Genuine BMW N54 N63 N74 S63 Index 12 Fuel Injector (135i, 335i, 550i & Z4)

Faulty injectors can trigger the check engine light, rough idling, or misfires, significantly impacting engine performance. It’s crucial to replace injectors when enhancing your BMW’s power, especially with early N54 engines prone to failure. These are the latest index fuel injectors from BMW, designed for optimal performance.

Restore lost power in your BMW Z4, 135i, and 335i with the N54 engine, as well as the 550i with the N63 engine by replacing faulty injectors today.

Please Note:

• We highly recommend replacing all 6 injectors simultaneously. After installation, coding is necessary, which can be done by your local BMW specialist.
• Each injector replacement requires a BMW injector clip for proper installation.