BMW Gets Final Tuning 1991 BMW 318is •
We had our supercharged BMW 318is at Balanced Performance right before our event at the Mitty. Our new fuel pump, pressure regulator and 30 lb.-hour injectors cured the lean conditions that we were seeing at higher RPM. The final score was 196 horsepower and 162 lb.-ft of torque, after some work with the fuel pressure. We settled on 32 psi of fuel pressure, as this gave the best power and idle.
The car is running great now and since the bidding did not meet our reasonable reserve at the Auction at the Mitty, we’ve decided to hold onto the car for a while and enjoy it.
Look for our final installment of this project car in the August 2007 issue of Grassroots Motorsports
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