Genuine BMW N20 N55 Fuel Injector for Petrol Direct Injection Engines
Restore smooth power, instant throttle response and clean cold starts with a Genuine BMW N20 N55 fuel injector. This OEM BMW high-pressure direct injection injector is the proven fix for rough idle, misfires, hesitation, poor MPG and a persistent check engine light on popular models such as the M135i, M235i, 335i, 435i and 535i. If you are refreshing your N20 or N55, or increasing power with performance upgrades, fresh injectors are essential for reliable, consistent fueling.
We supply only genuine BMW injectors for perfect spray pattern, precise metering and long-term reliability. We use these injectors in-house and our customers consistently report smoother running, stronger mid-range and an end to misfire issues once fitted and coded.
Why choose a Genuine BMW N20 N55 Fuel Injector
- OEM BMW quality for N20 and N55 petrol direct injection engines
- Correct spray pattern and flow rate for factory drivability and performance
- Fixes misfires, rough idle, fuel smell, hard starts and poor fuel economy caused by worn injectors
- Ideal when tuning or modifying your BMW for more power to maintain safe fueling
- Direct replacement, designed to be coded to your ECU for perfect adaptation
Common symptoms of failing injectors on N20 and N55
- Check engine light and injector-related fault codes
- Rough idle, stumbles or hesitation under load
- Random or cylinder-specific misfires
- Increased fuel consumption and fuel odour
- Hard starting or uneven cold start
What’s included
1 x Genuine BMW Fuel Injector.
Fitment and compatibility
This genuine BMW injector suits a wide range of N20 and N55 petrol direct injection applications. Typical compatible models include:
- 1 Series
- E82, E88 135i
- F20, F21 125i and M135i including xDrive
- 2 Series
- F22 M235i including xDrive
- 3 Series
- E90, E91, E92, E93 LCI 335i and 335i xDrive
- F30, F31, F34 320i, 328i, 335i and 335i xDrive, Hybrid 3
- 4 Series
- F33, F36 435i and 435i xDrive
- 5 Series
- F07 GT and F07 LCI 535i and 535i xDrive
- F10 and F10 LCI 520i, 528i and 535i including xDrive, Hybrid 5
- F11 520i, 528i and 535i including xDrive
- 6 Series
- F06, F12, F13 including LCI 640i and 640i xDrive
- 7 Series
- F01 LCI 740i and Hybrid 7
- F02 LCI 740Li and 740Li xDrive, Hybrid 7L
- X Series
- X1 E84 20i, 28i and 35i including xDrive
- X3 F25 20i, 28i and 35i including xDrive
- X5 E70 LCI 35i and 40i including xDrive
- X5 F15 35i and 35i xDrive
- X6 E71 35i and 40i including xDrive
- Z Series
- Z4 E89 18i, 20i and 28i
Not sure if this fits your car. Use our Compatibility Check at checkout by providing your UK registration or the last 7 of your VIN and we will verify the part prior to dispatch.
Installation and coding
- We highly recommend replacing all six injectors at the same time for balanced fueling on N55, and all four on N20 where applicable.
- After installation, the injector must be coded to your ECU for correct operation. Your local BMW specialist can perform this.
- Professional fitting available. Nforcd is based in Warwickshire. Email Sales@nforcd.com to request a fitting and coding quote.
Part details
- Part number: 13647597870
- Manufacturer: BMW
- Genuine BMW OEM component for N20 and N55 engines
Warranty
Two years manufacturer warranty for UK customers and one year manufacturer warranty for international customers if VIN is provided during checkout on compatible vehicles.
Why buy your BMW N20 N55 injector from Nforcd
- Genuine BMW parts for perfect fit and performance
- In-house experience with N20 and N55 platforms on road and track
- Excellent customer feedback on drivability and reliability after replacement
- Expert advice, compatibility verification and professional fitting on request
Choose a genuine BMW fuel injector for your N20 or N55 and get your BMW M135i, M235i, 335i, 435i or 535i running as it should. Order with confidence and enjoy smooth idle, strong performance and factory reliability.