BMW B48 Ignition Spark Plug
BERU Z366 | 14mm Bi-Hex (12 Point) | Original Equipment Quality
The BERU (Z366) ignition spark plug developed for the BMW 1 Series (F20/F21) 4-cylinder B48 engines optimizes turbo performance while providing a smooth driving character.
- Precise Ignition Timing: Fully compatible with the operating principle of the B48 engine with a high compression ratio.
- Heat-Resistant Electrode: Special alloy resistant to corrosion and wear at extreme combustion chamber temperatures.
- Advanced Technology Insulation: High-quality ceramic body that prevents electrical leakage and focuses spark energy at the center.
- BMW Standards: 100% adherence to factory technical values (gap, resistance) in production.
Technical Details
| Brand / Origin |
BERU / Germany |
| Product Code |
Z366 (0040102242) |
| Original Reference (OEM) |
12 12 0 040 551 / 12 12 2 455 258 |
| Key Size |
14 mm (Bi-Hex / 12 Point) |
| Compatible Engine |
BMW B48 (2.0 Turbo Gasoline) |
Expert Recommendation
Why BERU? B48 engines put ignition components under stress during performance use. BERU eliminates the risk of premature spark plug wear in aftermarket products by precisely matching BMW's factory values.
Installation Tip: When tightening the spark plugs, adhere to a torque value of 23±3 Nm. Changing spark plugs every 40,000-50,000 km in B48 engines is critical for engine health and turbo longevity. It is also recommended to check the **Ignition Coils** during replacement.
This product is equivalent to the following OEM/original part numbers. You can search by your vehicle's original part number.
Product CodeBE Z 366_1
BrandBERU
Compatible vehicle information not yet added.
