NGK 94201 Spark Plug – BMW B48 / B58 Gen 1

Genuine NGK 94201 iridium plugs for the BMW B48 Gen 1 and B58 Gen 1. A solid pick whether you're running stock or tuned, including E85, methanol injection, or a bigger turbo.

Specs

• Part number: NGK 94201 (SILZKGR8B8S)
• Type: Iridium centre electrode
• Socket: 14mm 12-point (thin-wall)
• Thread: M12 x 1.25
• Out-of-box gap: 0.031" (0.8mm)

Tuning tip

For tuned cars, close the gap to around 0.022" before installing to help prevent misfires under boost.

Fitment

• B48 Gen 1 (4-cylinder, e.g. F30 330i, F32 430i, F22 230i)
• B58 Gen 1 (6-cylinder, e.g. F30 340i, F32 440i, F22 M240i, G30 540i)

Not for Gen 2 B48 / B58 or S58 engines, which use a different plug. Confirm your engine before ordering.