{"product_id":"ajusa-head-bolt-set-bmw-n54b30","title":"Ajusa Head Bolt Set - BMW N54B30","description":"\u003cp\u003eAjusa OE-quality cylinder head bolt set for BMW's N54B30 twin-turbo inline-6. Torque-to-yield (TTY) bolts — single-use, must be replaced any time the cylinder head is removed.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFits:\u003c\/strong\u003e BMW N54B30 — 135i, 335i, 335xi, 335i xDrive, 535i, 535xi, X6 35i, 740i\/740Li, 1 Series M (1M Coupe). Also commonly listed for Z4 sDrive35i and 335is — confirm your engine code is N54B30 (not N55B30) before ordering.\u003c\/p\u003e\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003eHead Bolt Set\u003c\/strong\u003e — complete set of 10 M12x1.5 Torx TTY bolts for one cylinder head installation\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e⚠️ Always replace head bolts as a full set whenever the cylinder head is removed — do not reuse old TTY bolts.\u003c\/p\u003e","brand":"Ajusa","offers":[{"title":"Standard","offer_id":48943583461601,"sku":"81040000","price":109.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0655\/7355\/2353\/files\/aju-81040000_jf_xl.jpg?v=1787005715","url":"https:\/\/europeanengineparts.com\/products\/ajusa-head-bolt-set-bmw-n54b30","provider":"European Engine Parts","version":"1.0","type":"link"}