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ACL BMW N54/N55/S55B30 3.0L Inline 6 RACE Series Engine Crankshaft Main Bearing Set
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The 0.50mm oversize ACL Race Series main bearing set for BMW N54, N55 and S55B30 3.0L engines. This is the deepest step in the range and is the one reached for when a high-mileage or previously repaired crankshaft needs a second regrind to clean up.
Verified fitment: 2011 BMW 1 Series M; 2008-2010 135i; 2007-2010 335i; 2009-2010 335i xDrive; 2011-2013 335is; 2007-2008 335xi; 2008-2010 535i; 2009-2010 535i xDrive; 2008 535xi; 2011-2012 740i and 740Li; 2008-2010 X6 xDrive35i; 2009-2016 Z4 sDrive35i; 2011-2016 Z4 sDrive35is.
Having the 0.50mm set on the shelf can save a crank that a machinist would otherwise condemn.
Available to order at Rev Auto Club, alongside the 0.025mm and 0.25mm steps of the same set.
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Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
This website is encrypted. We take your security very seriously. All transactions powered by Shopify.
Rates are approximations. Exact rates will be provided at checkout.
Shipping estimator







Why buy from Rev Auto Club
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Fitment verifiedEvery part checked against your exact year, make & model before you buy.
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Sourced by specialistsOEM & performance parts chosen by techs who work on Porsche, Ferrari, BMW & Mercedes every day.
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Fast, free US shippingFree ground shipping on US orders — placed before 4PM EST, ships same day.
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Local pickup & installMiami customers can pick up or have it professionally installed at our shop.
Miami's European & exotic vehicle specialists · 1141 NW 36 St, Miami FL 33127 · (305) 847-9935
