NGK 94201 SILZKGR8B8S Iridium Spark Plug M12x1.25 14mm Bi-Hex – OE 12120041666

Genuine NGK 94201 (SILZKGR8B8S) iridium spark plug designed for modern BMW & MINI turbo petrol engines (B38 / B48).

OE-quality replacement with long service life, stable ignition performance and improved combustion efficiency.

Thread M12x1.25 | 14mm hex | 26.5mm reach | Gasket seat | 5kΩ resistor

The NGK 94201 SILZKGR8B8S is a high-performance iridium spark plug engineered for direct-injection turbocharged petrol engines used in BMW and MINI vehicles.

Iridium centre electrode ensures:

Improved ignition reliability

Better cold starts

Stable combustion under boost

Extended service interval

Reduced electrode wear

Ideal OE replacement for BMW B38 and B48 engine platforms.

Technical Specification

Manufacturer: NGK

Article number: 94201

Trade number: SILZKGR8B8S

Type: Iridium spark plug

Thread size: M12 × 1.25

Spanner size: 14 mm (Bi-Hex)

Thread length: 26.5 mm

Seat type: Gasket seat

Resistor: 5 kΩ

Electrode: Iridium centre electrode

EAN: 087295942017

OE Reference Numbers

12 12 0 040 551 – BMW

12 12 0 041 666 – BMW / MINI

0 041 666 – BMW / MINI

Always verify compatibility via VIN or OE number before purchase.

Compatibility (Selected Models)

BMW:

1 Series F20 / F21

2 Series F22 / F23

2 Active Tourer F45

3 Series F30 / F31

4 Series F32 / F33 / F36

5 Series G30 / G31

7 Series G11 / G12

X1 F48

X2 F39

X3 G01

MINI:

Hatchback F55 / F56

Clubman F54

Convertible F57

Countryman F60

(Fits various B38 / B48 turbo petrol engines.)