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NGK ILZKBR7B8DG spark plug is the OEM plug used to service BMW N54 and N55 engines, offering one step colder heat range for N54 and stock replacement for N55. Worn plugs can cause misfires, hesitation, check engine lights, and reduced fuel economy, making this a direct-fit maintenance solution.
Installation requires a 14mm 12-point spark plug socket and tightening to 23 ± 3 Nm. This plug is compatible with a wide range of BMW models including 135i, 335i, 535i, 640i, 740i, X1, X3, X4, X5, X6, Z4, and M models from 2006 onward.
Key Features
| Brand | NGK |
| Product Type | Spark Plug |
| Part Number | ILZKBR7B8DG |
| Alternate Part Numbers | 95770, 97968 |
| Tightening Torque | 23 ± 3 Nm |
| Socket Required | 14mm, 12 point spark plug socket |
| Heat Range | One step colder for N54, stock replacement for N55 |
| Compatibility | BMW N54 and N55 engines |
Compatibility
Compatible with BMW vehicles equipped with N54 and N55 engines, including 135i, 335i, 535i, 640i, 740i, X1, X3, X4, X5, X6, Z4, and M models from 2006 onward.
How to use
Install using a 14mm, 12 point spark plug socket and tighten to 23 ± 3 Nm.
Frequently asked questions
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