BMW N20 / N26 / N55 / S55 (2.0L & 3.0L TwinPower Turbo) Diesel Injector
Cross-Reference & Technical Specs
Authoritative technical specifications, verified Bosch part numbers, control valve stamping codes, nozzle spray orifices, and hold-down tightening torque for the BMW N20 diesel engine family.
All Verified Part Numbers for BMW N20 / N26 / N55 / S55 (2.0L & 3.0L TwinPower Turbo)
The following 5 common-rail injector assemblies are calibrated for this engine family. Click any SKU to view individual test bench flow curves, sister cross-references, and vehicle applications.
Bosch 0261500109 Common Rail Injector for BMW N20 / N26 / N55 / S55 (2.0L & 3.0L TwinPower Turbo) →
BOSCH CRISee Product DetailNozzle Code: See Product DetailBosch 13517588879 Common Rail Injector for BMW N20 / N26 / N55 / S55 (2.0L & 3.0L TwinPower Turbo) →
BOSCH CRIIntegrated High-Speed Digital Fuel Quantity Control ValveNozzle Code: See Product DetailBosch 13517616170 Common Rail Injector for BMW N20 / N26 / N55 / S55 (2.0L & 3.0L TwinPower Turbo) →
BOSCH CRIIntegrated Electromagnetic Digital Flow Quantity Control ValveNozzle Code: See Product DetailBosch 13647597870 Common Rail Injector for BMW N20 / N26 / N55 / S55 (2.0L & 3.0L TwinPower Turbo) →
BOSCH CRISee Product DetailNozzle Code: See Product DetailBosch 13517847204 Common Rail Injector for BMW N20 / N26 / N55 / S55 (2.0L & 3.0L TwinPower Turbo) →
BOSCH CRISee Product DetailNozzle Code: See Product Detail| Part Number (SKU) | Primary OE Reference | Control Valve | Nozzle Code |
|---|---|---|---|
| 13647639994, 13647597870, 13644596001 | See Product Detail | See Product Detail | |
| 7588879, 0261520141, 0261520142 | Integrated High-Speed Digital Fuel Quantity Control Valve | See Product Detail | |
| 13517594419, 13517592881, 0261520144 | Integrated Electromagnetic Digital Flow Quantity Control Valve | See Product Detail | |
| 7597870, 13647639994, 7639994 | See Product Detail | See Product Detail | |
| 7847204, 13517850257, 7850257 | See Product Detail | See Product Detail |
Verified Vehicle Compatibility
| Make / Manufacturer | Vehicle Model & Platform | Engine Specification | Model Years |
|---|---|---|---|
| BMW | 3 Series F30 / F31 (320i / 328i / 335i) | BMW N20 / N26 / N55 / S55 (2.0L & 3.0L TwinPower Turbo) | 2012-2016 |
| BMW | 5 Series F10 / F11 (520i / 528i / 535i) | BMW N20 / N26 / N55 / S55 (2.0L & 3.0L TwinPower Turbo) | 2011-2017 |
| BMW | X3 F25 / X4 F26 (xDrive28i / xDrive35i) | BMW N20 / N26 / N55 / S55 (2.0L & 3.0L TwinPower Turbo) | 2011-2017 |
| BMW | X5 F15 / X6 F16 (xDrive35i) | BMW N20 / N26 / N55 / S55 (2.0L & 3.0L TwinPower Turbo) | 2014-2018 |
| BMW | 328i (F30) | BMW N20 / N26 / N55 / S55 (2.0L & 3.0L TwinPower Turbo) | 2012-2016 |
| BMW | 528i (F10) | BMW N20 / N26 / N55 / S55 (2.0L & 3.0L TwinPower Turbo) | 2012-2016 |
| BMW | X3 xDrive28i (F25) | BMW N20 / N26 / N55 / S55 (2.0L & 3.0L TwinPower Turbo) | 2013-2017 |
| BMW | 335i / 435i / M235i | BMW N20 / N26 / N55 / S55 (2.0L & 3.0L TwinPower Turbo) | 2012-2016 |
| BMW | M2 F87 | BMW N20 / N26 / N55 / S55 (2.0L & 3.0L TwinPower Turbo) | 2016-2018 |
| BMW | M3 F80 / M4 F82 | BMW N20 / N26 / N55 / S55 (2.0L & 3.0L TwinPower Turbo) | 2015-2020 |
Installation, Tightening Torque & Re-torque Protocol
Strict torque compliance is mandatory on BMW N20 / N26 / N55 / S55 (2.0L & 3.0L TwinPower Turbo) common-rail cylinder heads. Over-torquing stretches the injector body or strips the head clamping threads, while under-torquing allows combustion blow-by past the copper sealing washer:
- Hold-down clamp bolt: 13 N·m (cold state). Always clean the cylinder head recess with an injector seat reamer.
- High-pressure rail flare nut: 25-30 N·m using a dedicated 17 mm line wrench.
- Return leak-off banjo bolt: 9-12 N·m with fresh copper washers on both sides of the banjo union.
After fitting replacement injectors on BMW N20 / N26 / N55 / S55 (2.0L & 3.0L TwinPower Turbo), generate or program the cylinder-specific IMA calibration code into the engine ECU using an OEM-level scan tool (Bosch KTS, Renault CLIP, or VAG-COM) to prevent cylinder power imbalance and rough idle.
Technical Diagnostics FAQ for BMW N20 / N26 / N55 / S55 (2.0L & 3.0L TwinPower Turbo)
What DTC fault codes indicate a failing injector on BMW N20 / N26 / N55 / S55 (2.0L & 3.0L TwinPower Turbo)?
The most frequent fault codes are P0201 through P0204 (Injector Circuit Malfunction on Cylinders 1-4), P2146/P2149 (Injector Group Supply Voltage Error), and P0087 (Fuel Rail Pressure Low due to excessive internal leak-off). Measure solenoid coil resistance across the pins (0.5-1.5 Ω) and perform a graduated-bottle dynamic leak-back test to pinpoint the leaking cylinder.
Can sister SKUs within the BMW N20 / N26 / N55 / S55 (2.0L & 3.0L TwinPower Turbo) family be interchanged?
Not unless explicitly confirmed on the vehicle build plate. While sister SKUs share the same physical outer envelope and See Product Detail control valve, they differ in nozzle spray orifice angle and factory IMA flow calibration. Mixing sister SKUs on the same engine block can trigger rough idle, elevated exhaust gas temperatures (EGT), and MOT emissions failure.
Which specific Bosch injectors fit the BMW N20 / N26 / N55 / S55 (2.0L & 3.0L TwinPower Turbo) engine?
The verified genuine Bosch common-rail injectors engineered for the BMW N20 / N26 / N55 / S55 (2.0L & 3.0L TwinPower Turbo) engine family are:
- Bosch 0261500109 Common Rail Injector → (OE: 13647639994, 13647597870, 13644596001, 13647639995) —
- Bosch 13517588879 Common Rail Injector → (OE: 7588879, 0261520141, 0261520142, 13518604229, 8604229, 13517630644, 7630644) — Control Valve: Integrated High-Speed Digital Fuel Quantity Control Valve,
- Bosch 13517616170 Common Rail Injector → (OE: 13517594419, 13517592881, 0261520144, 0261520143, GDP104, HM10014) — Control Valve: Integrated Electromagnetic Digital Flow Quantity Control Valve,
- Bosch 13647597870 Common Rail Injector → (OE: 7597870, 13647639994, 7639994, 0261500073, 0261500109, 0261500247, FJ1177) —
- Bosch 13517847204 Common Rail Injector → (OE: 7847204, 13517850257, 7850257) —