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NGK SILZKBR8D8S - Spark Plug
NGK Spark Plug SILZKBR8D8S - For BMW Vehicles
Manufacturer Part Number: SILZKBR8D8S
Product Overview
The NGK Spark Plug SILZKBR8D8S is a premium-quality spark plug designed specifically for BMW vehicles. Engineered to meet or exceed OEM standards, this spark plug ensures optimal ignition performance and engine efficiency. A critical component for any gasoline engine, the spark plug ignites the air-fuel mixture, driving the pistons and converting energy into horsepower. Replacing worn or degraded spark plugs can prevent power loss, hesitation, misfires, and poor startup performance. For your peace of mind, NGK spark plugs are trusted by professionals worldwide, ensuring you receive a product that combines reliability with exceptional performance.
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 M2 / 3.0L6, 2018-2020
- BMW M4 / 3.0L6, 2018-2020
- BMW 750i / 4.4V8, 2018-2019
- BMW 750i xDrive / 4.4V8, 2018-2019
- BMW M760i xDrive / 6.6V12, 2018-2019
- BMW 640i xDrive Gran Coupe / 3.0L6, 2018-2019
- BMW M550i xDrive / 4.4V8, 2017-2019
- BMW X6 / 3.0L6, 2017-2019
- BMW 320i / 2.0L4, 2016-2017
- BMW 640i / 3.0L6, 2016-2017
Cross Reference Numbers
- BMW: 12 12 0 039 664
- BMW: 12 12 0 040 573
- BMW: 12 12 7 622 445
- Bosch: 8165
- NGK: 97506
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 NGK Spark Plug SILZKBR8D8S ignites the air-fuel mixture in the engine's combustion chamber. This process is essential for converting the fuel's energy into mechanical power, contributing to the overall performance and efficiency of your vehicle.
What vehicles is this part compatible with?
This spark plug is compatible with various BMW models, including the M2, M4, 750i, and more. For exact compatibility, please use the vehicle selector tool above.
What are common signs this part may need replacement?
Common signs that your spark plugs may need replacement include engine misfires, reduced fuel efficiency, difficulty starting the engine, and rough idling. Regular maintenance and timely replacements can prevent these issues.
Are there any DTC (Diagnostic Trouble Codes) associated with this part?
While specific DTC codes are not provided for this part, it is essential to consult professional repair documentation or experts for diagnosing any issues related to spark plugs, as misfires and ignition problems can trigger various codes.
- BrandNGK
- ManufacturerNGK
- MPNSILZKBR8D8S
- Part TypeSpark Plug
- OE Part Numbers12 12 7 622 445, 12127622445, 12 12 0 039 664, 12120039664, 12 12 0 040 573, 12120040573
- Cross Reference Numbers97506, 8165
- FeaturesCenter Electrode Core Material : Copper
Center Electrode Tip Material : Iridium
Electrical Terminal Type : Non-Removable Nut
Ground Configuration : Standard
Ground Electrode Core Material : Copper
Ground Electrode Quantity : 1
Ground Electrode Tip Design : Square Platinum Electrode - High Ignitability
Hex Size : 14 Bi-Hex
Insulator Height : 50.00
