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11-08-2002, 05:53 PM
I'm hoping to install a Cartech Turbo with Air/Water Intercooler on a '88 535is with plans of running between 10 and 15 psi boost (until it grenades). ;)

I have seen and heard various opinions as to whether I'll need to spend $$$ on an aftermarket, e.g., Electromotive fuel and ignition control. Any chipped Motronics without piggybacked fuel or ign. on Turboed M30's out there?

Any thoughts or suggestions will be greatly appreciated.



'88 535is
'87 535isa
'85 535i Parts Carcass

11-10-2002, 01:50 PM

I own a 735i Dinan Stage 2 Turbo. I am using the Dinan Turbotronics 5 piggybacked to the stock ECU. This adds the much needed knock sensor and other safety features for more reliability. I have had good luck with the whole setup. I have 50K hard miles from the rebuild/conversion and not a sign of slowing down. It runs 12.5psi of boost and generates 405hp/435lbft with only the pistons replaced by forged ones to bring compression down to 8:1, other than that rods and cranks are stock.


11-11-2002, 01:26 PM

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