In addition to this we also recommend that you change your oil and filter at half the manufacturer recommended intervals in order to maintain a healthy engine. Your vehicle is equipped with Condition Based Servicing (CBS) which keeps track of all main service items on the iDrive computer. It does not affect reliability as long as you maintain your vehicle by following the recommended service schedules. ECU: IMPROVED: BMW DCT gearbox control: Change of behavior to try to keep the current gear engaged, where some customer experienced disengage of. ECU: NEW: BMW DCT gearbox control: New and updated DCT Realtime Data values. Driving becomes much more relaxed as you are able to maintain low engine revs under normal driving conditions. BMW DCT gearbox control: Adjusted torque calculation model during downshift, to try to easy up the downshift tuning. This is largely due to the huge amount of extra torque that is now available in the lower rev range which means that you don’t need to rev your engine as much to pick up speed.
It may be hard to believe, but fuel economy is actually improved under normal driving conditions. Stage 2 and Stage 3 unleash even more power by utilising the highest quality hardware upgrades while also increasing engine and turbo charger longevity. The result is a smooth and linear power delivery, retaining the original BMW feel, but a lot more power all over the rev range. We achieve this by reprogramming the DME (Digital Motor Electronics) with a performance map that was developed through years of research and extensive dyno testing.
With the ECU tune we generally see anything upto 425-430bhp on a stock. At BM Specialists we can increase the performance of your 123d by keeping within the safe limits and tolerances of all driveline components. Evolve Tune And Evolve-R - BMW E90 E92 E93 M3. This means the engine should not be overly stressed when producing peak power. It’s all about making healthy horsepower. We can extract tremendous power from this compact diesel engine without actually stressing the components. This layout adopts a smaller turbo charge for low rpm boost and a secondary larger turbo charger which takes over seamlessly at higher rpm’s to provide top end torque and horsepower.
The 123d 2.0l 4cyl diesel engine is equipped with the same sequential twin turbo technology as the 535d (M57 engine).
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