Company: Forge Motorsport

Blow Off Valve and Kit for Audi, VW, SEAT, and Skoda 1.2 TSI - Up to 2015

Product code: FMDV12VAG
£230.56 Inc. VAT £192.13 Exc. VAT (VAT will be added during the checkout process) Estimate Delivery

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Check your vehicle compatibility


More info Induction Kit for the SEAT Ibiza 1.2 TSi - Read More

Have A Question? Read Instructions? How to Service Your Valve

Prefer to talk over the phone? Call us +44 1452 380999


Product Description

We recommend servicing your valve every 3 years, or 20,000 miles, whichever comes sooner

Yet another first for Forge Motorsport! This valve kit allows the fitment of a fast response blow off valve on the 1.2 TSi engine ZBZA, CBZA, CBZB and CBZC as found in the Seat Ibiza, Toledo, Altea, Leon, the VW Polo, Caddy, New Beetle, Jetta, Touran, Golf, the Skoda Yeti, Fabia, Octavia, and the Audi A1 and A3 up to 2015.

As the engine does not have a diverter valve fitted as standard, this valve not only gives you an incredible loud sound when lifting off the throttle during gear changes, but will also improve the throttle response by reducing any lag, as it will help the turbocharger maintain its rotational speed ready for when you accelerate.

⭐ Sound is spot on, easy to install using only a few basic tools. Fantastic product from Forge. 5 stars any day ⭐


In The Box:
1 x FMDV12VAG Valve
1 x Vacuum Tap, Gasket and Screws
2 x M6 x 16 Socket Cap Screws
1 x Machined Aluminium Coupler
1 x Uprated Blue Spring
2 x Cable Ties
1 x Silicone Hose
2 x Hose Clamps
1 x Instructions
1 x Forge Sticker

Please note that this will ONLY fit the 1.2 engine with code CBZA and CBZB - NOT the later CJZA and CJZB.

If you are unsure if this product is suitable for your application, please contact us. 


Check your vehicle compatibility: Click here

Please Note: In line with our policy to constantly review, revise, and improve our product range, the appearance of the product you receive may differ from the one advertised.

Product Reviews

Product Reviews

from on Jun 16th 2021 Verified Purchase
Sound is spot on, easy to install using only a few basic tools. Fantastic product from Forge. 5 stars any day from on Jun 11th 2020 Verified Purchase
I was contacted by Forge letting me know the item was out of stock until the 1st week in July but after a couple of days The order was posted mid June and as this was for my son’s birthday on the 26th he will be happy thanks Forge for a excellent service. Many thanks mr holder
from on Jun 2nd 2018
Easy installation with straight-forward instructions!
Previously purchased induction kit for 1.2 tsi and with blow off valve sounds 100% better.
from on Sep 20th 2017
Great product! The Throttle feels a lot more responsive with this part so i can lay down the power straight away! Sounds amazing too would definitely recommend.
from on Jun 6th 2017
Was very easy to fit to car. Very pleased with product would rate it 10/10 and looks good in black :p
from on Jul 26th 2016 Verified Purchase
Great product. Good quality part. Easy step-by-step install.

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Compatible Vehicles

Click the triangles to find your car make and model. Note that the models listed here have either had the part fitted by us or a customer or they are listed as being compatible on industry parts databases. Where it has not been directly fitted by Forge there will then be a separate May Also Fit tab where the make and model will also appear and which details our no-risk approach to purchasing this product, so it is worth checking there as well.

If you need further assistance, please call us on +44 1452 380999 or email us.



Blow Off Valve and Kit for Audi, VW, SEAT, and Skoda 1.2 TSI - Up to 2015


Warranty Infomation

The majority of Forge Motorsport products come with a limited lifetime warranty (brakes pads excluded). All warranty claims must be accompanied by the original proof of purchase to enable us to help you. Failure to supply this proof will result in your claim or enquiry being denied.

For further information, please call our customer service team on +44(0)1452 380999 or email

Do not use aggressive (acidic) car cleaning products, particularly traffic film remover solutions or shampoos to clean your intercooler, radiator, or oil cooler. The use of these products can damage Forge Motorsport cooling systems and invalidate your warranty. These are often found at car washes. A light, warm, soapy solution (free of harsh acidic cleaning compounds) should be used to clean you cooler and thoroughly rinsed away. We recommend that you should inspect your product on a regular basis for bent and/or crushed fins. Any bent fins should be carefully straightened to allow ambient air to pass through the core face. At the time of installing your Forge radiator, an approved coolant must be used and added to the coolant system. Be sure you never mix coolant and always use distilled water.

