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Real experience
We test before we recommend.
PRODUCT DESCRIPTION
3D CNC machined stainless steel exhaust flange for BMW M50, M52 and M54 - 48.3 mm
100% CNC machined - perfect fit
Made of high quality 304 stainless steel
Flange thickness: 12 mm base flange + 10 mm round section on base flange
A must-have for turbo conversion of a custom exhaust manifold
Available in two options (OEM oval outlet surface = ~1019 mm²)
For 42.4 x 3.2 inch outlet pipes (surface ~1029 mm² = OEM + ~1% more flow) - FTWL_M5XSSFLG424
For 48.3 x 3.2 inch outlet pipes (surface ~1379 mm² = OEM + ~35% more flow) - FTWL_M5XSSFLG483
Excellent choice for turbocharged drift/drag vehicles. cars, etc.
Much higher tensile strength than a conventional laser-cut flat flange.










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.