They are known to fail, degrade and disintegrate as well as they cause serious problems and damages on your vehicle’s engine. Here are some of the biggest problems that swirl flaps are causing: Mechanical failure. Some early model vehicles, especially BMW’s were fitted with swirl flaps that became brittle and could easily fracture over time. Not necessarily. A mild remap with a 10 to 15% power increase shouldn't be a problem, especially if you don't rag the arse off it all the time. My car had such a remap about 50000 miles ago and has been fine. If you want more MPG though you'll be disappointed. Better to just re-educate your right foot. Here's an example of a f30 320d 163bhp efficiency dynamics with my tuning on a standard car with the same ecu. Both the 163bhp 320ed and the 320d 184bhp will see 225bhp 350ft (474nm) Without any soldering to the ecu and I open these ecu everyday. BW chiptune. Tuning BMWs since 1991. Also decided on getting a remap in a few months but now investigating best place to get done as heard a lot of nightmare stories mixed reviews from places. Don't mind paying a little more for piece of mind. Somewhere near Berkshire ideally. Oh yeah, also want to add an M performance kit to my car. Had one on my 330 which looked great. 1 day ago · Description. GotTuned`s B47D20 Upgraded Turbochargers are built using aluminum Custom Compressor Billet Wheels and ceramic ball bearings.These are based on the stock genuine Garrett GTD1752VRK turbochargers and deliver the ultimate Plug&Play solution for BMW 120D F20, 220D F22, 320D F30, 420D F32, 518D F10, 520D F10, 520D G30, X3 20 d F25, X3 20 d G01, X4 20 d F26 with 2.0d engine 150-190HP. So my car is a 59 plate LCI 320D with 105k on it, has full BMW History with 8 stamps so it's a decent car. I've had a quote for DPF to be removed, gutted and refitted, along with a remap. He estimates a minimum of 232BHP and an increase of 60NM torque which sounds good to me. This costs £550 all in. I already have a stainless steel exhaust too. The end result; Standard car - 310bhp 499lb-ft. Unicorn stage 1 - 363bhp 575lb-ft. Delta of 53hp and 76lb-ft. The map completely transformed the car, pic up in any gear especially from low down is insane the pull makes me tense my stomach as I know whats coming. The tourqe is amazing I can't help but laugh uncontrollably every time i plant it. For your BMW 320d F30/F31 LCI 190hp. With an ECU remap, also known as “chip tuning” or “reflash”, the original ECU of the car will be recalibrated on several different engine parameters for more performance. Options like speed limiter removal and start/stop deactivation are available. Please note that an ECU remap will void the factory One problem i have is if im flooring it - say up a m'way slip road and the auto box is changing up the gears (or if i do it in tiptronic) it changes smootly and quickly up until 4th and 5th where the change takes noticibly longer, (maybe three times longer), long enough for the rev needle to drop back down to about the 2,000 area. BMW 320d E90 135kw. Watch Video. BMW 320d F30 135kw. Tuning Method: ECU Remapping - Software Upgrade. Watch Video. BMW 330d F30 190kw ECU Remapping or also EQPKl.