13517616170
BOSCH 13517616170 Yüksek Basınç Pompası BMW 335i M2 M3 3.0L N55 S55
13517594419, 13517592881, 0261520144, 0261520143, GDP104, HM10014Integrated Electromagnetic Digital Flow Quantity Control Valve-200 barTeknik Özellikler
| Özellik | Değer |
|---|---|
| Sistem Tipi | BMW HPI 200-bar High-Pressure Direct Gasoline Injection |
| Operating Fuel Pressure | 200 bar (20 MPa / 2900 psi nominal peak rail pressure) |
| Pump Mechanism | Auxiliary Vacuum/Camshaft Shaft-Driven Single-Piston Plunger |
| Mounting Flange Fastener Torque | 13 N·m (115 in-lb) M8 Torx flange bolts |
| High-Pressure Steel Line Flare Nut | 25 N·m (18.4 lb-ft) rigid steel rail delivery pipe union |
| Low-Pressure Feed Line Union | 15 N·m (11 lb-ft) threaded low-pressure supply connection |
| Internal Quantity Control Solenoid | Pulse-width modulated 12V digital metering valve |
| Manufacturer | Bosch (Tier-1 OEM for BMW Group) |
| Bosch Production Reference | 0261520144 / 0261520143 |
| Çalışma BasıncıTemel Değer |
Uyumlu Yüksek Basınç Pompası (Yakıt Devresi Grubu)
Aynı yüksek basınçlı Common Rail devresinde çalışır. Düşük basınç (P0087) teşhisinde enjektörleri değiştirmeden önce pompa debisini kontrol edin.
Montaj İpuçları
- Always counter-hold the pump body outlet adapter: Loosening or tightening the metal line flare nut without holding the body hex will shear the pump internal thread boss.
- Never reuse the rubber flange O-ring: Reusing an aged radial seal causes severe oil leakage down the engine block onto the steering rack.
- Inspect drive coupling teeth: Inspect the camshaft-driven drive tang; if teeth show fretting wear, replace the intermediate drive cup to prevent sudden pump seizure.
- Mandatory ignition pre-priming: Turn ignition ON without pressing brake pedal for 10 seconds three times to run the low-pressure pump and purge all air pockets before first crank.
Ariza Kodlari (DTC) ve Teshis Protokolleri
Bu common rail enjektorunde asinma, devre arizasi veya kalibrasyon kaymasi olustugunda tetiklenen yaygin ariza kodlari (DTC):
Fuel Rail / System Pressure Too Low
Excessive internal backleak from worn control valve seats drops common rail pressure below target under engine load.
Injector Circuit Malfunction / Open Circuit
Solenoid coil resistance drift (0.2-0.5 Ω) or piezo stack degradation triggers driver stage shutdown on affected cylinders.
Cylinder Misfire & Balancing Deviation
Carbon-clogged nozzle spray holes or missing IMA calibration causes uneven cylinder contribution. Recode ECM and verify washer seating.
Fuel Rail / System Pressure Too High
Spill line backpressure or stuck metering valve prevents rail depressurization, creating overpressure risks under load.
Teknik Arıza Teşhis ve Servis Protokolleri
Bu parça grubu için doğrulanmış atölye prosedürleri, test eşik değerleri ve servis talimatları.