RM Downpipe BMW Decat M57/M57N E46

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 numbers

18307788006
18307786245
18307788607
18307789987
18307789988
18307789990

Note: The product in question may disable emission control devices such as DPF / EGR / Adblue. Removing or modifying emission control devices is an unauthorized procedure that may cause problems during periodic inspection.

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

BMW 3er 330d E46 2926 ccm, 135 KW, 184 PS 1999/10-2005/02
BMW 3er 330d E46 2993 ccm, 150 KW, 204 PS 2003/03-2005/02
BMW 3er 330xd E46 2993 ccm, 150 KW, 204 PS 2002/09-2004/12
BMW 3er Touring 330d E46 2926 ccm, 135 KW, 184 PS 1999/10-2005/02
BMW 3er Touring 330d E46 2993 ccm, 150 KW, 204 PS 2003/03-2005/02
BMW X3 3.0d E83 2993 ccm, 150 KW, 204 PS 2004/01-2005/08

Downpipe models

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

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

200CPI ECE - A product approved for road use specific to the model. With a 200CPI catalytic converter. Meets the emission test requirements for each model.

Why order from QT Parts?

Fast delivery - products often in stock

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

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

Uncertain about choosing the right product? Ask, our customer service will be happy to help.