2024 340i downpipe and tune

Please read description for more information about this car.Follow @B58_Raf on InstagramThis 2016 BMW 340i X-Drive has the track package and the following pe... . Bigboobiebabexpercent27s

BMW’s S63 is a seriously powerful engine when tuned. Actually, the S63 M5 and M6 are so powerful it just about maxes the stock DCT with a tune-only. Following a tune, upgraded downpipes are the next best bolt-on to extract more power. Although, this may push the transmission past it’s limits. More on this later….VRSF B58 Downpipe Upgrade 2016+ BMW M240i, 340i, 440i, 540i, 740i & xDrive. VRSF. Regular price $350.99 Sale price from $299.99 Save $9.99 Drives: 2021 M340i x. Join Date: Feb 2020. Location: Chicago. iTrader: ( 0) JB4 on 2021 M340i. I was able to update the firmware from my S58 JB4 to B58 and put the JB4 on my M340i. It made a decent difference on my X3M. I felt it more going backwards (taking it off and going to stock) vs putting it on.Please read description for more information about this car.Follow @B58_Raf on InstagramThis 2016 BMW 340i X-Drive has the track package and the following pe...19K views 2 years ago. VRSF Catless downpipe install and tune with Bootmod3 (B58 Engine), enjoy! 340i VRSF Downpipe - https://tinyurl.com/ycnrn79j Bootmod3 Tune -... Drives: 2021 M340i x. Join Date: Feb 2020. Location: Chicago. iTrader: ( 0) JB4 on 2021 M340i. I was able to update the firmware from my S58 JB4 to B58 and put the JB4 on my M340i. It made a decent difference on my X3M. I felt it more going backwards (taking it off and going to stock) vs putting it on.Jan 29, 2018 · I think it sounds nice with just a downpipe. A full exhaust is a different beast altogether. For power, if you don't plan on tuning then don't waste your time with a downpipe. You're not going to notice much aside from throttle response and a deeper note/louder burbles. If you were going to tune then I would say a downpipe is 100% worth it. F30 BMW 340i With E85 Tune Runs 10s Quarter-Mile Pass. The previous generation of the BMW 3 Series topped with the corner-carving M3, the F80 with a twin-turbo sixer and a DCT. The truth of the ...We're back with a tune install on Sam's 2018 BMW 340i. The results were shocking! Definitely need to throw it on a dyno for a future video.Check out XTR Perf...1x pick tool. Step 1 Put car on Jack Stands. Step 2remove airbox ofc. Step 3 Remove Under tray cover. STep 4 Remove Oxygen Sensor Wires. This one is a little tricky, unplugging them is easy, just twist the locking part press down and pull out but to get the o2 sensor wire off the plastic wire box cover thingy use a 90 degree pick tool and press ...VRSF B58 Downpipe Upgrade 2016+ BMW M240i, 340i, 440i, 540i, 740i & xDrive. VRSF. Regular price $350.99 Sale price from $299.99 Save $9.992016 BMW 340i M-Sport Pkg Pure 800 Turbo, Dorch Engineering Stage 2 HPFP, VRSF 4.5" Downpipe, Remus Axleback, CTS Turbo Intake, 8HP70 Transmission Swap w/ XHP Stage 3 Trans Tune, and Custom E50 Wedge MHD TuneBMW M340i vs BMW 340iM340i has a catless downpipe, chargepipes, and E50 Tune.F30 340i has an intake and catless downpipe on E50 tune.1st race was from 40 MPH... Recently purchased a 2018 340i and want to do some basic bolt-ons like exhaust, downpipe and tune. But I still have a CPO warranty until October of 2023 and I don't want to void that if I ever need it. What are my options for tuning the car and installing a high-flow catted downpipe while not getting in trouble at the dealership lol. 340i downpipe and tune. Bimmerpost ☰ Model Selection. 1. F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018. E81 / E82 ...340i downpipe and tune. Bimmerpost ☰ Model Selection. 1. F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018. E81 / E82 ...Jan 8, 2022 · BMW M340i Downpipe 30whp gain ? Stumbled across this video on youtube, racechip guys says that on stock tune by adding a downpipe their car yielded a 30whp gain, has any had similar experience ? 2020 BMW M340i tuned - Can it keep up with an F82 M4? Dyno & 100-200 | RaceChip Insights - YouTube. Jan 19, 2021 · F30 BMW 340i With E85 Tune Runs 10s Quarter-Mile Pass. The previous generation of the BMW 3 Series topped with the corner-carving M3, the F80 with a twin-turbo sixer and a DCT. The truth of the ... 