NGK 97506 Spark Plug for BMW N54 N55
NGK 97506 Spark Plug for BMW N54 N55
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NGK 97506 Spark Plug for BMW N54 N55

NGK
101-0149
$18.49
$18.49

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NGK 97506 spark plugs are the OEM replacement used to service BMW N54 and N55 engines, delivering reliable ignition and consistent combustion. This plug runs two steps colder than stock for N54 and one step colder for N55, making it a direct-fit choice for tuned and high-boost applications.

Worn plugs can cause misfires, hesitation, a check engine light, loss of power, or poor fuel economy, so replacing them at the recommended interval keeps performance sharp. Installation requires a 14mm, 12-point spark plug socket and a tightening torque of 23 ± 3 Nm.

Key Features

Brand NGK
Model 97506
Product Type Spark Plug
Tightening Torque 23 ± 3 Nm
Socket Required 14mm, 12 point spark plug socket
Heat Range 2 step colder for N54, 1 step colder for N55
Compatibility BMW N54 and N55 engines

Compatibility

Direct fit for BMW N54 and N55 engines, including 135i, 335i, 535i, 640i, 740i, X1, X3, X4, X5, X6, Z4, M2, M135i, M235i, and 1M models.

How to use

Install using a 14mm, 12-point spark plug socket and tighten to 23 ± 3 Nm. Replace at the recommended service interval or when misfiring, hesitation, or power loss occurs.

Frequently asked questions

What is the tightening torque for this spark plug?

The tightening torque is 23 ± 3 Nm.

What socket is required for installation?

A 14mm, 12-point spark plug socket is required for removal and installation.

What heat range does this plug offer?

It is two steps colder for N54 engines and one step colder for N55 engines.

What are common symptoms of worn spark plugs?

Misfiring, check engine light, hesitation, loss of power, and poor fuel economy.

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