BMW N54 Fuel Injector 13538616079 - Used Original Parts

Diagnosis and Common Symptoms

From the technician's perspective, a failing N54 Piezo injector is a classic diagnosis. The high-pressure, direct-injection system is precise, and any deviation in an injector's performance is immediately detected by the DME. You will typically store fault codes such as 29CC (misfire, multiple cylinders), 29CD (misfire, cylinder 1), 29CE (misfire, cylinder 2), and so on for all six cylinders. You may also encounter mixture control faults like 29E0 or fuel pressure plausibility codes.

On the dashboard, this translates to the "Service Engine Soon" light or the more severe "Engine Malfunction! Reduced Power" message. The driver will experience symptoms including a rough, stumbling idle, extended cranking time before the engine starts (long crank), noticeable hesitation or misfiring under acceleration, a strong smell of raw fuel from the exhaust, and a significant decrease in fuel economy.

Introduction

Restore the precision and power of your N54 engine with a reliable, cost-effective solution. This is a Genuine BMW High-Pressure Fuel Injector, carefully removed from a donor vehicle and subjected to rigorous in-house testing. Each unit is verified for correct spray pattern, flow rate, and electrical function to ensure it meets the demanding specifications of the N54 platform. Trust in a tested original part to solve your misfire and running issues without the high cost of a new unit.

Product Details

• Brand: BMW

• Model Compatibility: E90, E91, E92, E93 335i | E60, E61 535i | E82, E88 135i | E71 X6 xDrive35i | E89 Z4 sDrive35i

• Part Name: N54 High-Pressure Piezoelectric Fuel Injector

• Condition: Genuine Used (Tested Working)

• Notes: Index 11 or later. Each injector has a unique calibration value printed on its body that must be coded to the vehicle's DME for proper operation.