13518641789
BOSCH 13518641789 Hogedrukpomp BMW M340i 540i X3 Supra B58 TU 3.0T 350 Bar
8641789, 13518631642, 8631642, 0261520521Integrated Electronic Quantity Control Solenoid Valve-350 barVoertuig- & motortoepassingen
Technische specificaties
| Specificatie | Waarde |
|---|---|
| Systeemtype | Bosch HDP6 350-bar Mechanical Plunger High-Pressure Fuel Pump |
| WerkdrukKernspecificatie | |
| Drive Actuation | Triple-lobe exhaust camshaft actuation via roller tappet bucket |
| Mounting Flange Bolt Torque | 13 N·m (alternately tightened in half-turn increments) |
| High Pressure Line Torque | 28 N·m (rigid high-pressure delivery pipe union) |
| Quantity Control Valve ResistanceKernspecificatie | |
| Veelvoorkomende foutcodes | P0087 (Fuel Rail Pressure Low), P102A (Fuel Rail Volume Mismatch), P0171 (Lean Fuel Trim) |
| Workshop Precaution | Inspect roller tappet for surface galling; replace high-pressure fuel supply pipe if flare fitting shows deformation |
Passende hogedrukbrandstofpomp (Brandstofcircuitmontage)
Werkt op hetzelfde hogedruk-common-railcircuit. Controleer bij raildrukverlies (P0087) de pompopbrengst voordat u injectoren vervangt.
Montagetips
- [
- {
- "step": 1,
- "title": "Depressurize Fuel Rail & Disconnect 12V Battery",
- "instruction": "Disable electric low-pressure in-tank pump fuse and crank until rail pressure falls below 5 bar. Disconnect battery negative terminal."
- },
- {
- "step": 2,
- "title": "Remove Engine Strut Braces & Acoustic Engine Cover",
- "instruction": "Remove upper strut braces over valve cover. Unclip acoustic sound suppression shield around high-pressure pump chamber."
- },
- {
- "step": 3,
- "title": "Unbolt High Pressure Unions & Flange Bolts Evenly",
- "instruction": "Disconnect flow metering solenoid harness. Unthread high-pressure pipe flare nut (28 N·m). Back out two flange mounting bolts evenly half-turn at a time."
- },
- {
- "step": 4,
- "title": "Install HPFP, Torque Mounting Bolts & Check for Leaks",
- "instruction": "Lubricate roller tappet bucket with clean engine oil. Seat pump and torque flange bolts to 13 N·m. Tighten high pressure line to 28 N·m. Verify zero leaks."
- }
- ]
Foutcodes (DTC) & Diagnoseprotocollen
Veelvoorkomende diagnostische foutcodes (DTC's) die optreden wanneer deze common rail-injector slijtage, circuitstoringen of kalibratieafwijkingen vertoont:
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.
Technische Diagnose- & Serviceprotocollen
Geverifieerde werkplaatsprocedures, testdrempels en richtlijnen voor deze component.