3-5k pulls with the catless downpipe installed. Pretty darn loud, If you ask me. Some WOT videos coming next, until then.. enjoy the sound of the B58, unleas... More About Performance Downpipes. 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. Jun 29, 2019 · We're back with a tune install on Sam's 2018 BMW 340i. The results were shocking! Definitely need to throw it on a dyno for a future video.Check out XTR Perf... Drives: 2016 M235i. Join Date: Mar 2016. Location: Philadelphia. iTrader: ( 0) FBO and BM3 Stage 2 Tune Results w/ Some Strangeness. Finally got my FBO parts and BM3 tune installed yesterday. The build included... Fabspeed Catted Downpipe. Dinan CAI.The only true significant exhaust power-added is catless downpipes, and this exhaust is just a catback system. The kit’s exhaust can be purchased directly from BMW for $1,700, if you don’t want the more aggressive tune to go with it. MPPSK Dyno Results. On the dyno, a factory 340i pulled 331whp and 325lb-ft. of torque to the wheels.Unable to Tune - WGDC Boost Drop (Update: Solved) ... downpipe safe to use? ... 340i lsd. nosam1g. 08-23-2023 12:50 PM by kern417. 14:19K views 2 years ago. VRSF Catless downpipe install and tune with Bootmod3 (B58 Engine), enjoy! 340i VRSF Downpipe - https://tinyurl.com/ycnrn79j Bootmod3 Tune -...Also for the launch control being more aggressive, could I tune the launch control to a point where it’s less than stock? Whenever I try launch control I just spin for 3 seconds, before gripping hard. Thus my launch control is useless right now even on brand new Michelin sport A/S 3+. RWD, running MHD stage 2 with downpipe and intake. Wow that is incredible for just a tune and a downpipe. Plus it's on snow tires ... 2016 BMW 340i [0.00] G80 + tune= 3 or lower 0-60. Wild times. Appreciate 0BigDs340i Discussion starter · #4 · Apr 8, 2016. Yes.. That is my white 340i on the front page of their website. 2016 BMW 340i M Sport with Track Handling Package - JB4 Burger piggyback tune. Best 1/4 mile with JB4: 12.32@ 111.58mph.VRSF B58 Downpipe Upgrade 2016+ BMW M240i, 340i, 440i, 540i, 740i & xDrive. VRSF. Regular price $350.99 Sale price from $299.99 Save $9.99 VRSF B58 Downpipe Upgrade 2017 – 2022 BMW X3 M40iX G01 & X4 M40iX G02. SKU: N/A. 4.8 out of 5 based on 5 customer ratings. ( 5 customer reviews) From: $ 299.99. Heat Shield ETA 10/1/2023. Downpipe Selection. Choose an option Track Limited Racing Downpipes High Flow Catted Downpipe. Surface Finish. 340i downpipe and tune. Bimmerpost ☰ Model Selection. 1. F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018. E81 / E82 ...that’s why the car vibrates. If you get a downpipe and aftermarket tune you’ll definitely want to remove the cold start function. (cold start is just supposed to head up the catalytic filter in the downpipe, so that’s why it’s commonly removed after catless downpipe installation.)e. Take care, @the340iguy on instagramMasata is our brand of choice for non-US folks. Their products use high quality stainless steel, smooth bends, and and strong welds. Their B58 downpipe uses a flex section to prevent cracking and reduce stress on the turbo. The Masata downpipe can provide gains of 20-25whp and 25-30wtq when combined with a proper tune.Akrapovic Sport Downpipe with Cat - F22 M240i, F30 340i, F32 440i. Higher flow downpipe with sport catalytic converter. 3037.36. View Product. May 5, 2019 · 550 horsepower at the crank is likely obtainable, but that’s just about the max on the stock turbo assuming a 12-15% drivetrain loss. You can end up around 470-500whp with an aggressive tune and all of the proper supporting mods (tune, downpipe, intake, methanol injection, and ideally a small E85 mix). You may consider some cooling mods, too. 2018 BMW 340i vs 2020 BMW M4 CSBMW 340i has a catless downpipe, high pressure fuel pump, and an OTS E40 Tune on an automatic transmission.BMW M4 CS has an up...There was video posted of an M340xi with a bench flash by a local tuner that tunes all cars (don't know dyno numbers - but I assume that Mission Performance / MHD / PTF are at or above the same level) and results were: on snow tires but dry pavement. had a downpipe (don't know catted or not) 0-60 in 3.45. 