The BMW N55/S55 to B58 Coil Conversion Kit lets you use on the engine BMW N55/S55 use B58 ignition coils. The N55/S55 is often ignition-limited on bigger builds, so this conversion is aimed at more reliable spark, especially under higher loads.
Key benefits
- The conversion allows fitting B58 coils to the engine BMW N55
- It helps solve common problems such as misfires and rough running
- Compared with the factory N55/S55 coils, B58 coils can produce more energy and a longer spark duration
- According to the manufacturer it can bring up to ~4% gain in power and torque (depending on engine configuration)
- The coils come with a 2-year warranty
Compatibility
- BMW N55 and S55 engines.
Kit contents
- The kit includes 6 uprated coils for B58 and adapter kit for fitting to the N55/S55.
Note
Installation is plug & play with no modifications. For best results we recommend checking the plugs’ condition and gap, and monitoring the engine after fitting (e.g. for misfire codes).
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