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Downpipe set + Midpipe Kit for BMW M3 Competition (G80, G81), M4 (G82 / G83) 3.0 S58
This kit includes:
Downpipe Midpipe connector Midpipe
You can choose:
Downpipe with or without thermal insulation
Midpipe with or without resonator
OEM Downpipe Numbers for BMW M3 Competition (G80, G81), M4 (G82 / G83) 3.0 S58:
18328468987 / 18 32 8 468 987
18328468988 / 18 32 8 468 988
18329501471 / 18 32 9 501 471
18329501472 / 18 32 9 501 472
Compatible with the following rear-wheel drive and xDrive (AWD) models equipped with the S58 engine:
– BMW M3 / M4 (engine code: S58O ) – BMW M3 / M4 Competition (engine code: S58T ) – BMW M3 / M4 Competition xDrive (engine code: S58T ) – BMW M3 CS (engine code: S58T ) – BMW M3 Competition Touring (engine code: S58T ) – BMW M4 CSL (engine code: S58T )
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The downpipe is made entirely of high-grade stainless steel (T304, X5CrNi18-10, 1.4301, AISI 304, 0H18N9). All components are CNC machined for precision and durability. Covered by a 24-month manufacturer warranty .







