Sports Series 4" High Flow Catted Downpipe for the B48 EU/Asia (4 Cylinder) Engine OPF:Non OPF or OPF Delete Over 350% larger capacity than

Over 350% larger capacity than the factory oil cooler

If we ran a 4" downpipe flange inlet so that we can use 4" tubing

The optional EGT sensor bung will come pre-installed with a plug so that you do not need to run the EGT sensor right away

While you do not see any adverse effects right away

Extremely stealthy

Sports Series 4" High Flow Catted Downpipe for the B48 EU/Asia (4 Cylinder) Engine OPF:Non OPF or OPF Delete Over 350% larger capacity thanIntroducing our new Sports Series 4" High Flow Metallic Catted Downpipes for your BMW B48 four cylinder turbo engine! Fits all 2016+ 120i 125i 230i 330i 430i 530i X3 30i X4 30i Z4 30i 20i. The B48 engine is found in the European and Asia spec cars. The downpipe is different than the B46 found in the U. S. spec cars. You must get the correct downpipe for your car as they are not interchangeable. Key Features: Made in the USA! Manufactured in house. Now