NGK 94201 Laser Iridium OEM Replacement Spark Plug for BMW B58 and B48
Stop misfires and keep your BMW running at its best with the NGK 94201 Laser Iridium spark plug. This OEM replacement plug is purpose built for the BMW B58 platform and is compatible with most BMW and MINI B48 engines. It is the go to plug for stock and tuned cars, delivering reliable ignition under boost, crisp throttle response and smooth idle.
- OEM quality and reliability from NGK
- Laser Iridium centre electrode for strong, consistent spark and long service life
- Heat range 8 cold plug ideal for factory and tuned applications
- Proven on cars running E85 blends, water meth injection and upgraded turbochargers
- Great for Stage 1, Stage 2 and hybrid turbo B58 builds
Why choose NGK 94201 for your BMW B58 or B48
We run these on our own B58 and B48 builds and our customers consistently report smoother running and rock solid performance under load. If you are chasing reliability as well as performance, NGK 94201 is the safe OEM grade upgrade for daily driven and track driven cars alike.
Compatibility highlights
Fits all BMW B58 engines and most BMW and MINI B48 engines, including popular models:
- BMW M140i, M240i, 340i, 440i, 540i, 640i, 740i
- BMW X3 M40i, X4 M40i
- BMW 118i, 120i, 218i, 220i, 230i, 318i, 320i, 330i, 420i, 430i, 520i, 530i, 630i
- MINI Cooper S and John Cooper Works with the B48 engine
If you are unsure, we offer a free compatibility check before dispatch.
Technical notes and tips
- Heat rating: 8 cold plug
- Recommended gap for tuned cars: set to 0.022" using a suitable gap tool such as the Precision Raceworks Spark Plug Gap Tool with Feeler Gauge
- Service interval guidance: tuned vehicles commonly refresh spark plugs around every 20,000 miles
- Quantity per engine: listing is for a single plug. Most B58 engines require six plugs
Professional fitting available
For installation, we recommend booking our in house fitting service at Nforcd in Warwickshire. Request a quote at Sales@nforcd.com.
Compatibility check before dispatch
To ensure perfect fitment, we will verify compatibility using your UK registration number or the last 7 digits of your VIN once you place an order.
Part number
NGK 94201
Search friendly terms
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