Engine Specs -S54 Crankshaft

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Crankshaft History

M3: S54B32

M3: S65B40, S65B44

BMW Part Number Description Weight Kgs Application Prod. Start Prod. End Superceded By
11 21 7 841 641 Crankshaft with Bearings 43.9 lb 19.9 kg S65B40 Jun-07 May-08 11 21 7 841 658
11 21 7 841 658 Crankshaft with Bearings 45.0 lb 20.4 kg S65B40 Jan-08 Feb-09 11 21 0 443 639
11 21 0 443 639 Crankshaft with Bearings 41.0 lb 18.6 kg S65B40 Jan-09 Present

Main Bearings (redirect)

Rod Bearings (link)