BMW Internal Engine Parts for BMW F80 M3 S55 3.0L

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Rebuilding your engine or giving your cylinder head an overhaul? Internal engine components covers parts that are located within the engine block and cylinder head. Examples include: timing chains and tensioners, rocker arms, rod bolts and studs, head bolts, valve springs, connecting rods, and more. These are Genuine BMW engine parts, performance upgrades, or approved aftermarket brands that have a long track record of reliability and quality.

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5150 AutoSport Pro-Series Turbo Build Kit - Level 2 (1000 HP) - BMW S55
5150 AutoSport Pro-Series Turbo Build Kit - Level 2 (1000 HP) - BMW S...
5150 Autosport - Corporate Logo
T#:23416563
Part#: PRO1000S55
Ships in 4 Business Days
$ 6,299.99 USD
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$ 6,299.99 USD
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An all-encompassing kit packed with forged internals custom-assembled at 5150 Autosport to prepare your BMW S55engine for high horsepower and high boost levels!
BMW N55/S55 Valves By Super Tech
BMW N55/S55 Valves By Super Tech
5150 Autosport - Corporate Logo
T#:39329323
Part#: SUP-HPVK-S55-32/
Ships in 4 Business Days
$ 1,143.99 USD
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$ 1,143.99 USD
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Supertech Titanium Valve Retainers - Intake - Sold Each
Supertech Titanium Valve Retainers - Intake - Sold Each
Supertech - Corporate Logo
T#:21604319
Part#: RET-BMN54-TI
Ships in 9 Business Days
$ 16.99 USD
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$ 16.99 USD
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7 Degree - 5mm valve stem - Single or Tripe Groove Valves
Performance Conical Valve Spring - Sold Each
Performance Conical Valve Spring - Sold Each
Supertech - Corporate Logo
T#:21604306
Part#: SPR-FE20BE-2
Ships in 9 Business Days
$ 20.99 USD
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$ 20.99 USD
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Supertech has the high performance valvetrain components you need to take your build to the next level. Seat Pressure: 84 @ 37 Open Pressure: 157 @ 10 Max Lift: 12.2mm Coil Bind: 23.20mm OutSpr.ID: 17.60mm InnSpr.OD: 21.00mm InnSpr.ID: 14.20mm Rate: 7.25
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Supertech Titanium Valve Retainers - Exhaust - Sold Each
Supertech Titanium Valve Retainers - Exhaust - Sold Each
Supertech - Corporate Logo
T#:21604320
Part#: RET-BMN54-TE
Ships in 9 Business Days
$ 16.99 USD
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$ 16.99 USD
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7 Degree - 6mm valve stem - Single or Tripe Groove Valves
Supertech Single Groove Intake Valve - Priced Each
Supertech Single Groove Intake Valve - Priced Each
Supertech - Corporate Logo
T#:14783497
Part#: BMIVN-1055S
Ships in 9 Business Days
$ 25.99 USD
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$ 25.99 USD
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Head Diam: 32mm (std) Material: Stainless Steel 21-4N Groove Type: Single Groove Length: 104.9mm Stem Diam: 4.97mm
Performance Conical Valve Spring - Set Of 24
Performance Conical Valve Spring - Set Of 24
Supertech - Corporate Logo
T#:21604324
Part#: SPR-FE20BE-24
Ships in 9 Business Days
$ 471.99 USD
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$ 471.99 USD
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Supertech has the high performance valvetrain components you need to take your build to the next level. Seat Pressure: 75 @ 37 Open Pressure: 155 @ 10 Max Lift: 12.2mm Coil Bind: 23.20mm Rate: 8 OutSpr.ID: 17.60mm InnSpr.OD: 21.00mm InnSpr.ID: 14.20mm
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Performance Conical Valve Spring - Set Of 24
Performance Conical Valve Spring - Set Of 24
Supertech - Corporate Logo
T#:21604325
Part#: SPR-FE20BE-2-24
Ships in 9 Business Days
$ 494.99 USD
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$ 494.99 USD
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Supertech has the high performance valvetrain components you need to take your build to the next level. Seat Pressure: 84 @ 37 Open Pressure: 157 @ 10 Max Lift: 12.2mm Coil Bind: 23.20mm OutSpr.ID: 17.60mm InnSpr.OD: 21.00mm InnSpr.ID: 14.20mm Rate: 7.25
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SuperTech High Performance Valve Spring Kit - 88lbs - BMW N55 S55
SuperTech High Performance Valve Spring Kit - 88lbs - BMW N55 S55 ...
Supertech - Corporate Logo
T#:14783500
Part#: SUP-HPVSK-S55-88
Ships on Oct 14, 2026
$ 1,099.99 USD
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$ 1,099.99 USD
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37cc Platinum Series Dish Extreme Duty Piston Set - N55/S55
37cc Platinum Series Dish Extreme Duty Piston Set - N55/S55 ...
MANLEY - Corporate Logo
T#:17073608
Part#: 647000CE-6
Back Ordered
8% off MSRP $ 1,423.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 1,309.99 USD
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8% off MSRP
$ 1,423.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 1,309.99 USD
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WPC Treated Main Bearing Set
WPC Treated Main Bearing Set
10X Entries Into Our F80 M3 Sweepstakes
ECS - Corporate Logo
T#:13299340
Part#: 11217849234KT2
Ships on Oct 30, 2026
$ 888.86

This product was last offered at the strikethrough price on
06-14-2026

$ 866.86 USD
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$ 866.86 USD
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5mm Single Groove Valve Keeper - Priced Each
5mm Single Groove Valve Keeper - Priced Each
Supertech - Corporate Logo
T#:21604312
Part#: KPR-5.0-7S
Back Ordered
$ 3.99 USD
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$ 3.99 USD
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Two required per valve, necessary use with certain supertech valves 5.0mm single groove

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