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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
OEM Head Bolt Set - M50 M52 S50 S52
Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Victor Reinz - Corporate Logo
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
Free Shipping on orders $49 and up
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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
Free Shipping on orders $49 and up
Add to Wish List
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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S14 EVO3 2.5L Crankshaft without Bearings
S14 EVO3 2.5L Crankshaft without Bearings
Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Genuine European BMW - Corporate Logo
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
Add to Wish List
Sale - Save 20%
$ 3,449.99

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

$ 2,750.00 USD
Add to Wish List
S14 EVO3 2.5L Crankshaft without Bearings
Intake Valve - E36 E46 E34 E39 Z3 (M42, M44, M50, M52, M52TU)
Intake Valve - E36 E46 E34 E39 Z3 (M42, M44, M50, M52, M52TU) ...
Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
TRW - Corporate Logo
T#:1617
Part#: 11341739820
Back Ordered
Sale - Save 27% $ 15.99

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

$ 11.72 USD
Free Shipping on orders $49 and up
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Sale - Save 27%
$ 15.99

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

$ 11.72 USD
Free Shipping on orders $49 and up
Add to Wish List
Replacement intake valve in the stock size. Fits all VAN0S versions of the M50/M52/M52TU, including 1993-2000 323, 325, 328 and the E36 M3 3.0/3.2. Also fits E39 528 and Z3 2.3, Z3 2.8, MZ3 (S52 3.2), M Roadster, M Coupe.
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