Supertech B58 6 mm Intake Integral Valve Stem Seal for BMW and Toyota GR Supra
Keep your BMW B58 and Toyota GR Supra B58 engine sealed, clean and reliable with the Supertech 6 mm Intake Integral Valve Stem Seal, part number VSI-BM60-E. This genuine Supertech intake valve stem oil seal is engineered for high performance B58 applications and precision sealing on the intake side. Ideal for fast-road builds, tuned daily drivers and track cars, this B58 intake valve seal helps maintain oil control under boost and high rpm while supporting long-term reliability.
At Nforcd we trust Supertech valvetrain components on our own builds and our customers have been delighted with the fit, finish and consistent performance. If you are refreshing a cylinder head, upgrading cams, or chasing oil consumption and smoke on start-up, a quality B58 valve stem seal is a must-have part of any proper rebuild.
Why choose this Supertech B58 intake valve stem seal
- Direct-fit 6 mm intake integral valve stem seal for BMW and Toyota B58 engines
- Helps reduce oil consumption and intake valve deposits by improving valve guide sealing
- Built to meet or exceed stringent industry standards for performance valvetrain parts
- Proven reliability for tuned and standard B58 engines including M340i, 540i, Z4 M40i and A90 GR Supra
- Supertech quality and precision for road, track and high-boost applications
SEO and search-friendly fitment keywords
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What’s included
1 x Supertech Intake Integral Valve Stem Seal
Sold individually. Please order the quantity required for your cylinder head.
Compatibility
For BMW and Toyota models equipped with the B58 engine:
- 1-Series F20 F21 M140i(x) B58 (2016-2019)
- 2-Series F22 F23 M240i(x) B58 (2017-2020)
- 3-Series F30 F31 F34 340i(x) B58 (2016-2017)
- 3-Series G20 G21 M340i(x) B58 (2017+)
- 4-Series F32 F33 F36 440i(x) B58 (2016-2017)
- 4-Series G22 G23 M440i(x) B58 (2017+)
- 5-Series G30 G31 540i(x) B58 (2017-2020)
- 6-Series G32 640i(x) B58 (2017-2019)
- 7-Series G11 G12 540i(x) B58 (2016-2020)
- 8-Series G14 G15 G16 840i(x) B58 (2020)
- X3 Series X3 M40ix B58 (2017-2020)
- X4 Series X4 M40ix B58 (2018-2020)
- X5 G05 X5 40i(x) B58 (2018-2020)
- X6 G06 X6 40i(x) B58 (2019-2020)
- X7 G07 X7 40ix B58 (2019-2020)
- Z4 Series G29 Z4 M40i B58 (2017-2020)
- Toyota A90 GR Supra B58 (2020)
Common search terms: BMW B58 intake valve seal M340i 540i 840i, BMW Z4 M40i valve stem seal, Toyota Supra A90 valve stem oil seal, G20 G21 G30 G29 B58 valve seals.
Part number
VSI-BM60-E
Fitting and support
Professional installation is recommended for all valvetrain components. For fitting or a supplied-and-fitted quote, contact Nforcd in Warwickshire. Email Sales@nforcd.com and our team will be happy to help.
Manufacturer
Supertech