifications
Not Covered: Labor, shipping, towing, or incidental costs.
Bison Performance Warranty – Our House Brand
Coverage: Limited Lifetime Warranty for as long as you own your vehicle.
Applies To: All products sold under the Bison Performance label.
Premium Protection: Goes beyond our standard warranty — if it’s a Bison product, the 2-year/24k mile limit is replaced with lifetime coverage.
Exclusions: Same as the standard warranty (normal wear, commercial use, improper installation, etc.).
What’s Included: Replacement of the defective product (labor and shipping excluded).
Warranty Claim Requirements
To keep claims fast and fair, we require:
Proof of purchase (invoice or order confirmation).
Photos or videos showing the defective part, order number, date, VIN, and odometer reading.
Diagnostic reports or part returns for non-visible issues may be requested.
Claims must be truthful, properly documented, and reflect normal consumer use.
Buy With Confidence: We back our products because we believe in their quality, with a transparent, customer-first warranty process you can trust. And with Bison Performance products, you’ll enjoy Limited Lifetime protection—an assurance few brands can match.
For full details and exclusions, please see our complete Warranty Terms & Conditions.
This summary is for convenience only. For full warranty coverage details, exclusions, and requirements, see our official Warranty Terms & Conditions. In case of conflict, the full policy governs.
Return Policy Overview
Most parts can be returned within 30 days of delivery if unused, uninstalled, and in original packaging.
To start a return, contact customer support via Chat or Contact Us.
Restocking fee: Up to 20% may apply for certain orders (buyer’s remorse, order errors, or special-order items)
Refunds: Issued to your original payment method within 3–5 business days after inspection
Exchanges: Not automatic — please return and reorder
Replacements: May be approved for incorrect or defective items reported within 7 days
Not returnable:
Used or installed parts
Electrical components
Opened filter kits, gaskets, or contaminated items
Final sale or custom orders
Important Notes:
Return shipping is your responsibility unless we made a verified error
Fitment is the customer’s responsibility (we can assist, but do not guarantee)
Country of origin may vary and is not grounds for return
For complete details, please see our full Return Policy.
This Returns summary is provided for convenience only. All returns, refunds, and exchanges are subject to the complete Returns Policy. In the event of any conflict, the full policy governs.
Fast, Reliable Shipping — Straight to Your Door
We ship most orders the same day when placed before 2 PM CST (Monday–Friday). Our main warehouse is just east of Nashville, TN, and we also ship from multiple locations nationwide to get your order to you as quickly as possible.
We use trusted carriers like UPS, FedEx, and USPS.
Tracking info is emailed to you as soon as your order ships.
Delivery estimates at checkout are based on carrier data, but not guaranteed.
Need help with a shipment?
If your order is missing, damaged, or incorrect, just let us know within 5 days of delivery. We’ll walk you through the quick claim process — including a few photos to help us make things right.
For complete details, please see our full Shipping Policy.
This Shipping summary is provided for convenience only. Delivery times, carrier terms, fees, restrictions, risk of loss, and other details are governed by our complete Shipping Policy. In the event of any conflict, the full policy governs.






