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Bosch 66811 - Direct Injection High Pressure Fuel Pump
Product Overview
The Bosch Direct Injection High Pressure Fuel Pump, part number 66811, is engineered to meet the highest standards of quality and performance for BMW vehicles. This premium-grade fuel pump ensures optimal fuel flow, allowing your engine to run smoothly and efficiently. Designed with OE-level quality and reliability, the Bosch 66811 is a direct fit replacement for various models in the BMW lineup, reinforcing your vehicle's fuel system performance. Choose Bosch 66811 for dependable performance and peace of mind every time you service your vehicle.
Cross Reference Numbers
This Bosch 66811 is equivalent to or replaces the following part numbers: 13518604231
Vehicle Compatibility
- BMW X1 3.0L6 (2014–2015)
- BMW X3 3.0L6 (2014–2019)
- BMW X4 3.0L6 (2016–2019)
- BMW X5 3.0L6 (2014–2019)
- BMW X6 3.0L6 (2014–2019)
- BMW 2 Series 3.0L6 (2015–2019)
- BMW 3 Series 3.0L6 (2012–2015)
- BMW 4 Series 3.0L6 (2014–2018)
- BMW 5 Series 3.0L6 (2012–2017)
- BMW 6 Series 3.0L6 (2012–2018)
This may also fit other applications. Please use the vehicle selector tool to verify fitment.
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- Proven Expertise: Over 25 years of experience with European vehicles means we know your car inside and out.
- Exclusive Kits That Fitâ„¢ - complete repair solutions with no guesswork
- 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.
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- Established Trust: Serving the European auto community since 2000.
Frequently Asked Questions
What does the Bosch 66811 High Pressure Fuel Pump do?
The Bosch Direct Injection High Pressure Fuel Pump is responsible for delivering fuel at high pressure directly into the combustion chamber of your engine. This is crucial for optimal fuel atomization and combustion efficiency, enhancing engine performance and fuel economy.
How do I know if my High Pressure Fuel Pump needs replacement?
Common symptoms of a failing fuel pump include engine stalling, difficulty starting the engine, reduced engine performance, and unusual noises coming from the fuel tank area. If you experience any of these issues, it may be time to inspect or replace your Bosch 66811 fuel pump.
Can I install the Bosch 66811 myself?
Yes, the Bosch 66811 can be installed as a DIY project. However, it is important to follow safety precautions and consult your vehicle's service manual for specific installation instructions.
What are the symptoms of a faulty High Pressure Fuel Pump?
Symptoms may include engine stalling, poor acceleration, or difficulty starting the engine. If you see DTCs such as P0087 (Fuel Rail/System Pressure Too Low) and P0191 (Fuel Rail Pressure Sensor Range/Performance Problem), it may indicate a failing fuel pump.
Why should I choose Bosch for my High Pressure Fuel Pump needs?
Bosch is a trusted brand known for its high-quality automotive components. Order Bosch 66811 today for a factory-correct replacement that restores safety and performance.
Note: All information on this page and in the FAQ is for general reference only. Verify fitment and consult a professional as needed. eEuroparts.com is not responsible for incorrect part selection or installation.
- BrandBosch
- ManufacturerBosch
- MPN66811
- Part TypeDirect Injection High Pressure Fuel Pump
- OE Part Numbers13518604231
- FeaturesConnector Gender : Female
Connector Quantity : 1
Connector Shape : Square/Rectangle
Electrical : Yes
Filter Included : Yes
Fuel Delivery Type : Fuel Injection
Fuel Filter Included : Yes
Fuel Sending Unit Included : No
Fuel Tank Pressure Sensor Included : No
Fuel Type (Fuel Pump) : Gas
Fuel Type : Gas
Gasket Or Seal Included : No
Gasket Or Seal Included : Yes
Gasket Or Seal Material : Synthetic or NBR Rubber
Grade Type (Premium) : Premium
Hose Length (Fuel Pump) : 0 ft
Housing Material : Metal
Housing Width : 51 mm
In Tank Or External : External
In Tank or External : External
In-Line Pump : Y
Inlet Count : 1
Inlet Fitting Thread Size : Quick connect
Inlet Outside Diameter : 14
Inlet Size : 8 mm
Inlet Type : Threaded or quick connect
Inside Diameter : 6 mm
Lock Ring Included : No
Material : Steel
Metered : Yes
Mounting Hardware Included : No
Mounting Type : Bolt On
New Or Remanufactured : New
Nozzle Shut Off Valve Included : No
Nozzle Type : Fixed
O-Ring Included : Yes
Outlet Fitting Thread Size : M14 x 1.5
Outlet Outside Diameter : 14
Outlet Quantity : 1
Outlet Size : 14 mm
Outlet Type : Compression
Outside Diameter : 16 mm
Package Contents : 1 High Pressure Pump
Port Quantity : 2
Power Cord Length : 0 ft
Power Source : Battery
Prop 65 Warning Label Required? : No
Pump Design : Mechanical
Pump Type : Electric
Pump Type : Mechanical
Pumping Transfer Method : Piston
Regulator Included : Yes
Rim Shape : Round
Seal And Lock Ring Included : No
Seal Type : o-ring
Self Priming : Yes
Static Ground Terminal : No
Strainer Included : No
Suction Pipe Included : No
Terminal Gender : Male
Terminal Quantity : 2
Terminal Type : Blade
Thickness : 1 mm
Voltage : 12 V
Wire Gauge Measurement : 0 ga.
