Intake & Exhaust Valves for BMW Z4 M Roadster S54 (2003-2008)

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If you have a bent valve, look no further. Although you can replace a single valve, it is a good idea to do them all at once. Turner Motorsports carries Genuine BMW and high performance aftermarket options to suit your individual needs.

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Supertech Upgraded Valve Stem Seal Kit - BMW S54 S52 S50 M54 M52 M50
Supertech Upgraded Valve Stem Seal Kit - BMW S54 S52 S50 M54 M52 M50 ...
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Supertech - Corporate Logo
T#:641030
Part#: VS-VBM6-6CYLKT
In Stock
$ 27.99 USD
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$ 27.99 USD
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Includes a full set of polyacrylic intake and viton exhaust valve stem seals! Looking to replace your valve stem seals due to leaks, cracks, splits, or even during an upgrade of your camshafts, valve springs, or valves? Supertech valve stem seals are the way to go! This cheap but effective seal replaces the stock BMW seals that are notoriously prone to issues due to heat cycles and chemicals which cause the seals to become weak and brittle. Supertech seals offer a significantly longer life span and are resistant to both heat and chemicals thanks to their use of Viton or Polyacrylic construction (dependant on valve type). That means less time in the garage and more time on the street or track! These seals are also great for anyone who is looking to upgrade to dual valve springs thanks to the seal's overall thinner outer diameter! Guide OD: 8.8mm/.347" Seal OD: 12.2mm/.480"
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Genuine BMW Intake Valve - S54 3.2L
Genuine BMW Intake Valve - S54 3.2L
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Genuine BMW - Corporate Logo
T#:34526
Part#: 11347830889
Ships in 4 Business Days
4% off MSRP $ 66.99

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

$ 63.99 USD
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4% off MSRP
$ 66.99

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

$ 63.99 USD
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Genuine BMW Intake Valve - 35,0/5,97mm
This item fits the following BMW Chassis:
E46 M3,E85 Z4M,E46,E85 Z4,E86 Z4

Fits BMW Engines including:
S54

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BMW M42 M50 M52 M54 6mm Single Groove Valve Keeper - Set Of 24
BMW M42 M50 M52 M54 6mm Single Groove Valve Keeper - Set Of 24 ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Supertech - Corporate Logo
T#:21604313
Part#: KPR-6S-7-24
In Stock
$ 51.99 USD
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$ 51.99 USD
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BMW M42 M50 M52 M54 6mm Single Groove Valve Keeper is a precision-engineered component essential for securing valves in BMW engines. Turner Motorsport offers this high-quality valve keeper, designed to fit specific Supertech valves for enhanced performance and reliability.

  • Precision Fit: Designed specifically for BMW M42, M50, M52, and M54 engines, ensuring a perfect fit with 6.0mm single groove valves.
  • High-Quality Construction: Made from durable materials to withstand high-pressure conditions and provide long-lasting performance.
  • Enhanced Valve Security: Two keepers are required per valve to securely hold the valve in place, preventing movement and ensuring consistent engine performance.
  • Compatibility: Ideal for use with certain Supertech valves, providing a reliable solution for engine builds and upgrades.
  • Easy Installation: Simple to install with standard tools, offering a hassle-free upgrade or replacement option.
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Supertech 6mm Intake Valve Stem Seal - Polyacrylic - BMW S54 S52 S50 M54 M52 M50 M42
Supertech 6mm Intake Valve Stem Seal - Polyacrylic - BMW S54 S52 S50 ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Supertech - Corporate Logo
T#:641011
Part#: VS-VBM6I
In Stock
$ 1.99 USD
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$ 1.99 USD
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Looking to replace your valve stem seals due to leaks, cracks, splits, or even during an upgrade of your camshafts, valve springs, or valves? Supertech valve stem seals are the way to go! This cheap but effective seal replaces the stock BMW seals that are notoriously prone to issues due to heat cycles and chemicals which cause the seals to become weak and brittle. Supertech seals offer a significantly longer life span and are resistant to both heat and chemicals thanks to their use of Viton or Polyacrylic construction (dependant on valve type). That means less time in the garage and more time on the street or track! These seals are also great for anyone who is looking to upgrade to dual valve springs thanks to the seal's overall thinner outer diameter! Guide OD: 8.8mm/.347" Seal OD: 12.2mm/.480"
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Single Groove Valve Keeper 6mm - Priced Each
Single Groove Valve Keeper 6mm - Priced Each
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Supertech - Corporate Logo
T#:3268708
Part#: KPR-6S-7
In Stock
$ 5.99

This product was last offered at the strikethrough price on
03-04-2026

$ 2.99 USD
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$ 2.99 USD
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Two required per valve, for use with certain supertech valves 6.0mm single groove
Supertech 6mm Exhaust Valve Stem Seal - Viton - BMW S54 S52 S50 M54 M52 M50 M42
Supertech 6mm Exhaust Valve Stem Seal - Viton - BMW S54 S52 S50 M54 M...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Supertech - Corporate Logo
T#:641010
Part#: VS-VBM6E
In Stock
$ 1.99 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 1.99 USD
Free Shipping on orders $49 and up
Add to Wish List
Looking to replace your valve stem seals due to leaks, cracks, splits, or even during an upgrade of your camshafts, valve springs, or valves? Supertech valve stem seals are the way to go! This cheap but effective seal replaces the stock BMW seals that are notoriously prone to issues due to heat cycles and chemicals which cause the seals to become weak and brittle. Supertech seals offer a significantly longer life span and are resistant to both heat and chemicals thanks to their use of Viton or Polyacrylic construction (dependant on valve type). That means less time in the garage and more time on the street or track! These seals are also great for anyone who is looking to upgrade to dual valve springs thanks to the seal's overall thinner outer diameter! Guide OD: 8.8mm/.347" Seal OD: 12.2mm/.480"
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Genuine BMW Valve Spring Set - E46 Z3 Z4
Genuine BMW Valve Spring Set - E46 Z3 Z4
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Genuine BMW - Corporate Logo
T#:34101
Part#: 11317830890
Ships in 3 Business Days
$ 16.49

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

$ 16.47 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 16.47 USD
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Genuine BMW Set Valve Spring Yellow/Yellow
This item fits the following BMW Chassis:
E46 M3,E85 Z4M,E46,E85 Z4,E86 Z4

Fits BMW Engines including:
S54

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Genuine BMW Valve Adjustment Shim - 1.72 mm - E46 Z3 Z4
Genuine BMW Valve Adjustment Shim - 1.72 mm - E46 Z3 Z4
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Genuine BMW - Corporate Logo
T#:12960
Part#: 11347832270
Ships in 6 Business Days
$ 5.99 USD
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$ 5.99 USD
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Genuine BMW Adjusting Plate - 1,72 mm
This item fits the following BMW Chassis:
E46 M3,E85 Z4M,E46,E85 Z4,E86 Z4

Fits BMW Engines including:
S54

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Valve keeper for Audi/BMW/Opel 6mm stem Triple groove - Supertech
Valve keeper for Audi/BMW/Opel 6mm stem Triple groove - Supertech ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Supertech - Corporate Logo
T#:26704985
Part#: KPR-VW6-T
Ships in 8 Business Days
$ 1.99 USD
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$ 1.99 USD
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