{"product_id":"original-bosch-bmw-e23-e24-auxiliary-air-slide-valve-0280140152-13631284414","title":"Original Bosch BMW E23 \/ E24 Auxiliary Air Slide Valve – 0280140152 \/ 13631284414","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eOriginal used Bosch auxiliary air slide valve for selected BMW E23 7 Series and E24 6 Series models equipped with an M30 petrol engine.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe auxiliary air slide valve supplies additional air to the engine while it is cold, increasing the cold-start idle speed. As the valve warms up, its internal shutter gradually closes and reduces the additional airflow.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis is an original Bosch component carrying reference number \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e0 280 140 152\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. The corresponding BMW catalogue number is \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e13631284414\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eSeveral visually similar Bosch auxiliary air valves were installed during this period. Compatibility must therefore be checked using both the Bosch and BMW part numbers rather than appearance alone.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eProduct details\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eProduct: Auxiliary air slide valve\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAlternative description: Cold-start auxiliary air valve\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGerman description: Zusatzluftschieber\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eManufacturer: Bosch\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eApplication: Original-equipment BMW component\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eBosch part number: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e0 280 140 152\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eCompact Bosch number: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e0280140152\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eBMW part number: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e13631284414\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eFormatted BMW number: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e13 63 1 284 414\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eShort BMW reference number: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e1284414\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEngine family: BMW M30\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eElectrical connection: Two-pin connection\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAir connections: Two hose connections\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMounting bracket: Integrated\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInstallation position: Engine intake and auxiliary-air system\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCondition: Used\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eQuantity: One\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eVehicle compatibility\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eSuitable for selected BMW vehicles fitted with the corresponding M30 intake and auxiliary-air system.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eBMW 6 Series E24\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eBMW 635CSi\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePrimarily vehicles produced approximately from May 1982 to September 1984\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSelected European and market-specific versions without a catalytic converter\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eBMW 7 Series E23\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eBMW 732i\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBMW 735i\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSelected South African BMW 733i versions\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSelected South African BMW 745i versions with the corresponding engine and intake system\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eExact compatibility depends on the model, production date, engine version, transmission, country specification and emissions equipment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis valve must not be assumed to fit every E23 or E24. Earlier and later vehicles may use different Bosch auxiliary air valves that appear almost identical but have different calibration, hose orientation or part numbers.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eAlways compare:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eBosch number \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e0 280 140 152\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eBMW number \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e13631284414\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eElectrical connector\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHose-connection diameter and orientation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMounting bracket\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOriginal valve fitted to the vehicle\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eReference numbers\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003e0280140152\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Bosch auxiliary air slide valve\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003e0 280 140 152\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Formatted Bosch reference\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003e13631284414\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – BMW additional air slide valve\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003e13 63 1 284 414\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Formatted BMW catalogue number\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003e1284414\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Short BMW reference number\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eDo not confuse this valve with Bosch versions such as 0 280 140 040, 0 280 140 124, 0 280 140 133 or other visually similar auxiliary air slide valves.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eFunction\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eWhen the engine is cold, the valve allows additional air to bypass the closed throttle valve. This increases the cold idle speed and helps the engine run smoothly during warm-up.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe electrical heating element and rising engine temperature gradually close the internal air shutter. Once the engine has warmed up, the additional airflow should be substantially reduced.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eA defective or sticking auxiliary air valve may cause symptoms such as:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eIncorrect cold idle speed\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEngine stalling shortly after a cold start\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eExcessively high warm idle\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFluctuating or unstable idle speed\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAdditional unmetered-air or vacuum-leak symptoms\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThese possible symptoms are provided for general identification purposes only and do not constitute a diagnosis.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eCondition\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eOriginal used Bosch component with visible age- and use-related wear, including:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eSurface oxidation and discolouration\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDirt and storage marks\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCosmetic wear to the aluminium housing\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMarks around the hose connections\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAge-related wear to the mounting bracket and electrical connection\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe valve has not been function-tested. Operation of the internal shutter and electrical heating element cannot be guaranteed.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCleaning, inspection and testing are recommended before installation. Supplied exactly as shown in the photograph.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eIncluded\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eOne Bosch auxiliary air slide valve\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIntegrated mounting bracket\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eExisting electrical connector housing shown in the photograph\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eNo air hoses, hose clamps, wiring harness, mounting hardware, gaskets or other intake components are included.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eTesting recommendation\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eBefore installation:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eInspect both hose connections for cracks or deformation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCheck the electrical connector and terminals\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInspect the mounting bracket\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLook through the air passage while the valve is cold\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eConfirm that the internal shutter is at least partially open when cold\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eApply the correct electrical supply and verify that the passage gradually closes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCheck the electrical heating element for continuity\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eClean the internal air passage using a suitable non-aggressive cleaner\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAllow the valve to dry completely before installation\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eDo not force the internal shutter with a screwdriver or other hard object, as this may damage the mechanism or calibration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eBecause the valve is supplied untested, professional inspection is recommended before use.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eStorage location:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 203\u003c\/span\u003e\u003c\/p\u003e","brand":"Tayushi","offers":[{"title":"Default Title","offer_id":57480124039543,"sku":null,"price":125.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/3704\/2551\/files\/6E23BFB7-C85A-4737-857D-EFA1FCCC07B5_1_105_c.jpg?v=1790017970","url":"https:\/\/www.tayushi.com\/products\/original-bosch-bmw-e23-e24-auxiliary-air-slide-valve-0280140152-13631284414","provider":"Tayushi","version":"1.0","type":"link"}