Wire Harness Included : No
Wiring Harness Included : No
Wiring Harness Length (mm) : 0 mm
- Fitment
- Fitment TypeVehicle Specific
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 2016 | BMW | X4 | xDrive35i (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2016 | BMW | X4 | M40i (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2016 | BMW | X6 | xDrive35i (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2016 | BMW | X6 | sDrive35i (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2016 | BMW | X5 | xDrive35i (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2016 | BMW | X5 | sDrive35i (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2016 | BMW | M2 | Base (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2016 | BMW | ActiveHybrid 5 | Base (3.0 L6 FHEV) | Notes: Includes o-ring. |
| 2016 | BMW | 535i GT xDrive | Base (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2016 | BMW | 535i GT | Base (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2016 | BMW | 535i xDrive | Base (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2016 | BMW | 335i GT xDrive | Base (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2016 | BMW | 535i | Base (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2016 | BMW | M235i xDrive | Base (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2016 | BMW | M235i | Base (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2016 | BMW | X3 | xDrive35i (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2016 | BMW | 435i xDrive Gran Coupe | Base (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2016 | BMW | 435i xDrive | Base (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2016 | BMW | 435i Gran Coupe | Base (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2016 | BMW | 435i | Base (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2016 | BMW | 640i xDrive Gran Coupe | Base (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2016 | BMW | 640i xDrive | Base (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2016 | BMW | 640i Gran Coupe | Base (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2016 | BMW | 640i | Base (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2019 | BMW | X6 | sDrive35i (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2019 | BMW | X6 | xDrive35i (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2018 | BMW | X6 | sDrive35i (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2018 | BMW | X6 | xDrive35i (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2018 | BMW | X5 | sDrive35i (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2018 | BMW | X5 | xDrive35i (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2018 | BMW | 640i xDrive Gran Coupe | Base (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2018 | BMW | 640i Gran Coupe | Base (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2018 | BMW | 640i xDrive | Base (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2018 | BMW | 640i | Base (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2018 | BMW | X4 | M40i (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2018 | BMW | M2 | Base (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2017 | BMW | 535i GT xDrive | Base (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2017 | BMW | 535i GT | Base (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2017 | BMW | M2 | Base (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2017 | BMW | X6 | sDrive35i (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2017 | BMW | X6 | xDrive35i (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2017 | BMW | X5 | sDrive35i (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2017 | BMW | X5 | xDrive35i (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2017 | BMW | X4 | M40i (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2017 | BMW | X3 | xDrive35i (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2017 | BMW | 640i xDrive Gran Coupe | Base (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2017 | BMW | 640i xDrive | Base (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2017 | BMW | 640i Gran Coupe | Base (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2017 | BMW | 640i | Base (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2015 | BMW | X6 | sDrive35i (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2015 | BMW | X6 | xDrive35i (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2015 | BMW | X5 | sDrive35i (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2015 | BMW | X5 | xDrive35i (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2015 | BMW | X4 | xDrive35i (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2015 | BMW | 535i GT xDrive | Base (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2015 | BMW | 535i GT | Base (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2015 | BMW | 535i xDrive | Base (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2015 | BMW | 535i | Base (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2015 | BMW | 335i xDrive | Base (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2015 | BMW | 335i GT xDrive | Base (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2015 | BMW | 335i | Base (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2015 | BMW | M235i xDrive | Base (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2015 | BMW | M235i | Base (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2015 | BMW | 740Li xDrive | Base (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2015 | BMW | X1 | xDrive35i (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2015 | BMW | 740Li | Base (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2015 | BMW | 740i | Base (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2015 | BMW | ActiveHybrid 7 | Base (3.0 L6 FHEV) | Notes: Includes o-ring. |
| 2015 | BMW | ActiveHybrid 5 | Base (3.0 L6 FHEV) | Notes: Includes o-ring. |
| 2015 | BMW | ActiveHybrid 3 | Base (3.0 L6 FHEV) | Notes: Includes o-ring. |
| 2015 | BMW | 435i xDrive Gran Coupe | Base (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2015 | BMW | 435i Gran Coupe | Base (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2015 | BMW | 435i xDrive | Base (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2015 | BMW | 435i | Base (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2015 | BMW | X3 | xDrive35i (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2015 | BMW | 640i xDrive | Base (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2015 | BMW | 640i | Base (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2015 | BMW | 640i xDrive Gran Coupe | Base (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2015 | BMW | 640i Gran Coupe | Base (3.0 L6 GAS) | Notes: Includes o-ring. |
| 2014 | BMW | M235i | Base (3.0 L6 GAS) | Notes: Includes o-ring., Thru 02/14, also use: (Qty.) (1) 12 51 8 638 006 adapter. |
| 2014 | BMW | X5 | sDrive35i (3.0 L6 GAS) | Notes: Includes o-ring., Thru 02/14, also use: (Qty.) (1) 12 51 8 638 006 adapter. |
| 2014 | BMW | X5 | xDrive35i (3.0 L6 GAS) | Notes: Includes o-ring., Thru 02/14, also use: (Qty.) (1) 12 51 8 638 006 adapter. |
| 2014 | BMW | 335i GT xDrive | Base (3.0 L6 GAS) | Notes: Includes o-ring., Thru 02/14, also use: (Qty.) (1) 12 51 8 638 006 adapter. |
| 2014 | BMW | 335i xDrive | Base (3.0 L6 GAS) | Notes: Includes o-ring., Thru 02/14, also use: (Qty.) (1) 12 51 8 638 006 adapter. |
| 2014 | BMW | ActiveHybrid 7 | Base (3.0 L6 FHEV) | Notes: Includes o-ring., Thru 02/14, also use: (Qty.) (1) 12 51 8 638 006 adapter. |
| 2014 | BMW | ActiveHybrid 3 | Base (3.0 L6 FHEV) | Notes: Includes o-ring., Thru 02/14, also use: (Qty.) (1) 12 51 8 638 006 adapter. |
| 2014 | BMW | ActiveHybrid 5 | Base (3.0 L6 FHEV) | Notes: Includes o-ring., Thru 02/14, also use: (Qty.) (1) 12 51 8 638 006 adapter. |
| 2014 | BMW | 535i xDrive | Base (3.0 L6 GAS) | Notes: Includes o-ring., Thru 02/14, also use: (Qty.) (1) 12 51 8 638 006 adapter. |
| 2014 | BMW | 535i | Base (3.0 L6 GAS) | Notes: Includes o-ring., Thru 02/14, also use: (Qty.) (1) 12 51 8 638 006 adapter. |
| 2014 | BMW | 535i GT xDrive | Base (3.0 L6 GAS) | Notes: Includes o-ring., Thru 02/14, also use: (Qty.) (1) 12 51 8 638 006 adapter. |
| 2014 | BMW | 535i GT | Base (3.0 L6 GAS) | Notes: Includes o-ring., Thru 02/14, also use: (Qty.) (1) 12 51 8 638 006 adapter. |
| 2014 | BMW | 335i | Base (3.0 L6 GAS) | Notes: Includes o-ring., Thru 02/14, also use: (Qty.) (1) 12 51 8 638 006 adapter. |
| 2014 | BMW | X6 | xDrive35i (3.0 L6 GAS) | Notes: Includes o-ring., Thru 02/14, also use: (Qty.) (1) 12 51 8 638 006 adapter. |
| 2014 | BMW | 435i xDrive | Base (3.0 L6 GAS) | Notes: Includes o-ring., Thru 02/14, also use: (Qty.) (1) 12 51 8 638 006 adapter. |
| 2014 | BMW | 435i | Base (3.0 L6 GAS) | Notes: Includes o-ring., Thru 02/14, also use: (Qty.) (1) 12 51 8 638 006 adapter. |
| 2014 | BMW | 740Li xDrive | Base (3.0 L6 GAS) | Notes: Includes o-ring., Thru 02/14, also use: (Qty.) (1) 12 51 8 638 006 adapter. |
| 2014 | BMW | 740Li | Base (3.0 L6 GAS) | Notes: Includes o-ring., Thru 02/14, also use: (Qty.) (1) 12 51 8 638 006 adapter. |
| 2014 | BMW | 740i | Base (3.0 L6 GAS) | Notes: Includes o-ring., Thru 02/14, also use: (Qty.) (1) 12 51 8 638 006 adapter. |
| 2014 | BMW | 640i xDrive Gran Coupe | Base (3.0 L6 GAS) | Notes: Includes o-ring., Thru 02/14, also use: (Qty.) (1) 12 51 8 638 006 adapter. |
| 2014 | BMW | 640i xDrive | Base (3.0 L6 GAS) | Notes: Includes o-ring., Thru 02/14, also use: (Qty.) (1) 12 51 8 638 006 adapter. |
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.




















