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BMW Internal Engine Parts

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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OEM Head Bolt Set - M50 M52 S50 S52

T#:1551

Part#: 11121721938

In Stock

Sale - Save 66% $ 62.21

This product was last offered at the strikethrough price on
05-14-2026

$ 20.94 USD

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Sale - Save 66%

$ 62.21

This product was last offered at the strikethrough price on
05-14-2026

$ 20.94 USD

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Head Bolt Set for all M50 engines with a steel engine block.

When doing any sort of repair or maintenance there is no replacement for genuine factory parts. Turner Motorsport carries the Genuine BMW brand with pride and has the parts you need to complete your next project with confidence.

This item fits the following BMWs:
992-1998 E36 BMW 323is 323ic 325i 325is 325ic 328i 328is 328ic M3
1991-1995 E34 BMW 525i
1997-1998 E39 BMW 528i
1998-2000 Z3 BMW M Roadster M Roadster

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Schrick - S54 Exhaust Camshaft (280 Degree, 12.5mm Lift) - E46 M3, Z3...

T#:1259

Part#: TMS1259

In Stock

Sale - Save 5% $ 1,775.98

This product was last offered at the strikethrough price on
07-07-2026

$ 1,687.18 USD

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Sale - Save 5%

$ 1,775.98

This product was last offered at the strikethrough price on
07-07-2026

$ 1,687.18 USD

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E46 M3 Schrick 280 Degree Exhaust Camshaft with 12.5mm lift. This was originally desinged for the M3 CSL but works great in the standard M3. This cam is slightly more agressive than the "original" Schrick 272 degree (which we also offer). A new rocker arm is required (Schrick or new BMW part #11337833259).

BMW Schrick Technical Specs

Schrick Technical Information / Specs

This item fits the following BMWs:
2001-2006 E46 BMW M3
2001-2002 Z3 BMW M Roadster M Coupe
2006-2008 E85 BMW Z4 M Roadster M Coupe

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BMW US S50 6 Cyl. 284-Degree - Intake Camshaft

T#:554296

Part#: 0284E1840-0V1

In Stock

Sale - Save 15% $ 1,727.99

This product was last offered at the strikethrough price on
07-07-2026

$ 1,468.79 USD

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Qty

Sale - Save 15%

$ 1,727.99

This product was last offered at the strikethrough price on
07-07-2026

$ 1,468.79 USD

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Schrick has been dedicated to engine performance through the development of only the highest-quality camshafts for more than 40 years. They've created a bond with BMW enthusiasts nearly the entire time, offering options for both the street and track using top materials for strength and accuracy. Schrick has grown into a technology center offering one of the most advanced locations for engine testing and manufacturing. These are the same cams used by many high-end German tuners who are achieving sizeable gains with the US S50 engine. For the power-hungry, these cams are a great way to achieve a linear increase in horsepower from mid-range, up to redline. Duration Intake- 284 Duration Intake @ 1mm - 253 Intake Peak Timing - 122 Cam Lobe Lift Intake - 11, 9 Valve Lift w/o Valve Clearance Intake - 11, 9 Valve Clearance Intake - 0,25

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N55/S55 37cc Platinum Series Dish Extreme Duty Piston Set - 84.5mm Bo...

T#:17073606

Part#: 647005CE-6

In Stock

Sale - Save 27% $ 1,309.99

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

$ 950.00 USD

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Sale - Save 27%

$ 1,309.99

This product was last offered at the strikethrough price on
06-26-2026

$ 950.00 USD

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Schrick Exhaust Camshaft - E46 M3, MZ3, MZ4 (S54) - 272 Degree, 12.5m...

T#:338215

Part#: TMS11749

Ships on Dec 18, 2026

Sale - Save 15% $ 2,553.99

This product was last offered at the strikethrough price on
05-03-2026

Starting at $ 2,165.97 USD

Add to Wish List

Sale - Save 15%

$ 2,553.99

This product was last offered at the strikethrough price on
05-03-2026

Starting at $ 2,165.97 USD

Add to Wish List

E46 M3 Schrick 272 Degree Exhaust Camshaft with 12.5mm valve lift. New rocker arms are required (BMW part #11337833259 or a new Schrick part).

BMW Schrick Technical Specs

Schrick Technical Information / Specs

This item fits the following BMWs:
2001-2006 E46 BMW M3
2001-2002 Z3 BMW M Roadster M Coupe
2006-2008 E85 BMW Z4 M Roadster M Coupe

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S14 EVO3 2.5L Crankshaft without Bearings

T#:393127

Part#: 11211315485

In Stock

Sale - Save 20% $ 3,449.99

This product was last offered at the strikethrough price on
08-23-2026

$ 2,750.00 USD

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Qty

Sale - Save 20%

$ 3,449.99

This product was last offered at the strikethrough price on
08-23-2026

$ 2,750.00 USD

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S14 EVO3 2.5L Crankshaft without Bearings

Schrick Intake Camshaft - E46 M3, MZ3, MZ4 (S54) - 288 Degree, 12.5mm...

T#:338222

Part#: TMS3572

Ships on Jan 29, 2027

Sale - Save 28% $ 5,600.99

This product was last offered at the strikethrough price on
07-08-2026

Starting at $ 4,048.04 USD

Add to Wish List

Sale - Save 28%

$ 5,600.99

This product was last offered at the strikethrough price on
07-08-2026

Starting at $ 4,048.04 USD

Add to Wish List

E46 M3 Schrick 288 Degree Intake Camshaft with 12.5mm valve lift. Originally desinged for the M3 CSL but works great in a standard M3. A new rocker arm is required (Schrick or new BMW part #11337833259). This is a more agressive cam that the Schrick 280 degree cam that we also offer for the E46M3

BMW Schrick Technical Specs

Schrick Technical Information / Specs

This item fits the following BMWs:
2001-2006 E46 BMW M3
2001-2002 Z3 BMW M Roadster M Coupe
2006-2008 E85 BMW Z4 M Roadster M Coupe

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BMW Internal Engine Parts

Sub-Categories

OEM Head Bolt Set - M50 M52 S50 S52

Schrick - S54 Exhaust Camshaft (280 Degree, 12.5mm Lift) - E46 M3, Z3...

BMW US S50 6 Cyl. 284-Degree - Intake Camshaft

N55/S55 37cc Platinum Series Dish Extreme Duty Piston Set - 84.5mm Bo...

Schrick Exhaust Camshaft - E46 M3, MZ3, MZ4 (S54) - 272 Degree, 12.5m...

S14 EVO3 2.5L Crankshaft without Bearings

Schrick Intake Camshaft - E46 M3, MZ3, MZ4 (S54) - 288 Degree, 12.5mm...

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