PSM Style Rear Diffuser | Prepreg 4 Piece with Undertray for BMW F8X M3 M4
- Unit price
- /per
If you are looking for a premium grade piece, this is it. Our dry carbon fiber products are of highest quality in the weave and finish.
*For the wet carbon fiber version of this style (not eligible for presale discount), please contact our team at info@vescaa.com
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This is a four piece rear diffuser. The style extends across the lower section, wrapping around the sides.
Composition Type:
• Dry carbon fiber: Highest quality carbon fiber made using prepreg manufacturing. It is lightweight and has an exceptional finish with consistent weave patterns.
• Wet carbon fiber option (please contact us): Made using quality carbon fiber sheets and resistant coating that seals the carbon composite material.
Our wet carbon does not include rigid ABS plastic. It is instead built with a lighter reinforcement polymer. The result is heavier than the Prepreg version.
This item is produced per order. Please anticipate a production lead time of 25 days. -
Fits :
- BMW M3 (2015-2018) · F80 Chassis
- BMW M3 Competition (2016-2018) · F80 Chassis
- BMW M3 CS (2018) · F80 Chassis
- BMW M4 (2015-2020) · F82 Chassis
- BMW M4 CS (2016-2020) · F82 Chassis
- BMW M4 Convertible (2015-2020) · F83 Chassis
For any questions regarding fitment, please contact our team at info@vescaa.com
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Includes:
• 4-piece diffuser (includes undertray) with pre-drilled holes
• Finishing screws -
Equipment needed for this installation:
- Jack with jack stand or equivalent method
- Ratchet
- Socket set
- U Clip Screws Speed Nuts
- Drill with twist drill bit
- Small finishing screws
- 3M adhesive double-sided tape
- Isopropyl alcohol or other equivalent safe alcohol-based solution
- Microfiber towel
1. Remove all screws and bolts from under the bumper. Make sure to also remove the bolts aligned with the undertray mounting points. This will have to be completed before step 4.
2. Carefully detach and remove the factory diffuser from your vehicle.
3. Insert the rear diffuser piece (from the 4 piece set) into place, ensuring it is properly positioned and the top clips are clipped in.
Secure it with your OEM hardware.
4. First, dry fit the undertray panel and make sure all the bolts that align with the mounting points were removed (if applicable).
5. Install U Clip screws on the OEM plastic tray under the car where the mounting points align.
6. Align the undertray and place a soft-surfaced object underneath to support the panel for the rest of the installation.
7. Install the screws connecting the undertray to the U Clips on the plastic tray under the car.
8. Drill small holes where the undertray mounts on the rear diffuser (recessed area on the rear diffuser).
This is the only place where you will need to drill holes. Use the existing holes on the undertray to guide
you.
9. Using the small screws provided, attach the undertray to the rear diffuser.
10. Tighten all screws, making sure the undertray is properly fastened.
11. Install double sided tape on the long edge of the splitters. Remove the tape protector film and attach the side rear splitters in place.
12. Secure with long screws.
You’re all done. Enjoy the nice view and the new look!If you'd like to be featured on our website or social media pages, or if you'd simply like to give us feedback, please email us at info@vescaa.com
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Yes, I am located in Canada.
Vescaa is proudly based in Canada, too. That means you will have no unexpected import charges when you shop for Vescaa branded items.
*Only applicable if you are shipping to a Canadian address.
Can I schedule a pickup?
If you are located in Montreal or the surrounding areas, please email us at info@vescaa.com, and we can arrange a pickup or local delivery for your convenience.
This is a four piece rear diffuser. The style extends across the lower section, wrapping around the sides.
Composition Type:
• Dry carbon fiber: Highest quality carbon fiber made using prepreg manufacturing. It is lightweight and has an exceptional finish with consistent weave patterns.
• Wet carbon fiber option (please contact us): Made using quality carbon fiber sheets and resistant coating that seals the carbon composite material.
Our wet carbon does not include rigid ABS plastic. It is instead built with a lighter reinforcement polymer. The result is heavier than the Prepreg version.
This item is produced per order. Please anticipate a production lead time of 25 days.
Fits :
- BMW M3 (2015-2018) · F80 Chassis
- BMW M3 Competition (2016-2018) · F80 Chassis
- BMW M3 CS (2018) · F80 Chassis
- BMW M4 (2015-2020) · F82 Chassis
- BMW M4 CS (2016-2020) · F82 Chassis
- BMW M4 Convertible (2015-2020) · F83 Chassis
For any questions regarding fitment, please contact our team at info@vescaa.com
Includes:
• 4-piece diffuser (includes undertray) with pre-drilled holes
• Finishing screws
Equipment needed for this installation:
- Jack with jack stand or equivalent method
- Ratchet
- Socket set
- U Clip Screws Speed Nuts
- Drill with twist drill bit
- Small finishing screws
- 3M adhesive double-sided tape
- Isopropyl alcohol or other equivalent safe alcohol-based solution
- Microfiber towel
1. Remove all screws and bolts from under the bumper. Make sure to also remove the bolts aligned with the undertray mounting points. This will have to be completed before step 4.
2. Carefully detach and remove the factory diffuser from your vehicle.
3. Insert the rear diffuser piece (from the 4 piece set) into place, ensuring it is properly positioned and the top clips are clipped in.
Secure it with your OEM hardware.
4. First, dry fit the undertray panel and make sure all the bolts that align with the mounting points were removed (if applicable).
5. Install U Clip screws on the OEM plastic tray under the car where the mounting points align.
6. Align the undertray and place a soft-surfaced object underneath to support the panel for the rest of the installation.
7. Install the screws connecting the undertray to the U Clips on the plastic tray under the car.
8. Drill small holes where the undertray mounts on the rear diffuser (recessed area on the rear diffuser).
This is the only place where you will need to drill holes. Use the existing holes on the undertray to guide
you.
9. Using the small screws provided, attach the undertray to the rear diffuser.
10. Tighten all screws, making sure the undertray is properly fastened.
11. Install double sided tape on the long edge of the splitters. Remove the tape protector film and attach the side rear splitters in place.
12. Secure with long screws.
You’re all done. Enjoy the nice view and the new look!
If you'd like to be featured on our website or social media pages, or if you'd simply like to give us feedback, please email us at info@vescaa.com
Yes, I am located in Canada.
Vescaa is proudly based in Canada, too. That means you will have no unexpected import charges when you shop for Vescaa branded items.
*Only applicable if you are shipping to a Canadian address.
Can I schedule a pickup?
If you are located in Montreal or the surrounding areas, please email us at info@vescaa.com, and we can arrange a pickup or local delivery for your convenience.
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