Manufacturer Heat Range : 8
Part Number : SILZKBR8D8S
Pre-Gap Size : .030
Reach : 26.5
Resistance : 5000.0
Seat Type : Flat
Stock Number : 97506
Thread Diameter : 12.00
- Fitment
- Fitment TypeVehicle Specific
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 2015 | BMW | Alpina B6 xDrive Gran Coupe | Base (4.4 V8 GAS) | Notes: OE Spark Plug Is High Ignitability. For Optimal Performance, Replace With High Ignitability Spark Plugs., Gap 0.032", Actual OE Manufacturer, 60,000 mi OE Mfr Recommended Service Interval |
| 2015 | BMW | X6 | M (4.4 V8 GAS) | Engine: S63R, Engine: N63B44B, Notes: Gap 0.032" |
| 2015 | BMW | X6 | xDrive50i (4.4 V8 GAS) | Engine: S63R, Engine: N63B44B, Notes: Gap 0.032" |
| 2015 | BMW | X6 | sDrive35i (3.0 L6 GAS) | Notes: Gap 0.032" |
| 2015 | BMW | X6 | xDrive35i (3.0 L6 GAS) | Notes: Gap 0.032" |
| 2016 | BMW | 640i | Base (3.0 L6 GAS) | Notes: Gap 0.032" |
| 2016 | BMW | 640i Gran Coupe | Base (3.0 L6 GAS) | Notes: Gap 0.032" |
| 2016 | BMW | 640i xDrive | Base (3.0 L6 GAS) | Notes: Gap 0.032" |
| 2016 | BMW | 640i xDrive Gran Coupe | Base (3.0 L6 GAS) | Notes: Gap 0.032" |
| 2016 | BMW | 650i | Base (4.4 V8 GAS) | Notes: Gap 0.032" |
| 2016 | BMW | 650i Gran Coupe | Base (4.4 V8 GAS) | Notes: Gap 0.032" |
| 2016 | BMW | 650i xDrive | Base (4.4 V8 GAS) | Notes: Gap 0.032" |
| 2016 | BMW | 650i xDrive Gran Coupe | Base (4.4 V8 GAS) | Notes: Gap 0.032" |
| 2016 | BMW | M6 | Base (4.4 V8 GAS) | Notes: Gap 0.032" |
| 2016 | BMW | M6 Gran Coupe | Base (4.4 V8 GAS) | Notes: Gap 0.032" |
| 2016 | BMW | Alpina B6 xDrive Gran Coupe | Base (4.4 V8 GAS) | Notes: OE Spark Plug Is High Ignitability. For Optimal Performance, Replace With High Ignitability Spark Plugs., Gap 0.032", Actual OE Manufacturer, 60,000 mi OE Mfr Recommended Service Interval |
| 2016 | BMW | Z4 | sDrive28i (2.0 L4 GAS) | Notes: OE Spark Plug Is High Ignitability. For Optimal Performance, Replace With High Ignitability Spark Plugs., Gap 0.032", Actual OE Manufacturer, 60,000 mi OE Mfr Recommended Service Interval |
| 2016 | BMW | 428i | Base (2.0 L4 GAS) | Notes: OE Spark Plug Is High Ignitability. For Optimal Performance, Replace With High Ignitability Spark Plugs., Gap 0.032", Actual OE Manufacturer, 60,000 mi OE Mfr Recommended Service Interval |
| 2016 | BMW | 428i Gran Coupe | Base (2.0 L4 GAS) | Notes: OE Spark Plug Is High Ignitability. For Optimal Performance, Replace With High Ignitability Spark Plugs., Gap 0.032", Actual OE Manufacturer, 60,000 mi OE Mfr Recommended Service Interval |
| 2016 | BMW | 428i xDrive | Base (2.0 L4 GAS) | Notes: OE Spark Plug Is High Ignitability. For Optimal Performance, Replace With High Ignitability Spark Plugs., Gap 0.032", Actual OE Manufacturer, 60,000 mi OE Mfr Recommended Service Interval |
| 2016 | BMW | 428i xDrive Gran Coupe | Base (2.0 L4 GAS) | Notes: OE Spark Plug Is High Ignitability. For Optimal Performance, Replace With High Ignitability Spark Plugs., Gap 0.032", Actual OE Manufacturer, 60,000 mi OE Mfr Recommended Service Interval |
