M40i Downpipes and Tune XBimmers BMW X3 Forum BMW X3/X4 Forums (2018 - 2024) BMW X3 (G01) / X4 (G02) Forum M40i Downpipes and Tune. Subscribed 241 21K views 2 years ago MRM Performance Downpipe: https://mrmperformance.com?sca_ref=36 more. This VRSF downpipe upgrade for the B58 X3 M40i & X4 M40i offers 15-20+whp gains and tons of other performance benefits.
BMW B58 downpipe. The downpipe carries exhaust gas from the hot side of your turbo to the rest of the exhaust system. Replace a faulty catted downpipe with an OEM downpipe or upgrade for more performance with our selection of aftermarket performance downpipe options.
Please note that the warranty on the catted downpipe is limited to two years. VRSF 4.5″ BMW X3 M40iX G01 & X4 M40iX G02 B58 Stainless Steel Downpipe Made from hand crafted, tig welded 4.5″ 304 grade stainless steel. Available with a 200 cell high flow cat.
Fits RHD and LHD models with no modification necessary. Combine that with a proper Stage 1 or Stage 2 tune, and your X3 M40i can easily push performance levels comparable to far more expensive M models. And yes, the sound is part of the magic.
The exhaust note becomes deeper, fuller, and more engaging. XBimmers BMW X3 Forum BMW X3/X4 Forums (2018 - 2024) BMW X3 (G01) / X4 (G02) Forum Stage 1 Tunes and Catted Downpipes Thread Tools Bookmarks twitter Facebook Digg Google StumbleUpon del.icio.us My Yahoo! Get more HP and TQ gains with a well-calibrated and meticulously refined, DME Tuning ECU software.
The tune for the BMW X3 M40 is guaranteed to give you more horsepower, more torque, and a more exhilarating driving experience by delivering usable power through improved throttle response and torque management. The build continues! In this video, I upgrade my 2024 BMW X3 M40i (Gen 2 B58) with a Titanium Valvetronic exhaust and a high. JB4 Plug and play tune Bmw X3 M40i B58 Installing the downpipe requires an adjustment of the ECU map.
For this we have selected a reliable and professional partner, which perfectly matches our downpipes, to solve the problem. A plug and play additional control unit available for BMW with turbocharged engines.