Faulty injectors may lead to check engine light, rough idle or misfire and therefore reduce your engine performance, it is highly recommended to replace your injectors when modifying your pride and joy for more power. Especially the early models of the N54 engines, as they are prone to fail. These are the latest index fuel injector made by BMW for optimal performance.
Replace your faulty injectors today and restore those lost power on your BMW Z4, 135i & 335i with the N54 engine and 550i with the N63 engine.
Please Note:
We highly recommend to replace all 6 injectors at the same time, after installation, you will also need to code them, this can be done at your local BMW specialist.
You will also need a BMW injector clip for each injector you replace, this is required to install the injectors.