13648625597
BOSCH 13648625597 Yüksek Basınç Enjektörü BMW 118i 318i X1 MINI 1.5T B38
8625597, 13647639994, 7639994, 0261500494Integrated High-Speed Solenoid Multi-Hole Valve-200 barTeknik Özellikler
| Özellik | Değer |
|---|---|
| Sistem Tipi | Bosch HDEV5 Compact Direct Gasoline Fuel Injector |
| Çalışma BasıncıTemel Değer | |
| Spray Pattern | 6-hole asymmetrical laser spray optimized for 3-cylinder swirl chambers |
| Fuel Rail Bolt Torque | 13 N·m (fastening hold-down bracket bolts) |
| High Pressure Pipe Torque | 24 N·m Flare Nut Connection |
| Coil Resistance | 1.8 - 2.2 Ω at 20°C (High performance peak-and-hold excitation) |
| Tipik Arıza Kodları | P0300 (Random Misfire), P0301-P0303 (3-Cylinder Misfire), P0171 (System Too Lean) |
| Workshop Precaution | Mandatory Teflon combustion seal replacement with BMW sizing die before installation |
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
- [
- {
- "step": 1,
- "title": "Depressurize Fuel Rail & Remove Acoustic Engine Cover",
- "instruction": "Depressurize direct injection circuit via BMW ISTA service function or fuel pump fuse removal. Remove upper acoustic engine cover."
- },
- {
- "step": 2,
- "title": "Disconnect Injector Harness & High Pressure Fuel Hard Lines",
- "instruction": "Unclip wiring harness from the three injectors. Unscrew high pressure steel crossover pipe (24 N·m) and unbolt fuel rail fasteners (13 N·m)."
- },
- {
- "step": 3,
- "title": "Extract Injectors & Install Replacement Teflon Rings",
- "instruction": "Carefully draw out direct injectors using slide hammer tool. Fit new Teflon combustion seals over injector tips and compress with sizing collar."
- },
- {
- "step": 4,
- "title": "Torque Fuel Rail Bolts & High Pressure Rail Line",
- "instruction": "Seat injectors into cylinder head ports. Torque fuel rail hold-down bolts to 13 N·m. Tighten high pressure pipe flare nut to 24 N·m. Verify zero leaks."
- }
- ]
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.