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When is the right time?
Before you consider upgrading the turbos.
If you have a procede tuning device fitted by birds then you should get the Vishnu Meth kit to use in conjunction with it. If not you'll need a piggyback device to control the flow.
Pro's:
Chemical intercooler
Boosts octane
Allows you to run more boost safely (and reduces the likelyhoold of knock events)
Steam cleans the engine (including intake valves)
Meth is very cheap (I bought 100 litres for £30 - will last years!)
Cons:
Fire hazard (get a tank in the boot and decent lines/fittings)
Insurance impact
thats about it..
Best supplier - DIY (so you can problem solve the problems) alternatively Devils Own UK distributor.
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Car: e91 330d with Viezu map
Gone but not forgotten: 2010 Jaguar XFR (Cat-back exhaust, pulley, intake mods and map), Highly Modified E90 335i LCI M Sport Manual (circa 480BHP/500lb ft)
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