| 2016 | BMW | 435i | Base (3.0 L6 GAS) | Notes: Gap 0.032" |
| 2016 | BMW | 435i Gran Coupe | Base (3.0 L6 GAS) | Notes: Gap 0.032" |
| 2016 | BMW | 435i xDrive | Base (3.0 L6 GAS) | Notes: Gap 0.032" |
| 2016 | BMW | 435i xDrive Gran Coupe | Base (3.0 L6 GAS) | Notes: Gap 0.032" |
| 2016 | BMW | X3 | xDrive35i (3.0 L6 GAS) | Notes: Gap 0.032" |
| 2016 | BMW | X3 | sDrive28i (2.0 L4 GAS) | Notes: OE Spark Plug Is High Ignitability. For Optimal Performance, Replace With High Ignitability Spark Plugs., Gap 0.032", Actual OE Manufacturer, 60,000 mi OE Mfr Recommended Service Interval |
| 2016 | BMW | X3 | xDrive28i (2.0 L4 GAS) | Notes: OE Spark Plug Is High Ignitability. For Optimal Performance, Replace With High Ignitability Spark Plugs., Gap 0.032", Actual OE Manufacturer, 60,000 mi OE Mfr Recommended Service Interval |
| 2016 | BMW | X4 | xDrive35i (3.0 L6 GAS) | Notes: Gap 0.032" |
| 2016 | BMW | X4 | M40i (3.0 L6 GAS) | Notes: Gap 0.032" |
| 2016 | BMW | X4 | xDrive28i (2.0 L4 GAS) | Notes: OE Spark Plug Is High Ignitability. For Optimal Performance, Replace With High Ignitability Spark Plugs., Gap 0.032", Actual OE Manufacturer, 60,000 mi OE Mfr Recommended Service Interval |
| 2016 | BMW | X6 | M (4.4 V8 GAS) | Engine: S63R, Engine: N63B44B, Notes: Gap 0.032" |
| 2016 | BMW | X6 | xDrive50i (4.4 V8 GAS) | Engine: S63R, Engine: N63B44B, Notes: Gap 0.032" |
| 2016 | BMW | X6 | sDrive35i (3.0 L6 GAS) | Notes: Gap 0.032" |
| 2016 | BMW | X6 | xDrive35i (3.0 L6 GAS) | Notes: Gap 0.032" |
| 2016 | BMW | X5 | M (4.4 V8 GAS) | Engine: S63R, Engine: N63B44B, Notes: Gap 0.032" |
| 2016 | BMW | X5 | xDrive50i (4.4 V8 GAS) | Engine: S63R, Engine: N63B44B, Notes: Gap 0.032" |
| 2016 | BMW | X5 | sDrive35i (3.0 L6 GAS) | Notes: Gap 0.032" |
| 2016 | BMW | X5 | xDrive35i (3.0 L6 GAS) | Notes: Gap 0.032" |
| 2016 | BMW | X5 | xDrive40e (2.0 L4 PHEV) | Notes: OE Spark Plug Is High Ignitability. For Optimal Performance, Replace With High Ignitability Spark Plugs., Gap 0.032", Actual OE Manufacturer, 60,000 mi OE Mfr Recommended Service Interval |
| 2016 | BMW | 228i | Base (2.0 L4 GAS) | Notes: OE Spark Plug Is High Ignitability. For Optimal Performance, Replace With High Ignitability Spark Plugs., Gap 0.032", Actual OE Manufacturer, 60,000 mi OE Mfr Recommended Service Interval |
| 2016 | BMW | 228i xDrive | Base (2.0 L4 GAS) | Notes: OE Spark Plug Is High Ignitability. For Optimal Performance, Replace With High Ignitability Spark Plugs., Gap 0.032", Actual OE Manufacturer, 60,000 mi OE Mfr Recommended Service Interval |
| 2016 | BMW | M235i | Base (3.0 L6 GAS) | Notes: Gap 0.032" |
| 2016 | BMW | M235i xDrive | Base (3.0 L6 GAS) | Notes: Gap 0.032" |
| 2016 | BMW | M4 | Base (3.0 L6 GAS) | Notes: Gap 0.032" |
| 2016 | BMW | M4 | GTS (3.0 L6 GAS) | Notes: Gap 0.032" |
| 2016 | BMW | M3 | Base (3.0 L6 GAS) | Notes: Gap 0.032" |
| 2016 | BMW | M5 | Base (4.4 V8 GAS) | Notes: Gap 0.032" |
