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Have you been considering building your N20 engine but weren't sure where to start? Unsure of what components to pair for the best possible power and reliability combination? The 5150 AutoSport Complete Engine Build Kit features every component you need to fortify your BMW N20 internally and prepare your engine for increased power and boost applications. These components are the combination that we have had the most success with and recommend as a result. Please note that each engine kit requires a consultation before shipping, and one of our engine build advisors will contact you regarding your piston configuration, compression ratio, etc. before shipment. This kit includes: High Performance Valve Spring Kit High Performance Intake Valves High Performance Exhaust Valves High Performance Valve Locks ARP2000 Head Stud Kit Athena-SCE Cut Ring Head Gasket CP-Carrillo Forged Pistons CP-Carrillo or Manley Performance Forged Connecting Rods Calico Coated 5150 AutoSport High Performance Rod Bearings BMW N20 Applications: 1 Series 2011-2015 F20/F21 116i / 118i / 120i / 125i 2 Series 2014-2016 F22/F23 220i / 228i 3 Series 2012-2016 F30/F31 320i / 328i 2013-2016 F34 320i / 328i GT 4 Series 2013-2016 F32/F33 420i / 428i 5 Series 2011-2017 F10/F11 520i / 528i 2011-2017 F07 520i / 528i GT X1 Series 2012-2017 E84 X1 sDrive20i / xDrive20i / xDrive28i X3 Series 2012-2017 F25 X3 sDrive20i / xDrive20i / xDrive28i X4 Series 2014-2016 F26 X4 xDrive20i / xDrive28i X5 Series 2013-2014 F15 X5 xDrive25i / xDrive28i Z Series 2011-2016 E89 Z4 sDrive20i / sDrive28i BMW N26 Applications: 3 Series 2013-2016 F30/F31 320i / 328i / 328i xDrive 2014-2016 F34 328i / 328i xDrive GT 4 Series 2014-2016 F32/F33 428i / 428i xDrive 2014-2016 F36 428i / 428i xDrive Gran Coupe 5 Series 2012-2016 F10 528i / 528i xDrive X1 Series 2013-2015 E84 X1 xDrive28i X3 Series 2013-2017 F25 X3 xDrive28i
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We currently ship within the US, with more countries coming soon.
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🇺🇸 Ship from USA · On Agora since 2026
$4,199.99