13518604229
BOSCH 13518604229 High Pressure Fuel Pump BMW B58TU S58 M340i Supra A90 X3 M40i
13517642466, 13518631642, 0261520281, 0261520282Integrated High-Speed Digital Flow Control Valve (MSV)-350 barVehicle & Engine Fitment
Technical Specifications
| Specification | Value |
|---|---|
| Pump Generation | Bosch HDP-5-Evo Single-Piston High-Pressure Mechanical Fuel Pump |
| Operating Rail PressureCore Spec | |
| Cam Drive Type | Exhaust Camshaft Tri-Lobe via DLC Roller Follower |
| Flow Regulation Control | Integrated High-Speed Digital Flow Control Valve (MSV) |
| Pump Flange Mounting Torque | 13 N·m (Even alternating pass) |
| High Pressure Pipe Flare Nut Torque | 30 N·m |
| Tightening Torque | 30 N·m |
| Hold Down Torque | 13 N·m |
| Primary OEM Reference | 13518604229, 13517642466, 13518631642, 0261520281 |
| Engine Emission Compliance | Euro 6d-TEMP / Euro 6d / LEV III Tier 3 |
| Standard Industrial Warranty | 12 Months / Unlimited Mileage |
| Operating PressureCore Spec |
Installation Tips
Tools needed: E-Torx socket set (E8 / E10) and 1/4-inch drive torque wrench, 14mm and 17mm line flare wrenches for high-pressure fuel rail connections, Clean engine assembly lubricant for cam follower and O-ring seal, Absorbent shop towels and eye safety goggles for fuel containment
- Disconnect vehicle 12V battery; pull fuel pump module fuse and crank engine for 5 seconds to discharge low-pressure system.
- Wrap fuel line unions in lint-free shop towels; slowly loosen line flare nuts to vent residual 350 bar rail pressure.
- Disconnect electrical connector from the quantity control solenoid valve.
- Release low-pressure fuel supply hose quick-connector from the pump inlet barb.
- Loosen the two E-Torx mounting bolts gradually and alternately, half a turn at a time, preventing internal spring binding.
- Remove high-pressure pump from cylinder head; extract the roller follower and inspect the cam lobe for any scuff marks.
- Thoroughly clean the mounting bore and cylinder head surface; lubricate new pump O-ring and roller follower with clean engine oil.
- Rotate engine crankshaft until the camshaft drive lobe is at lowest lift (base circle).
- Insert lubricated roller follower; position pump assembly straight into bore and thread mounting bolts finger-tight.
- Torque mounting bolts evenly in alternating passes to 13 N·m.
- Hand-thread high-pressure pipe flare nuts to ensure thread alignment; torque unions to 30 N·m.
- Reconnect electrical plug and low-pressure supply hose; cycle ignition on 3 times to bleed air before engine start.
- Extreme Rail Pressure Notice: Always allow engine to sit for 30 minutes after shutdown before cracking high-pressure fittings to let static rail pressure decay safely.
- Torque Balance Rule: Tighten mounting bolts strictly alternating half a turn per bolt; uneven tightening will fracture the alloy mounting lugs.
Frequently Asked Questions
What are the primary symptoms when 13518604229 fails?
Primary symptoms include extended cold engine cranking, severe hesitation under wide-open throttle, rough idle RPM fluctuation, and Diagnostic Trouble Codes P0087 (Fuel Rail/System Pressure Too Low), P0089 (Fuel Pressure Regulator Performance), or P0300 (Random/Multiple Cylinder Misfire).
What is the exact tightening torque for 13518604229?
The holding flange mounting torque is 13 N·m, and the high-pressure fuel pipe union nut must be torqued to 30 N·m.
Can I reuse the seals when replacing 13518604229?
No. All high-pressure fuel seals, including Viton O-rings and combustion chamber Teflon rings, are strictly single-use. Reusing compressed seals will cause pressurized fuel leaks or combustion blowby into the cylinder head.
Diagnostic Trouble Codes & Fault Protocols
Common diagnostic trouble codes (DTCs) triggered when this common rail injector experiences wear, circuit faults, or calibration drift:
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.
Technical Diagnostic & Service Protocols
Authoritative field procedures, diagnostic testing thresholds, and service SOPs for this assembly.