BMW M60B40 404 ECU 7 Speed Shop Circuit Special Performance chip E34 E32 6 speed
BMW E34 E32 M60B40 w/ 404 ECU 7 Speed Shop Circuit Special Performance chip. This is a new tune that has been thoroughly tested on our personal M60 powered 7 series. Most complete tune on the market with the largest HP and torque gains. Removes all rev hang issue on manual converted cars, completely revised fueling and ignition tables.
93-94 M60 4.0l without EWS-II, MANUAL transmission with OEM or lightweight flywheel
91-93 octane required
Top speed limiter removed
6900 RPM limiter
+28 Horsepower and +25 ft-lbs of torque, bringing the M60B40 to about 310hp
We now have option for complete 404 dme with our chip pre-installed. Making the total install time under 15min.
Offroad and track use only