COBB or JB4 G5 ISO, beaten to death

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		BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i) > Technical / Specific Topics > 135i Turbo Engine (N54 / N55), Exhaust and Drivetrain Modifications
COBB or JB4 G5 ISO, beaten to death

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11-19-2014, 08:42 AM

#23

gemini.m3

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Quote:

Originally Posted by potxoli

So if you order from Cobb and it is "not supported", do they take the unit back for full refund? I've been on the fence about JB4 vs COBB for a while and while I would rather get COBB due to convenience, but I'm afraid to be left hanging with an expensive paperweight if it does not work.

Same boat here. Apparently neither one of them is perfect for the N55 platform right now. DCT issues with JB4.. I was reading about boost issues inbetween shifts with the Cobb

/sigh

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