{"product_id":"crankshaft-bmw-2-3-4-5-7-series-x3-x4-x5-x6","title":"Crankshaft N55 – BMW F Series  (11-18)","description":"\u003cp data-path-to-node=\"1\"\u003eThe \u003cb data-path-to-node=\"1\" data-index-in-node=\"44\"\u003eForged Steel Crankshaft\u003c\/b\u003e for the BMW \u003cb data-path-to-node=\"1\" data-index-in-node=\"80\"\u003eN55\u003c\/b\u003e 3.0-litre inline-six turbocharged engine. As the central rotating component of the engine's bottom end, the crankshaft converts the linear reciprocating motion of the pistons into the rotational torque required to drive the transmission and wheels.\u003c\/p\u003e\n\u003cp data-path-to-node=\"2\"\u003eThe N55 crankshaft is engineered to withstand the significant cylinder pressures generated by BMW’s TwinPower Turbo technology. While remarkably robust, the crankshaft can require replacement due to catastrophic engine failure, typically caused by oil starvation or extreme bearing wear (\"spun bearings\"). Such issues often stem from neglected oil maintenance, a failing oil housing gasket, or a blocked oil pickup. If the journals are scored or the shaft shows signs of heat discolouration, replacement is necessary to ensure the structural integrity and balance of the engine's internal rotating assembly.\u003c\/p\u003e\n\u003cp data-path-to-node=\"3\"\u003e\u003cb data-path-to-node=\"3\" data-index-in-node=\"0\"\u003eVehicle Compatibility:\u003c\/b\u003e This crankshaft is specific to the \u003cb data-path-to-node=\"3\" data-index-in-node=\"58\"\u003eN55B30\u003c\/b\u003e engine found in a wide range of \"35i\" and \"40i\" (pre-B58) models:\u003c\/p\u003e\n\u003cul data-path-to-node=\"4\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"4,0,0\"\u003e\u003cb data-path-to-node=\"4,0,0\" data-index-in-node=\"0\"\u003e3 Series (E90 \/ E92 \/ F30 \/ F34):\u003c\/b\u003e 2011–2015 (335i, 335xi)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"4,1,0\"\u003e\u003cb data-path-to-node=\"4,1,0\" data-index-in-node=\"0\"\u003e4 Series (F32 \/ F33 \/ F36):\u003c\/b\u003e 2014–2016 (435i)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"4,2,0\"\u003e\u003cb data-path-to-node=\"4,2,0\" data-index-in-node=\"0\"\u003e5 Series (F10 \/ F11 \/ F07 GT):\u003c\/b\u003e 2011–2017 (535i)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"4,3,0\"\u003e\u003cb data-path-to-node=\"4,3,0\" data-index-in-node=\"0\"\u003e2 Series (F20 \/ F22):\u003c\/b\u003e 2011–2016 (135i, M135i, M235i)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"4,4,0\"\u003e\u003cb data-path-to-node=\"4,4,0\" data-index-in-node=\"0\"\u003eX5 \u0026amp; X6 (E70 \/ F15 \/ E71 \/ F16):\u003c\/b\u003e 2011–2018 (sDrive35i, xDrive35i)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"4,5,0\"\u003e\u003cb data-path-to-node=\"4,5,0\" data-index-in-node=\"0\"\u003eX3 \u0026amp; X4 (F25 \/ F26):\u003c\/b\u003e 2011–2017 (xDrive35i)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"4,6,0\"\u003e\u003cb data-path-to-node=\"4,6,0\" data-index-in-node=\"0\"\u003e7 Series (F01 \/ F02):\u003c\/b\u003e 2012–2015 (740i, 740Li)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"5\"\u003e\u003cb data-path-to-node=\"5\" data-index-in-node=\"0\"\u003eSpecifications:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"6\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,1,0\"\u003e\u003cb data-path-to-node=\"6,1,0\" data-index-in-node=\"0\"\u003eEngine Code:\u003c\/b\u003e N55B30A \/ N55B30M0\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,2,0\"\u003e\u003cb data-path-to-node=\"6,2,0\" data-index-in-node=\"0\"\u003eMaterial:\u003c\/b\u003e High-Tensile Forged Steel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MYTY Auto Parts","offers":[{"title":"Default Title","offer_id":48054274719983,"sku":"11217580483","price":9650.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0769\/7183\/5631\/files\/2013-F30-335i-N55-Engine-Crankshaft.png?v=1773871152","url":"https:\/\/myty.co.za\/products\/crankshaft-bmw-2-3-4-5-7-series-x3-x4-x5-x6","provider":"MYTY Auto Parts","version":"1.0","type":"link"}