BMW E34M5 S38 B36 Dyno 1

Intake camshaft upgrade with custom cam timing rest of the engine is all bone stock including the OEM exhaust system.
Engine made 284rwhp on a Mustang Dyno.
www.EuroClassicMotors.com
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[@stijanjija2225]

What about onw that made 342whp? What is ecu was that on, original or standalone