RM Downpipe BMW Decat N57X M550D F10,F11,F01,F02

QT Parts is a Finnish online store.

Our warehouse is located in Nokia, Finland.

You can collect your order directly from us if needed. Simply select “Pickup” at checkout.

Pay securely with multiple payment methods, including invoice and installment plans through Klarna.

The delivery time for products in stock is 1-5 business days. We ship worldwide.

If the product is not in stock and it is a pre order product, the average delivery time is 5-21 business days. If the product has a longer delivery time than previously announced, we will be in touch. International orders may be subject to VAT, import duties, and customs fees upon arrival in the destination country.

Terms for product returns:

• You must return the ordered products within 14 days of receiving
• The products must be unused and without damages
• Commission fee for handling returns is 21,90€
• For product returns, the customer is in charge of the return costs. Only door to door service (Express)
• Shipping costs are not refunded

For international orders sales are final and non-refundable. Once an order is placed, it cannot be canceled or returned. By placing an order, you acknowledge and agree to these terms.

Return address: QT Parts, Vasarakatu 8B, 37150 Nokia, Finland.

Pre order / made-to-order products

If the product you have ordered is a pre order or made-to-order item, it is not subject to the 14-day right of withdrawal or return under consumer protection laws, as the product is manufactured or sourced specifically based on the customer’s individual order.

If you wish to cancel your order before receiving the product, we will refund 50% of the total order amount.

This condition applies to the following product categories:

• Suspension
• Engine Tuning
• Engine Parts
• Exhaust Systems
• Fueling
• Turbochargers/superchargers
• Drivetrain
• ECE-approved Downpipes

All of the above products are manufactured or sourced individually based on the customer’s order, and therefore cannot be returned after delivery, unless the product has a manufacturing or material defect.

In the event of such a defect, the standard liability for defects as provided by consumer protection legislation shall apply.

Replaces the following BMW OEM part number

18308516696

Note: This product may disable emission control devices, such as DPF / EGR / Adblue. The removal or modification of emission control devices is an unauthorized procedure that may cause issues during periodic inspections.

*This product is not ECE approved. For racing use only.

BMW 7 Series 750d xDrive F01, F02, F03, F04 2993 ccm, 280 KW, 381 PS 2012/07-2015/12

BMW 5 Series Touring M 550d xDrive F11 2993 ccm, 280 KW, 381 PS 2010/10-2016/12

BMW 5 Series M 550d xDrive F10 2993 ccm, 280 KW, 381 PS 2011/07-2016/10

Downpipe models

DECAT / RACE - So-called straight-through model, without catalytic converter / DPF. Produces the strongest exhaust sound. Not approved for road use. For racing use only.

200CPI - Recommended model. Equipped with a proper metallic catalytic converter. Filtration capacity is sufficient to meet emission test requirements in most cars. 200CPI removes most exhaust odors. Check road legality according to your car's emission class.

200CPI ECE - Model-specific road-legal product. With 200CPI catalytic converter. Meets the emission test requirements for each model.

Why order from QT Parts?

Fast delivery - products are often in stock

Secure purchase - We guarantee that you receive an undamaged and correct product

Technical support - We provide you with necessary installation tips and help in choosing the right product

Unsure about choosing the right product? Ask us, our customer service is happy to help.