Product images and videos are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Ignitions and Electrical› Ignition Components
NGK
NGK Laser Iridium Spark Plug Box of 4 (SILZKGR8B8S)
SKU: N003 94201
Easy — 1–2 hours
Overview
Show original supplier description
Part #: 94201
NGK Laser Iridium High Ignitability spark plugs offer the best combination of performance and longevity. Engineered specifically for OE applications, Laser Iridium High Ignitability spark plugs are tested to the highest standards to ensure quality and durability. Iridium tipped center electrode provides durability six times harder than platinum. NGKs high grade pure alumina ceramic and 98 percent pure copper core prevents the spark plug from overheating while providing reliable starts. Laser Iridium High Ignitability spark plugs feature raised platinum pad or platinum fine wire tip on the ground electrode for even wear in distributorless ignition systems and improved spark performance.
NGK Laser Iridium High Ignitability spark plugs offer the most advanced OE spark plug tip technology providing the optimal combination of performance and durability. Actual OE or equivalent replacement spark plugs.
Vehicle Symptoms
- Engine misfire under load
- Rough idle at stoplights
- Decreased fuel economy
- Check engine light flashing
- Hesitation during acceleration
Diagnostic Codes
- P0300 – Random/multiple cylinder misfire detected
- P0301 – Cylinder 1 misfire detected
- P0302 – Cylinder 2 misfire detected
- P0303 – Cylinder 3 misfire detected
- P0304 – Cylinder 4 misfire detected
- P0305 – Cylinder 5 misfire detected
- P0306 – Cylinder 6 misfire detected
Relevant Conversations
- NGK 94201 Laser Iridium spark plug for BMW
- BMW B58 rough idle fix spark plugs
- P0300 misfire on BMW 340i what to replace
- Best spark plugs for BMW B48 engine
- 1 step colder spark plugs B58 upgrade
- NGK vs Bosch spark plugs for BMW
- How to replace spark plugs BMW 540i
- Check engine light P0301 cylinder 1 misfire
- Spark plug gap for NGK 94201
- BMW B48 misfire after tune spark plug recommendation
Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | NGK |
| Part Number | N003 94201 |
Videos
A MUST FOR ALL TUNED B58 BMW'S! SUPRA SPARK PLUGS INSTALL
GAPPING UPGRADED NGK SPARK PLUGS FOR A BIG TURBO B58 G20 M340i
B58 3.0L SPARK PLUG REPLACEMENT / DIY
TRYING THE SUPRA PLUGS IN MY N54: NGK 94201
READ DESCRIPTION The Best Spark Plug for your B58 BMW
BMW X3 Spark Plug & Ignition Coil Replacement DIY (2018-2024 BMW G01 X3, G02 X4, M40i, B58 Engine)
HOW TO REPLACE BMW SPARK PLUGS - B48 ENGINE
Fake NGK Iridium Spark Plugs | How To Test!!
NGK IZFR6K11: Tips to Check for Authentic Spark Plugs
NGK spark plugs, FAKE vs REAL
Fake Counterfeit NGK Spark Plugs Sold On Amazon - How To Identify
BMW M240i B58 Spark Plug Change Tutorial (F Chassis 340i/440i)
Identifying FAKE NGK Spark Plugs! Don’t destroy your Jet Ski engine, PLEASE WATCH THIS!
About MOTORMIA
Buy with Confidence
Returns & Fitment
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
View Full Return PolicyShipping
Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.
Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.
View Full Shipping Policy