Nearly all present day turbo BMW’s pushing the envelop of horsepower are operating JB4 piggyback tunes coupled with back-conclude flashes. A case may be built that the BMW M30 may be the engine that truly sealed in BMW’s unparalleled status for making trustworthy,… We’ll contact on horsepower gains through this https://bmw-ecu67890.mybuzzblog.com/9534888/bmw-ecu-isn-for-dummies