Precision Raceworks N54 Ignition Kit – BMW 135i / 335i (E8x / E9x)

OVERVIEW

The Precision Raceworks BMW N54 High Performance Ignition Kit is designed to integrate with any vehicle running the N54 engine. It is the highest-output ignition system Precision Raceworks has developed for the N54 community, built around a high-voltage, high-current coil design that borrows technology from marine and aerospace applications, and connected with 100% plug-and-play OEM weatherproof quick-connect wiring and low-resistance 50 ohm/ft proprietary plug wires.

Software tuning of the vehicle is not required to run the kit. With supporting software from most major flash and tuning companies, coil output can be raised to 118 mJ. All components meet or exceed OEM requirements and use seals that are both dust and water resistant, and full DME control of the ignition coils along with the factory cooled control system are retained.

The kit can be mounted in the location that suits your build: stock location directly above the spark plugs, on the OEM manifold at the direct injection fuel rail, or on an aftermarket intake manifold. Stop replacing coils, stop chasing misfires, and get better throttle response and a smoother idle from your N54.

SPECS

• Coil output up to 118 mJ with supporting software tuning
• Software tuning of the vehicle is not required to run the kit
• 100% plug-and-play OEM weatherproof quick-connect wiring
• Low-resistance 50 ohm/ft proprietary plug wires
• High-voltage, high-current coil design derived from marine and aerospace applications
• Full DME control of the ignition coils retained
• Factory cooled control system retained
• Dust- and water-resistant seals; all components meet or exceed OEM requirements
• Kit weight: 9 lb
• Three mounting configurations: stock location (above the spark plugs), OEM manifold (mounts to the direct injection fuel rail), or aftermarket manifold

PARTS INCLUDED

• Complete N54 High Performance Ignition Kit as supplied by Precision Raceworks, including coils, low-resistance 50 ohm/ft plug wires and plug-and-play harness connections. See the installation instructions for the full bill of materials.

TECH RESOURCES

Additional Parts Required

• Aftermarket manifold configuration only: an aftermarket intake manifold is required — this mounting kit is designed for use with aftermarket inlets and will not fit the stock manifold.
• OEM manifold configuration only: the factory airbox and the manifold post must be removed to fit the coils to the direct injection fuel rail.
• Stock location configuration only: the foam must be removed from the underside of the engine cover.
• No tune is required. Supporting software from a major flash or tuning company is optional and is what raises coil output to 118 mJ.
• Recommended service item: a fresh set of correctly gapped spark plugs at the same time as the coil install.

Installation

• Installation instructions are supplied with the kit and cover all three mounting locations. Precision Raceworks does not publish a public installation PDF for this part number — contact Speed Logic if you need the instructions before your kit ships.

Notes

• Precision Raceworks also lists 2011–2017 535i fitment; those cars left the factory with the N55 engine, so confirm your engine code with Speed Logic before ordering.

PART NUMBER

• 601-0020

VEHICLE APPLICATIONS