I have an '89 325i m20b25 and I'm planning on putting a turbo on it. I need advice on what turbo to use and tuning options such as ECU's and etc. Any advice would be much obliged. Thanks!
how much money you got? for real.
Purchase a plug and play ecu.
install and tune.
upgrade injectors, retune
gather, install turbo parts.
retune.
any where from $1,800 to 10k for an m20 turbo build. depending on your skill level
Capital Driving Club Car # 102
How to turbo your car:
Step one. Install ecu and learn to tune and or have it tuned.
Step two. Install injectors and retune.
Step three. Install turbo parts and bits. get it running with out leaks. DO NOT DRIVE IT. Idling should be ok
Step four. Retune car
Step five enjoy
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