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Real experience
We test before we recommend.
PRODUCT DESCRIPTION
The JRspec catalytic converter is a high-quality, precision-engineered exhaust system component that effectively reduces harmful gas emissions and restores optimal vehicle performance. Designed for drivers who value reliability and performance, it is a durable and safe alternative to factory-installed catalytic converters. Thanks to the exact reproduction of original specifications, it fits perfectly in place of the OEM part without modifications, ensuring full compatibility and easy installation.
Key Features & Benefits: • High Quality and CNC Precision: CNC machined components ensure excellent dimensional accuracy and repeatability, resulting in a perfect fit and extended durability.
• Effective Emission Reduction: The catalytic core effectively neutralizes nitrogen oxides (NOx), hydrocarbons (HC), and carbon monoxide (CO), helping to protect the environment and meet emission standards.
• Optimal Exhaust Flow: The catalyst design allows for free flow of exhaust gases, promoting smooth and efficient engine operation without power loss.
• Full Compatibility with OEM Mounts: The product installs directly into the original catalytic converter's position without modifications. Plug & Play installation.
• Restores exhaust system efficiency. Replaces a worn or damaged catalytic converter, restoring proper engine parameters and exhaust gas purification performance.
Manufacturer:
JRspec
OE Reference Numbers:
BMW 18407525455, BMW 18407570338
Compatibility:
BMW
1 (E81) 116 i 2004 - 2011, 1 (E87) 118 i 2004 - 2007, 3 (E90) 316 i 2005 - 2011, 3 (E90) 318 i 2005 - 2007, 3 Touring (E91) 318 i 2006 - 2007
Warranty: All JRspec replacement catalytic converters come with a 12-month unlimited mileage warranty, valid from the date of purchase.










WHY THETUNERLAB
We have spent years building cars, racing, and testing the exact same parts that we sell.
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We test before we recommend.
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We help you choose the right part.
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Only trusted manufacturers.
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Before and after the purchase.
+10 years
of passion for drifting
+30.000
available products
+5.000
satisfied customers
24/7
passion for motoring
Each product indicates compatible models in the product description. If you have any questions, you can contact us and we will help you choose your best option.
-If the product is in stock, the usual delivery time is 2 to 5 working days.
-If the product is out of stock, the delivery time is 7 to 15 working days.
All our products come with the manufacturer's official warranty and comply with current regulations.
Yes. We ship orders to Spain and most European countries using specialized transport agencies.
You can contact our team via WhatsApp, email, or our website's contact form.
Shipping costs depend on the type of product, its weight, dimensions, and the destination country. In most cases, the amount is calculated automatically during the checkout process before the order is finalized.
For some products, especially large items or those with special characteristics, shipping costs may require a manual review. If the amount shown does not match the actual shipping cost, we will contact you before processing the order to inform you of the final cost and request your confirmation before proceeding. We will never charge any additional fees without your authorization.