{"glb":"/models/components/airfilter.glb","parts":[{"id":"eng-intake-001","node":"airFilterBoxAirbox","label":"Air Filter Box / Airbox (x2, one per bank)","assembly":"Airbox & Filter","system":"Engine","tier":"primary","partNumber":"981.110.211.02","function":"Houses the air filter elements for each bank, channeling ambient air into the induction system.","componentId":"airfilter"},{"id":"eng-intake-002","node":"airFilters","label":"Air Filters (x2)","assembly":"Airbox & Filter","system":"Engine","tier":"primary","partNumber":"981.110.021.01","function":"Filters particulates from incoming air before it reaches the throttle bodies and combustion chambers.","componentId":"airfilter"},{"id":"eng-intake-003","node":"intakeDuctsSnorkelTubes","label":"Intake Ducts / Snorkel Tubes (x2)","assembly":"Airbox & Filter","system":"Engine","tier":"primary","partNumber":"981.110.133.00","function":"Routes fresh air from the engine bay inlets into each airbox housing.","componentId":"airfilter"},{"id":"eng-intake-004","node":"massAirflowSensorsMaf","label":"Mass Airflow Sensors / MAF (x2)","assembly":"Sensors","system":"Engine","tier":"primary","partNumber":"9A1.606.183.01","function":"Measures the mass of air entering each bank using a hot-wire element so the DME can calculate the correct fuel delivery.","componentId":null},{"id":"eng-intake-005","node":"throttleBody","label":"Throttle Body (x2, one per bank)","assembly":"Throttle Bodies","system":"Engine","tier":"primary","partNumber":"9A1.105.304.03","function":"Regulates airflow into each intake manifold via a drive-by-wire butterfly valve controlled by the DME.","componentId":null},{"id":"eng-intake-006","node":"intakeManifoldBank1","label":"Intake Manifold Bank 1 (Variable Geometry)","assembly":"Intake Manifolds","system":"Engine","tier":"primary","partNumber":"9A1.110.115.30","function":"Distributes air to the three Bank 1 cylinders using variable-length runners that optimise torque across the rev range.","componentId":null},{"id":"eng-intake-007","node":"intakeManifoldBank2","label":"Intake Manifold Bank 2 (Variable Geometry)","assembly":"Intake Manifolds","system":"Engine","tier":"primary","partNumber":"9A1.110.115.02","function":"Distributes air to the three Bank 2 cylinders using variable-length runners that optimise torque across the rev range.","componentId":null},{"id":"eng-intake-008","node":"intakeManifoldResonanceFlapActuator","label":"Intake Manifold Resonance / Tuning Flap Actuator (x2)","assembly":"Intake Manifolds","system":"Engine","tier":"primary","partNumber":"9A1.110.120.25","function":"Electrically switches intake runner length at approximately 3500 rpm to maximise induction resonance and mid-range torque.","componentId":null},{"id":"eng-intake-009","node":"intakeAirTemperatureSensors","label":"Intake Air Temperature Sensors (x2)","assembly":"Sensors","system":"Engine","tier":"primary","partNumber":"948.606.420.01","function":"Monitors intake air temperature, typically integrated into the MAF sensor housing, so the DME can correct fuel and ignition timing for air density.","componentId":null},{"id":"eng-intake-010","node":"crankcaseBretherPcvValve","label":"Crankcase Breather / PCV Valve and Hoses","assembly":"Crankcase Ventilation","system":"Engine","tier":"primary","partNumber":"981.106.227.02","function":"Returns crankcase blow-by gases back to the intake pre-filter to reduce emissions and maintain crankcase vacuum.","componentId":null},{"id":"eng-intake-011","node":"airboxToThrottleBodyDuctBank1","label":"Airbox-to-Throttle Body Duct, Bank 1","assembly":"Intake Ducts","system":"Engine","tier":"primary","partNumber":"981.110.133.00","function":"Sealed flexible tube conveying metered air from the Bank 1 airbox outlet and MAF sensor directly to the Bank 1 throttle body inlet.","componentId":null},{"id":"eng-intake-012","node":"airboxToThrottleBodyDuctBank2","label":"Airbox-to-Throttle Body Duct, Bank 2","assembly":"Intake Ducts","system":"Engine","tier":"primary","partNumber":"981.110.134.00","function":"Sealed flexible tube conveying metered air from the Bank 2 airbox outlet and MAF sensor directly to the Bank 2 throttle body inlet.","componentId":null},{"id":"eng-intake-013","node":"throttleBodyAdapterBank1","label":"Throttle Body Adapter / Flange, Bank 1","assembly":"Throttle Bodies","system":"Engine","tier":"sub","partNumber":"997.605.115.01","function":"Bolted adapter coupling the Bank 1 throttle body flange to the intake manifold, providing a gas-tight transition and accommodating minor axis misalignment.","parent":"eng-intake-005"},{"id":"eng-intake-014","node":"throttleBodyBank2","label":"Throttle Body, Bank 2","assembly":"Throttle Bodies","system":"Engine","tier":"primary","partNumber":"9A1.105.304.04","function":"Regulates airflow into the Bank 2 (A122) intake manifold via a drive-by-wire butterfly valve controlled by the