OEM BMW Throttle Body with Secondary ASC Throttle, part number 1433237. Removed from a BMW M52 engine and compatible with several BMW models equipped with ASC+T (traction control). Condition: ✅ Genuine BMW OEM ✅ Clean, no cracks or major wear ✅ Butterflies move freely ✅ Includes secondary ASC throttle body Part Details: • Part #: 1433237 • Fits M52 engines: B20, B23, B25, B28 • Includes main throttle body + ASC secondary throttle body Compatibility: Fits the following BMW models with M52 engines (verify part number for exact fitment): • E36: 323i, 323is, 328i, 328is, M3 (Euro spec) • E38: 728i • E39: 520i, 523i, 528i Years: 1995–2000 Shipping & Returns: 📦 Fast shipping, well packaged