{"product_id":"original-bosch-bmw-e23-e24-e28-m30-auxiliary-air-slide-valve-0280140133-13631274606","title":"Original Bosch BMW E23 E24 E28 M30 Auxiliary Air Slide Valve – 0280140133 \/ 13631274606","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eOriginal used Bosch auxiliary air slide valve for selected BMW E23, E24 and E28 models equipped with an M30 petrol engine.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe valve supplies additional bypass air while the engine is cold, increasing the cold-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 original Bosch component carries reference number \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e0 280 140 133\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. The corresponding BMW catalogue number is \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e13631274606\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 fitted to classic BMW models. Compatibility must therefore be determined using 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 280 140 133\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eCompact Bosch number: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e0280140133\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eBMW part number: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e13631274606\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 1 274 606\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\u003e1274606\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\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAir connections: Two\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 auxiliary-air system.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eBMW 5 Series E28\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eBMW 528i\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eBMW 6 Series E24\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eBMW 628CSi\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBMW 633CSi\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBMW 635CSi\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 728i\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBMW 728iS\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBMW 732i\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBMW 733i\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBMW 735i\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCompatibility depends on the production date, engine version, transmission, country specification and emissions equipment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eDifferent auxiliary air valves were used within the same model ranges. Certain Australian, Swedish, Swiss and other market-specific vehicles may use different versions or installation arrangements.\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 280 140 133\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eBMW number \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e13631274606\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 diameters 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\u003e0280140133\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 280 140 133\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\u003e13631274606\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 1 274 606\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\u003e1274606\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 0 280 140 124, 0 280 140 134, 0 280 140 152 or other visually similar auxiliary air valves. These versions may have different internal calibration or vehicle applications.\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 permits additional air to bypass the closed throttle valve. This increases the cold-idle speed and helps the engine run smoothly during its warm-up period.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe electrical heating element and rising engine temperature gradually close the internal shutter. Once the engine is warm, the additional airflow should be substantially reduced.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eA defective or sticking valve may contribute to:\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\u003eAir-leak or lean-running symptoms\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThese symptoms may also have other causes 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\u003eDirt and storage marks\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOxidation and surface discolouration\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCosmetic wear to the metal 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\u003eWear to the mounting bracket\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGeneral signs of previous installation\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 original 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 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 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 air connections for damage 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\u003eCheck the electrical heating element for continuity\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\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\u003cli\u003e\u003cspan\u003eCheck the complete auxiliary-air system for vacuum leaks\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 alter its calibration.\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":57480151761271,"sku":null,"price":100.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/3704\/2551\/files\/038B5C33-C69D-48E2-BE69-FA77750715C5_1_105_c.jpg?v=1790018832","url":"https:\/\/www.tayushi.com\/products\/original-bosch-bmw-e23-e24-e28-m30-auxiliary-air-slide-valve-0280140133-13631274606","provider":"Tayushi","version":"1.0","type":"link"}