Crankshafts for BMW 4 Series F33 (2014+)

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The engines crankshaft takes all of the explosive energy from the pistons and translates this to the drivetrain. When bearings spin due to improper maintenance or oil starvation, the shaft can become scored and is no longer serviceable. Turner carries Genuine BMW replacements that fit and perform exactly as intended

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CTA Tools BMW Flywheel Holder - N20/N26 2.0L
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
CTA Tools - Corporate Logo
T#:584148
Part#: CTA2801
In Stock
$ 80.57 USD
Free Shipping
$ 80.57 USD
Free Shipping
Used for securing the crankshaft with the transmission installed(connected to engine)
Performance N55 Main Bearing Set
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
5150 Autosport - Corporate Logo
T#:26238415
Part#: 5150-HPMBS-N55
Ships in 3 Business Days
$ 549.99 USD
Free Shipping on orders $49 and up
5150 High Performance Coated Main Bearing Sets are made for the demands of high performance engine builds. Treated shells and coated by Calico to reduce friction, these bearings allow your engine to generate more power and resist "spinning" under stress. These coated bearings also have thermal resistant properties that not only perform in high HP applications like forced induction or race use, but also help prevent sudden engine failure in the event of oil pressure loss. 5150 bearings have proven themselves on and off the track, lasting longer and outperforming other bearings on the market.
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Performance Rod Bearing Set - N55
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
5150 Autosport - Corporate Logo
T#:26238416
Part#: 5150-HPRBS-N55
Ships in 3 Business Days
$ 399.99 USD
Free Shipping on orders $49 and up
5150 High Performance Coated Rod Bearing Sets are made for the demands of high performance engine builds. Treated shells and coated by Calico to reduce friction, these bearings allow your engine to generate more power and resist "spinning" under stress. These coated bearings also have thermal resistant properties that not only perform in high HP applications like forced induction or race use, but also help prevent sudden engine failure in the event of oil pressure loss. 5150 bearings have proven themselves on and off the track, lasting longer and outperforming other bearings on the market.
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BMW Crankshaft Front Oil Seal Installer - B37, B47, B48, B57, B58, N4...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
CTA Tools - Corporate Logo
T#:640831
Part#: CTA3881
Ships on Jul 28, 2026
$ 141.41 USD
Free Shipping
$ 141.41 USD
Free Shipping
Replaces front crankshaft seal on BMW B37, B47, B48, B57, B58, N47 & N57 engines Features: Compare to BMW Factory Tool 118 800 Components: 3881X01 – Press Sleeve, 3881X02 – Guide Tool, 3881X03 – Nut & 3881X04 – Screws Visit ctatools.com for product instructions
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BMW Crankshaft Rear Oil Seal Installer - B37, B47, B48, B57, B58, N47...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
CTA Tools - Corporate Logo
T#:640832
Part#: CTA3882
Ships on Jul 28, 2026
$ 246.91 USD
Free Shipping on orders $49 and up
Replaces the rear crankshaft seal on BMW B37, B47, B48, B57, B58, N47 & N57 engines Features: Compare to BMW Factory Tool 118 810, 118 811, 118 812, 118 813 & 118 815 Components: 3882X01 – Guide Tool, 3882X02 – Press Tool, 3882X03 – Press Tool Screws, 3882X04 – Press Cup & 3882X05 – Nut w/ Thrust Bearing Visit ctatools.com for product instructions
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