This warranty does not apply to any defect in the goods arising from fair wear and tear, wilful damage, accident, negligence by you or any third party, use otherwise than as recommended by the supplier, failure to follow the supplier’s instructions, or any alteration or repair carried out without the supplier’s approval.



UK Mainland

Next day delivery applies to orders processed before 12 noon Monday to Friday, subject to stock availability and geographical restrictions. 'Next day' refers to next working day. We cannot guarantee next day delivery for orders placed after this time. Whilst we endeavour to honour our next day service, next day delivery cannot be guaranteed due to other extenuating circumstances. Full details

Delivery is free of charge for all orders £200 (ex VAT) or over. Products are sent by standard DPD service which is usually a next day service, but can take 2 days in transit. We reserve the right to ship smaller, lower value items via Royal Mail or any other service. (Not including Scottish Highlands, Scottish Isles, Northern Ireland, Guernsey, Jersey, and Isle of Man where charges will vary). 

Europe and Worldwide

Delivery service charges will vary depending on the quantity of product ordered, the related parcel size, and destination postcode. Live shipping rates will be calculated at checkout using ShippyPro and dependent on criteria, you will be given the option of DHL, DPD, or FedEx courier services.

Shipping into the EU - Duty Charge Information

All Forge products are sold with a Delivery Duty Unpaid (DDU) status and an import tariff may apply to your order. Customers will be contacted by the Customs and Excise authority in the destination country regarding payment prior to delivery, and it is important that correct contact telephone number and email information be submitted with the order to facilitate this part of the delivery process. Some couriers are charging an admin fee for shipping into the EU. 

If we detect at checkout that you are located within the European Union (EU), you are eligible for a contribution towards your import duty and tax payments. We can add an additional 20% on the total cost of your order, we will then pay the duty and tax costs above your contribution. This offer will ensure the price you pay at checkout is the total you pay, with no additional charges. It will also ensure you have the fastest possible delivery, with no delays. For more information, please see here

Our shipping methods ensure safe and timely delivery of your new Forge products. For further information on cost and delivery times, please contact Forge using the email address if you require any more information. We reserve the right to change the delivery service and company at any time.

Forge Motorsport ships via either UPS, FedEx, DHL (primarily for outside of UK), DPD (primarily for UK), or any other courier we chose. Other shipping options may be available for an additional fee over and above the actual shipping costs. Once a product has left our warehouse and is in the possession of the shipping company, any claims must be made directly with that shipper however we can assist with most cases.

FAQ's and other info can be found here.

Expert Answers

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Submitted questions may be published on the website.

will this fit my car? VW Polo Hatchback (6R1, 6C1) 1.2 TSI 90cv


Yes this product is compatible with your vehicle.

Will my car need a remap after install or is just plug and play.

This is just plug and play, all will be well 

Who have one of these kits just wondering what the updated blue spring does

The uprated spring is to be fitted to vehicles with increase boost pressures from Re mapped ECU.

Hi, I have a Seat Leon 1.2 TSI MK3 2017 and I was if this would fit my car? Thanks


Yes this product will fit your vehicle.

Hi I have this blow off valve and I was wondering if it would affect my vehicle negatively in any way if I swapped out the spring for the strider one in the kit even if I haven’t had the vehicle mapped or tuned in any way

Good morning , the valve will have no determent to the engine if the stronger spring is fitted, however for best performance we would recommend the spring fitted to the valve that it has been supplied with. 

Hi there, just double checking that the 1.2 tsi blow off valve kit will fit a 2011 mk2 leon 1.2 tsi., Many thanks

Hello, yes this product is compatible with your vehicle.

Hello team . I am trying to install the blow off valve kit, part number FMDV12VAG It's for my golf mk6 1.2 tsi . Just wanted to confirm if the valve already has a spring in it and the uprated spring that came with the kit is a spare one

The valve comes  assembled with  the correct spring installed for a standard car with no ECU tuning, the spare spring is uprated and is installed / swapped if you tune the car 

will this fit my car? seat leon mk3 5f?

Hello, thank you for your question, what year and engine size is your car?

Will this fit my car? Seat ibiza Mk4 6J 1.2 tsi hatchback 2014 reg. It does say it in compatible vehicles but I just wanted solid confirmation before I buy this... Had many things purchased, saying they fit my car, and turns out it doesn't. Cheers

Hello. We believe this valve is the correct one for your vehicle. However, please check the instructions here: to ensure it is applicable to your car. Alternatively, please send us a picture of your engine bay so we can confirm - to