Enjoy a commanding presence wherever you drive. The AutoTecknic Dry Carbon Competition Rear Diffuser makes this a reality at any moment. Crafted from the highest quality carbon fiber, dry carbon is an exceptionally durable yet ultra-lightweight material. To ensure a perfect fit, this part is engineered with precise plastic mounting points. By utilizing AutoTecknic’s autoclave technology, we have created a rear diffuser that boasts ultimate durability and fitment. If you are looking for a modification to transform your BMW, the AutoTecknic Dry Carbon Competition Rear Diffuser is the perfect choice.
Before You Order
○ Regarding Import Consumption Tax
At Shaft-ya, we cover the import consumption tax incurred during customs clearance, so you will not be charged any additional fees beyond the total amount paid at checkout.
○ Verification of Compatibility
Our entire product database is based on North American specification vehicles (USDM). Please confirm compatibility with Japanese specification vehicles (JDM) before placing your order. (If you are unsure whether a listed product fits your vehicle, please feel free to contact us. Our support team will be happy to assist you.)
If an order is placed without verifying compatibility, we cannot accept returns due to fitment issues.
Please note that even if products are sorted by selecting the year, manufacturer, and vehicle model using the tabs on our homepage, it does not necessarily guarantee that they will fit Japanese model vehicles without modification.
All product descriptions have been translated into Japanese using translation software. As there may be confusing expressions, please contact us if you have any questions before placing your order.
○ Regarding Shipping
Shipping costs are paid at the time of checkout. Shipping estimates are calculated automatically once you enter your delivery address on the checkout page. For large items such as body parts, there may occasionally be a significant discrepancy between the automatically calculated shipping cost and the actual cost. In such cases, we will contact you individually via email.
All products are generally shipped internationally from our U.S. warehouse. Unlike domestic shipping within Japan, international delivery typically takes 7 to 14 days, so please allow ample time when ordering. If you are in a hurry, please contact us in advance to confirm delivery times. Note that all items are transported via air freight; they are not shipped via sea freight.
○ Regarding Japanese Vehicle Inspection (Shaken) Compatibility
All products we handle are fundamentally designed and manufactured outside of Japan. Please understand that they are not compliant with the "Japanese Vehicle Inspection System," and we are unable to provide strength study documents or similar certification for this purpose. Therefore, all parts are sold for "circuit, private property, or off-road use only," and installation and use are at your own risk.
○ Regarding Warranty
Please check the contents of your order immediately upon arrival. As all items are shipped internationally from outside Japan, there is a possibility of damage to the packaging or the product during transit. Please understand that we will only provide returns, refunds, or exchanges for products with shipping damage, defects, or incorrect items if notified within 7 days of receipt. Additionally, all warranty-related support for products sold through our company will be handled "exclusively through us." Please be aware that we do not provide support through other companies or distributors located in Japan.