RM Downpipe BMW Decat M47N2 C E87,E90,E91

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

18307798307

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

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

The downpipe is suitable for Euro 4 models with DPF.

BMW 3 Series 318d E90 1995 ccm, 90 KW, 122 PS 2005/01-2007/08
BMW 3 Series 320d E90 1995 ccm, 120 KW, 163 PS 2004/02-2011/12
BMW 3 Series Touring 318d E91 1995 ccm, 90 KW, 122 PS 2005/09-2012/06
BMW 3 Series Touring 320d E91 1995 ccm, 120 KW, 163 PS 2004/12-2012/06
BMW 3 Series 320d E90 1995 ccm, 110 KW, 150 PS 2005/09-2011/12
BMW 3 Series Touring 320d E91 1995 ccm, 110 KW, 150 PS 2004/12-2007/08
BMW 1 Series 120d E81 1995 ccm, 120 KW, 163 PS 2007/03-2011/12
BMW 1 Series 118d E87 1995 ccm, 90 KW, 122 PS 2004/06-2007/02

Pipe diameter - 63.5 mm

Central joint diameter - 61 mm (if your car has a 55 mm central joint diameter, choose a different downpipe by clicking HERE

Downpipe models

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

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

200CPI ECE - A model-specific product approved for road use. With 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 intact 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.