By submitting any order, the customer accepts the terms and conditions in accordance with Articles 197 and following of the Code of Obligations.


Charges are based on weight (DPD - BRT - EuroExpress) or on the volume (Fedex) so the customer always knows the final shipping costs.
The online shop calculates shipping costs automatically.
Delivery includes insurance cover.

Upon receiving a parcel, we strongly encourage customers to check the goods before signing for in perfect condition. If the customer has signed for a parcel in perfect condition, but goods inside are damaged, we cannot accept liability for damaged parts.
Checking the state of parts remains the customer's responsibility: damaged parcels must be marked when accepting delivery.


Purchasing Terms & Conditions

M4 Tuning endeavor to hold most items in stock. When an order is placed online, but the item is out of stock, M4 Tuning do the best to deliver it as soon as possible on the base of the delivery times of the suppliers.
The customer is free to contact the customer service to check availability of an item before order.


The Customer will see the final price of every item after the login.

All prices are final prices (delivery excluded).
Sometimes delivery cost could be free (special offers).

To Order
To place an order using the online store the customer must select the products, add them into the cart and follow the checkout instructions.

The payment service will then process the order.
For questions, the customer is free to contact the customer service and speak to one of our team members who will be able to assist him in any enquiries or orders. 

Payment Methods 

Payment can be made by:

Credit/Debit Card (Paypal)
Credit/Debit Card (Aduno - Postfinance)
Wire Transfer


Refund Policy

The right of withdrawal is valid no later than 10 days from receipt of products and we do not accept used or tested products.

The right of withdrawal is applied only if the product does not reflect the description on the website and the product must be returned including the original packaging.

In case of refund, M4 Tuning reserves the right to retain the 20% of the order value to cover the management costs.

All products purchased through our site are covered by the warranty offered by the manufacturer.

Defective products will be immediately replaced with new products.

All this of course completely free of charge.


M4 Tuning online shops uses a secure server to protect the details you give us when ordering online.



M4 Tuning is committed to protect Customer privacy and maintaining the security of any personal information received. M4 Tuning use customers personal information for payment, billing, delivery and email update messages.
M4 Tuning do not sell, rent or exchange customers personal information with any third party for commercial reasons.
M4 Tuning follow strict security procedures in the storage and disclosure of informations to prevent unauthorized access in accordance with the CH data protection legislation.
M4 Tuning use a technology called "cookies" as part of a normal business procedure to track patterns of behavior of visitors to our site. A cookie is an element of data that our Website sends to customer browser and is then stored on customer system. Customer can set up the browser to prevent this happening. Any information collected in this way can be used to identify the customer unless browser settings are changed. In order to process credit/debit card transactions, the bank or card processing agency may require M4 Tuning to verify customer personal details.

For all other informations, customer is free to contact us.



Due to the nature of cars, motorbikes and engine tuning, we are not responsible for any damage caused to cars/motorbikes/person by such modifications, misuse, racing and/or incorrect fitting of products by the customer (i.e. not fitted by M4 Tuning Sagl). M4 Tuning work does not carry a warranty, either stated or implied. Individual parts are subject to manufacturers warranty, and are treated on an individual basis.



All written material, product descriptions, M4 Tuning product photos and the M4 Tuning logo are all copyright of M4 Tuning Sagl.
Use without permission will result in legal action.

The court of Lugano (CH) shall have exclusive jurisdiction over any disputes relating to the terms and conditions mentioned above.

Identification of the Seller:

M4 Tuning Sagl
Via Serafino Balestra 10
6900 - Lugano
CHE-451.698.878 IVA

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