Evolve LHD 4-1 Stepped Medusa Manifolds - BMW E39 M5 M240i To be installed as a

To be installed as a kit with 980902 or 980912 and 985906 or Rear exhaust "Racing"

but each spoke has a smooth detailed chamfer to add detail

performance or sound issue

while also adding a unique character line to the rear spoiler not found in BMW’s own Performance boot spoiler

Elimination of troublesome MAF's

Evolve LHD 4-1 Stepped Medusa Manifolds - BMW E39 M5 M240i To be installed as aFOR LEFT HAND DRIVE CARS ONLY The largest major restriction point of the E39 M5 S62 V8 engine is the exhaust manifolds headers. Changing the exhaust system without changing the headers gives no gain in power. In fact, changing the header back system gives little if any power gain! The factory items are very poorly designed and looking at them it is clear funds were saved in the department. No other M Power car has ever had headers as poorly designed