DME.","componentId":null},{"id":"eng-intake-015","node":"resonanceFlapVacuumUnit","label":"Resonance Flap Vacuum / Actuator Unit","assembly":"Intake Manifolds","system":"Engine","tier":"sub","partNumber":"993.110.462.02","function":"Vacuum-operated actuator that drives the resonance butterfly valves within the intake manifolds, controlled by the DME via a solenoid to switch runner length.","parent":"eng-intake-008"},{"id":"eng-intake-016","node":"mapSensorBoostPressure","label":"MAP / Boost Pressure Sensor","assembly":"Sensors","system":"Engine","tier":"primary","partNumber":"948.606.230.02","function":"Measures absolute pressure in the intake manifold so the DME can calculate air mass via the speed-density method and verify MAF sensor plausibility.","componentId":null},{"id":"eng-intake-017","node":"intakeManifoldPressureSensor","label":"Intake Manifold Pressure Sensor (Absolute)","assembly":"Sensors","system":"Engine","tier":"sub","partNumber":"948.606.180.00","function":"Secondary manifold-absolute-pressure sensor fitted to the intake air distributor; supports load-detection redundancy and variable-runner position feedback.","parent":"eng-intake-016"},{"id":"eng-intake-018","node":"intakeManifoldTempSensor","label":"Intake Manifold Temperature Sensor (Charge Air)","assembly":"Sensors","system":"Engine","tier":"sub","partNumber":"997.606.213.00","function":"Monitors air temperature immediately downstream of the throttle body at the manifold port; input to DME charge-temperature compensation.","parent":"eng-intake-009"},{"id":"eng-intake-019","node":"crankvcaseCvLineSecondary","label":"Crankcase Ventilation Secondary Line","assembly":"Crankcase Ventilation","system":"Engine","tier":"sub","partNumber":"981.106.682.02","function":"Secondary hose routing crankcase gases to the intake pre-filter side, completing the closed-loop ventilation circuit.","parent":"eng-intake-010"},{"id":"air-intake-new-001","node":"airFilterElement","label":"Air Filter Element (Panel Filter, x2)","assembly":"Airbox & Filter","system":"Engine","tier":"sub","partNumber":"981.110.130.00","function":"Replaceable filter media insert within the airbox that traps dust and debris, serviced independently of the housing.","componentId":"airfilter","parent":"eng-intake-001"},{"id":"air-intake-new-002","node":"airGuide","label":"Air Guide / Deflector","assembly":"Airbox & Filter","system":"Engine","tier":"sub","partNumber":"981.110.270.00","function":"Directs airflow within the engine bay toward the airbox inlets to ensure a steady supply of cool ambient air.","componentId":"airfilter","parent":"eng-intake-001"},{"id":"air-intake-new-003","node":"oilSeparatorCrankcase","label":"Oil Separator (Crankcase Ventilation)","assembly":"Crankcase Ventilation","system":"Engine","tier":"sub","partNumber":"9A1.101.010.00","function":"Separates oil mist from crankcase blow-by gases before they are returned to the intake system, preventing oil contamination of the intake tract.","componentId":null,"parent":"eng-intake-010"},{"id":"air-intake-new-004","node":"intakeManifoldRubberSleeve","label":"Intake Manifold Rubber Sleeve / Connector Boot (x2)","assembly":"Intake Manifolds","system":"Engine","tier":"sub","partNumber":"9A1.110.210.01","function":"Flexible rubber coupling between the throttle body and intake manifold that absorbs vibration and seals the air path.","componentId":null},{"id":"air-intake-new-005","node":"intakeManifoldSeal","label":"Intake Air Distributor Seal","assembly":"Intake Manifolds","system":"Engine","tier":"sub","partNumber":"9A1.110.215.01","function":"Seals the mating face between the intake air distributor and the cylinder head to prevent unmetered air ingress.","componentId":null},{"id":"air-intake-new-006","node":"airboxMountingGrommet","label":"Airbox Mounting Grommet / Rubber Buffer","assembly":"Airbox & Filter","system":"Engine","tier":"sub","partNumber":"993.110.530.01","function":"Anti-vibration rubber grommet isolating the airbox from the engine bay structure to suppress noise transmission and protect the housing from stress cracking.","componentId":"airfilter","parent":"eng-intake-001"},{"id":"air-intake-new-007","node":"ramAirSnorkelDuct","label":"Ram Air / Intake Snorkel Duct (x2)","assembly":"Airbox & Filter","system":"Engine","tier":"primary","partNumber":"981.110.134.00","function":"External-facing inlet snorkel directing ram-pressure ambient air from the rear quarter cooling vents into the airbox inlet; improves volumetric efficiency at speed.","componentId":"airfilter"},{"id":"air-intake-new-008","node":"mafSensorHousing","label":"MAF Sensor Housing / Measurement Tube (x2)","assembly":"Sensors","system":"Engine","tier":"sub","partNumber":"991.110.282.03","function":"Precision-bore connecting piece that cradles the hot-film MAF sensing element between the airbox outlet and the intake duct, ensuring laminar flow past the sensor wire.","componentId":null,"parent":"eng-intake-004"}]}