BMW 5-Series Forum (G30) - View Single Post - Piggyback vs ECU flash if both produce 600hp

Dutt1113 · 01-25-2020, 08:39 AM

What is the point of an ecu flash if a good piggyback like JB4 or expensive Dinan (warranty) if both produce 600hp at the crank? The piggyback will be removable and won't void your warranty.

01-25-2020, 08:39 AM	#1
Dutt1113 Lieutenant 171 Rep 598 Posts Drives: 2018 M550i xdrive Join Date: Feb 2010 Location: Michigan iTrader: (3)	Piggyback vs ECU flash if both produce 600hp What is the point of an ecu flash if a good piggyback like JB4 or expensive Dinan (warranty) if both produce 600hp at the crank? The piggyback will be removable and won't void your warranty. __________________
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