| 2016 | BMW | 528i | Base (2.0 L4 GAS) | Notes: OE Spark Plug Is High Ignitability. For Optimal Performance, Replace With High Ignitability Spark Plugs., Gap 0.032", Actual OE Manufacturer, 60,000 mi OE Mfr Recommended Service Interval |
| 2016 | BMW | 535i | Base (3.0 L6 GAS) | Notes: Gap 0.032" |
| 2016 | BMW | 550i | Base (4.4 V8 GAS) | Notes: Gap 0.032" |
| 2016 | BMW | 320i | Base (2.0 L4 GAS) | Notes: OE Spark Plug Is High Ignitability. For Optimal Performance, Replace With High Ignitability Spark Plugs., Gap 0.032", Actual OE Manufacturer, 60,000 mi OE Mfr Recommended Service Interval |
| 2016 | BMW | 320i xDrive | Base (2.0 L4 GAS) | Notes: OE Spark Plug Is High Ignitability. For Optimal Performance, Replace With High Ignitability Spark Plugs., Gap 0.032", Actual OE Manufacturer, 60,000 mi OE Mfr Recommended Service Interval |
| 2016 | BMW | 328i | Base (2.0 L4 GAS) | Notes: OE Spark Plug Is High Ignitability. For Optimal Performance, Replace With High Ignitability Spark Plugs., Gap 0.032", Actual OE Manufacturer, 60,000 mi OE Mfr Recommended Service Interval |
| 2016 | BMW | 335i GT xDrive | Base (3.0 L6 GAS) | Notes: Gap 0.032" |
| 2016 | BMW | 328i xDrive | Base (2.0 L4 GAS) | Notes: OE Spark Plug Is High Ignitability. For Optimal Performance, Replace With High Ignitability Spark Plugs., Gap 0.032", Actual OE Manufacturer, 60,000 mi OE Mfr Recommended Service Interval |
| 2016 | BMW | 328i GT xDrive | Base (2.0 L4 GAS) | Notes: OE Spark Plug Is High Ignitability. For Optimal Performance, Replace With High Ignitability Spark Plugs., Gap 0.032", Actual OE Manufacturer, 60,000 mi OE Mfr Recommended Service Interval |
| 2016 | BMW | 528i xDrive | Base (2.0 L4 GAS) | Notes: OE Spark Plug Is High Ignitability. For Optimal Performance, Replace With High Ignitability Spark Plugs., Gap 0.032", Actual OE Manufacturer, 60,000 mi OE Mfr Recommended Service Interval |
| 2016 | BMW | 535i xDrive | Base (3.0 L6 GAS) | Notes: Gap 0.032" |
| 2016 | BMW | 535i GT | Base (3.0 L6 GAS) | Notes: Gap 0.032" |
| 2016 | BMW | 535i GT xDrive | Base (3.0 L6 GAS) | Notes: Gap 0.032" |
| 2016 | BMW | 550i GT xDrive | Base (4.4 V8 GAS) | Notes: Gap 0.032" |
| 2016 | BMW | 550i xDrive | Base (4.4 V8 GAS) | Notes: Gap 0.032" |
| 2016 | BMW | ActiveHybrid 5 | Base (3.0 L6 FHEV) | Notes: Gap 0.032" |
| 2016 | BMW | 750i | Base (4.4 V8 GAS) | Notes: Gap 0.032" |
| 2016 | BMW | 750i xDrive | Base (4.4 V8 GAS) | Notes: Gap 0.032" |
| 2016 | BMW | M2 | Base (3.0 L6 GAS) | Notes: Gap 0.032" |
| 2017 | BMW | 320i | Base (2.0 L4 GAS) | Notes: OE Spark Plug Is High Ignitability. For Optimal Performance, Replace With High Ignitability Spark Plugs., Gap 0.032", Actual OE Manufacturer, 60,000 mi OE Mfr Recommended Service Interval |
| 2017 | BMW | 320i xDrive | Base (2.0 L4 GAS) | Notes: OE Spark Plug Is High Ignitability. For Optimal Performance, Replace With High Ignitability Spark Plugs., Gap 0.032", Actual OE Manufacturer, 60,000 mi OE Mfr Recommended Service Interval |
| 2017 | BMW | 640i | Base (3.0 L6 GAS) | Notes: Gap 0.032" |
| 2017 | BMW | 640i Gran Coupe | Base (3.0 L6 GAS) | Notes: Gap 0.032" |
