V3 S85 Headers
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Long tube design.
The V3 saw revisions that created an unequal length design.
F1 style collectors
The collectors were updated with inserts for bolts for a reliable seal.
Fits with OE sensors
Bungs for pre-cat, post-cat and temperature sensors were cut, fitted and welded to the headers.
TIG welded 304 stainless steel
They are TIG welded and made from 304 Stainless Steel.
Build Journal: Special Series
The zenith of BMW M NA engines was still restricted.
The S85 exhaust system development was heavily influence by the BMW Motorsport F1 program.
The S85 marked the first development of equal length headers to a BMW M engine in a V configuration, a vast departure from the log style manifold on the S62 in the E39 M5.
Yet, BMW M still compromised and created an opportunity to uncork significant power gains.
In this Product Series, I document the development, unboxing and installation of the InfinityDesign Long Tube S85 V3 headers.
Enjoy,
- Matt
