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NGK BPR5EKU - Spark Plug
Product Overview
The NGK V-Power Spark Plug, part number BPR5EKU, is designed to provide reliable ignition and optimal performance for your Audi engine. This spark plug features OEM quality and construction, ensuring that it meets the highest standards for durability and efficiency. With a triple-gasket sealing process and a consistent performance record, NGK spark plugs are trusted by professionals and DIY enthusiasts alike. Properly functioning spark plugs are crucial for maintaining engine performance. They ignite the air-fuel mixture in the combustion chamber, driving the piston down and converting energy into horsepower. Worn or faulty spark plugs can lead to power loss, misfires, and poor starting performance. With a recommended service interval of 30,000 miles, this spark plug is engineered to deliver exceptional performance throughout its lifespan. Choose NGK BPR5EKU for dependable performance and peace of mind every time you service your vehicle.
Cross Reference Numbers
This NGK BPR5EKU is equivalent to or replaces the following part numbers: Bosch W9LDCR, Champion Spark Plug N9BMC, Champion Spark Plug RN9BMC, DENSO Auto Parts 3216, DENSO Auto Parts W16ETR-S, DENSO Auto Parts W16ETRS, Mitsubishi MD365108, NGK 5685, Volkswagen 101 000 039 AB.
Vehicle Compatibility
- Audi 80 2.3L5 (1990–1992)
- Audi 80 Quattro 2.3L5 (1988–1992)
- Audi 100 2.3L5 (1989–1992)
- Audi 100 Quattro 2.3L5 (1989–1991)
- Audi 90 Quattro 2.3L5 (1989–1990)
- Audi 5000 2.3L5 (1987–1988)
- Audi 5000 Quattro 2.3L5 (1987–1988)
This may also fits other applications. Please use the vehicle selector tool to verify fitment.
Why Shop at eEuroparts.com?
- 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.
- 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 the NGK BPR5EKU Spark Plug do?
The NGK spark plug ignites the air-fuel mixture in the engine's combustion chamber, which is essential for the engine to produce power and run smoothly. A properly functioning spark plug ensures optimal combustion and engine efficiency.
How do I know if my Spark Plug needs replacement?
Common symptoms of a failing spark plug include engine misfires, difficulty starting the vehicle, reduced acceleration, and an increase in fuel consumption. It's advisable to check and replace your spark plugs regularly to ensure optimal engine performance.
Can I install the NGK BPR5EKU myself?
Yes, the NGK BPR5EKU spark plug can be installed by DIY enthusiasts. However, ensure to follow proper torque specifications and installation procedures to avoid damage.
What are the symptoms of a faulty Spark Plug?
Symptoms of a faulty spark plug include engine misfires, rough idling, and decreased fuel efficiency. If you see DTCs such as P0300, P0301, P0302, P0303, it may indicate a failing spark plug.
Why should I choose NGK for my Spark Plug needs?
NGK is a trusted brand known for its high-quality ignition products. Order NGK BPR5EKU 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.
- BrandNGK
- ManufacturerNGK
- MPNBPR5EKU
- Part TypeSpark Plug
- OE Part NumbersMD365108, 101 000 039 AB, 101000039AB
- Cross Reference NumbersN9BMC, RN9BMC, 3216, W16ETR-S, W16ETRS, 5685, W9LDCR
- FeaturesCenter Electrode Core Material : Copper
Center Electrode Tip Material : Nickel
Electrical Terminal Type : Removable Nut
Ground Configuration : Semi-Surface Discharge
Ground Electrode Core Material : Nickel
Ground Electrode Quantity : 2
Ground Electrode Tip Design : Semi-Surface Discharge
Hex Size : 13/16
Insulator Height : 55.00
Manufacturer Heat Range : 5
Part Number : BPR5EKU
Pre-Gap Size : .028
Reach : .75
Resistance : 5000.0
Seat Type : Flat
Stock Number : 5685
Thread Diameter : 14.00
- Fitment
- Fitment TypeVehicle Specific
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 1988 | Audi | 80 Quattro | Base (2.3 L5 GAS) | Notes: Gap 0.032", OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval |
| 1988 | Audi | 90 Quattro | Base (2.3 L5 GAS) | Notes: Gap 0.032", OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval |
| 1988 | Audi | 5000 | S (2.3 L5 GAS) | Notes: Gap 0.032", OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval |
| 1988 | Audi | 5000 Quattro | S (2.3 L5 GAS) | Notes: Gap 0.032", OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval |
| 1989 | Audi | 100 | Base (2.3 L5 GAS) | Notes: Gap 0.032", Actual OE Manufacturer, 30,000 mi OE Mfr Recommended Service Interval |
| 1989 | Audi | 100 | E (2.3 L5 GAS) | Notes: Gap 0.032", Actual OE Manufacturer, 30,000 mi OE Mfr Recommended Service Interval |
| 1989 | Audi | 100 Quattro | Base (2.3 L5 GAS) | Notes: Gap 0.032", Actual OE Manufacturer, 30,000 mi OE Mfr Recommended Service Interval |
| 1989 | Audi | 80 Quattro | Base (2.3 L5 GAS) | Notes: Gap 0.032", OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval |
| 1989 | Audi | 90 Quattro | Base (2.3 L5 GAS) | Notes: Gap 0.032", OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval |
| 1990 | Audi | 100 | Base (2.3 L5 GAS) | Notes: Gap 0.032", Actual OE Manufacturer, 30,000 mi OE Mfr Recommended Service Interval |
| 1990 | Audi | 100 Quattro | Base (2.3 L5 GAS) | Notes: Gap 0.032", Actual OE Manufacturer, 30,000 mi OE Mfr Recommended Service Interval |
| 1990 | Audi | 80 Quattro | Base (2.3 L5 GAS) | Notes: Gap 0.032", OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval |
| 1991 | Audi | 100 | Base (2.3 L5 GAS) | Notes: Gap 0.032", Actual OE Manufacturer, 30,000 mi OE Mfr Recommended Service Interval |
| 1991 | Audi | 100 Quattro | Base (2.3 L5 GAS) | Notes: Gap 0.032", Actual OE Manufacturer, 30,000 mi OE Mfr Recommended Service Interval |
| 1991 | Audi | 80 | Base (2.3 L5 GAS) | Notes: Gap 0.032", OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval |
| 1991 | Audi | 80 Quattro | Base (2.3 L5 GAS) | Notes: Gap 0.032", OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval |
| 1992 | Audi | 80 | Base (2.3 L5 GAS) | Notes: Gap 0.032", Actual OE Manufacturer, 30,000 mi OE Mfr Recommended Service Interval |
| 1992 | Audi | 80 Quattro | Base (2.3 L5 GAS) | Notes: Gap 0.032", Actual OE Manufacturer, 30,000 mi OE Mfr Recommended Service Interval |
| 1987 | Audi | 5000 | S (2.3 L5 GAS) | Notes: Gap 0.032", OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval |
| 1987 | Audi | 5000 Quattro | S (2.3 L5 GAS) | Notes: Gap 0.032", OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval |
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.