| 2017 | BMW | 640i xDrive | Base (3.0 L6 GAS) | Notes: Gap 0.032" |
| 2017 | BMW | 640i xDrive Gran Coupe | Base (3.0 L6 GAS) | Notes: Gap 0.032" |
| 2017 | BMW | 650i | Base (4.4 V8 GAS) | Notes: Gap 0.032" |
| 2017 | BMW | 650i Gran Coupe | Base (4.4 V8 GAS) | Notes: Gap 0.032" |
| 2017 | BMW | 650i xDrive | Base (4.4 V8 GAS) | Notes: Gap 0.032" |
| 2017 | BMW | 650i xDrive Gran Coupe | Base (4.4 V8 GAS) | Notes: Gap 0.032" |
| 2017 | BMW | Alpina B6 xDrive Gran Coupe | Base (4.4 V8 GAS) | Notes: OE Spark Plug Is High Ignitability. For Optimal Performance, Replace With High Ignitability Spark Plugs., Gap 0.032", Actual OE Manufacturer, 60,000 mi OE Mfr Recommended Service Interval |
| 2017 | BMW | M3 | Base (3.0 L6 GAS) | Notes: Gap 0.032" |
| 2017 | BMW | M4 | Base (3.0 L6 GAS) | Notes: Gap 0.032" |
| 2017 | BMW | M6 | Base (4.4 V8 GAS) | Notes: Gap 0.032" |
| 2017 | BMW | M6 Gran Coupe | Base (4.4 V8 GAS) | Notes: Gap 0.032" |
| 2017 | BMW | X3 | xDrive35i (3.0 L6 GAS) | Notes: Gap 0.032" |
| 2017 | BMW | X3 | sDrive28i (2.0 L4 GAS) | Notes: OE Spark Plug Is High Ignitability. For Optimal Performance, Replace With High Ignitability Spark Plugs., Gap 0.032", Actual OE Manufacturer, 60,000 mi OE Mfr Recommended Service Interval |
| 2017 | BMW | X3 | xDrive28i (2.0 L4 GAS) | Notes: OE Spark Plug Is High Ignitability. For Optimal Performance, Replace With High Ignitability Spark Plugs., Gap 0.032", Actual OE Manufacturer, 60,000 mi OE Mfr Recommended Service Interval |
| 2017 | BMW | X4 | M40i (3.0 L6 GAS) | Notes: Gap 0.032" |
| 2017 | BMW | X4 | xDrive28i (2.0 L4 GAS) | Notes: OE Spark Plug Is High Ignitability. For Optimal Performance, Replace With High Ignitability Spark Plugs., Gap 0.032", Actual OE Manufacturer, 60,000 mi OE Mfr Recommended Service Interval |
| 2017 | BMW | X5 | M (4.4 V8 GAS) | Engine: S63R, Engine: N63B44B, Notes: Gap 0.032" |
| 2017 | BMW | X5 | xDrive50i (4.4 V8 GAS) | Engine: S63R, Engine: N63B44B, Notes: Gap 0.032" |
| 2017 | BMW | X5 | sDrive35i (3.0 L6 GAS) | Notes: Gap 0.032" |
| 2017 | BMW | X5 | xDrive35i (3.0 L6 GAS) | Notes: Gap 0.032" |
| 2017 | BMW | X5 | xDrive40e (2.0 L4 PHEV) | Notes: OE Spark Plug Is High Ignitability. For Optimal Performance, Replace With High Ignitability Spark Plugs., Gap 0.032", Actual OE Manufacturer, 60,000 mi OE Mfr Recommended Service Interval |
| 2017 | BMW | X6 | M (4.4 V8 GAS) | Engine: S63R, Engine: N63B44B, Notes: Gap 0.032" |
| 2017 | BMW | X6 | xDrive50i (4.4 V8 GAS) | Engine: S63R, Engine: N63B44B, Notes: Gap 0.032" |
| 2017 | BMW | X6 | sDrive35i (3.0 L6 GAS) | Notes: Gap 0.032" |
| 2017 | BMW | X6 | xDrive35i (3.0 L6 GAS) | Notes: Gap 0.032" |
| 2017 | BMW | M2 | Base (3.0 L6 GAS) | Engine: N55B30A, Notes: Gap 0.032" |
| 2017 | BMW | 750i | Base (4.4 V8 GAS) | Notes: Gap 0.032" |
| 2017 | BMW | 550i GT xDrive | Base (4.4 V8 GAS) | Notes: Gap 0.032" |
| 2017 | BMW | 750i xDrive | Base (4.4 V8 GAS) | Notes: Gap 0.032" |
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.