1/4 in 11.54.The boost level settings of a Stage2 tune are too high for the back pressure generated by the resistance of the stock downpipe. The Stage2 tune tells the turbo to spin faster to a point where that stock back pressure can damage the turbo. A catless downpipe has emissions issues depending on your state's requirements. It also has a gasoline smell.NYC_340i. Lieutenant . 207. Rep. 547. Posts. Drives: '20 M340i xDrive, '11 X3 28i ... Same reason I'm hesitant on a tune but exhaust wont cause any issues and should ...There was video posted of an M340xi with a bench flash by a local tuner that tunes all cars (don't know dyno numbers - but I assume that Mission Performance / MHD / PTF are at or above the same level) and results were: on snow tires but dry pavement. had a downpipe (don't know catted or not) 0-60 in 3.45. 1/4 in 11.54. Drives: 2016 M235i. Join Date: Mar 2016. Location: Philadelphia. iTrader: ( 0) FBO and BM3 Stage 2 Tune Results w/ Some Strangeness. Finally got my FBO parts and BM3 tune installed yesterday. The build included... Fabspeed Catted Downpipe. Dinan CAI.340i downpipe and tune. Bimmerpost ☰ Model Selection. 1. F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018. E81 / E82 ... VRSF B58 Downpipe Upgrade 2016+ BMW M240i, 340i, 440i, 540i, 740i & xDrive. VRSF. Regular price $350.99 Sale price from $299.99 Save $9.99 340i downpipe and tune. Bimmerpost ☰ Model Selection. 1. F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018. E81 / E82 ...that’s why the car vibrates. If you get a downpipe and aftermarket tune you’ll definitely want to remove the cold start function. (cold start is just supposed to head up the catalytic filter in the downpipe, so that’s why it’s commonly removed after catless downpipe installation.)e. Take care, @the340iguy on instagram3-5k pulls with the catless downpipe installed. Pretty darn loud, If you ask me. Some WOT videos coming next, until then.. enjoy the sound of the B58, unleas... BMW B58. Dinan 340i catback. dinan 340i exhaust. A soundclip of Dinan's 340i exhaust comparing the stock system to the Dinan Free Flow exhaust, with and without the mid-pipe.Feb 7, 2020 · that’s why the car vibrates. If you get a downpipe and aftermarket tune you’ll definitely want to remove the cold start function. (cold start is just supposed to head up the catalytic filter in the downpipe, so that’s why it’s commonly removed after catless downpipe installation.)e. Take care, @the340iguy on instagram Get more HP and TQ gains with a well-calibrated and meticulously refined, DME Tuning ECU software. The tune for the BMW M340i 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.Vendor: VRSF. SKU: 10202010. Product Type: Performance. $296.99. $282.14. Downpipe Selection: Catless Race Downpipe. Catless Race Downpipe High Flow Catted Downpipe. Quantity: Buy in monthly payments with Affirm on orders over $50. More About Performance Downpipes. 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. Mar 18, 2020 · The only true significant exhaust power-added is catless downpipes, and this exhaust is just a catback system. The kit’s exhaust can be purchased directly from BMW for $1,700, if you don’t want the more aggressive tune to go with it. MPPSK Dyno Results. On the dyno, a factory 340i pulled 331whp and 325lb-ft. of torque to the wheels. 2018 BMW 340i vs 2017 Mercedes AMG C43BMW 340i has a catless downpipe and OTS 93 tune.Mercedes AMG C43 has catless downpipes and an OTS E30 tune.1st race was... that’s why the car vibrates. If you get a downpipe and aftermarket tune you’ll definitely want to remove the cold start function. (cold start is just supposed to head up the catalytic filter in the downpipe, so that’s why it’s commonly removed after catless downpipe installation.)e. Take care, @the340iguy on instagramAkrapovic Sport Downpipe with Cat - F22 M240i, F30 340i, F32 440i. Higher flow downpipe with sport catalytic converter. 3037.36. View Product. JB4_B58 is CARB Approved Under Executive Order (EO) No.D-744-4 for all 2016-2018 BMW 230i, 330i, 430i, 530i, 340i, 440i, 740i, M240i, and X1 applications. Wirelessly connect the JB4 to your Bluetooth 4.0 compatible iOS and Android device via the JB4 Mobile connect kit or to your Windows laptop with the BMS data cable.Drives: 2016 M235i. Join Date: Mar 2016. Location: Philadelphia. iTrader: ( 0) FBO and BM3 Stage 2 Tune Results w/ Some Strangeness. Finally got my FBO parts and BM3 tune installed yesterday. The build included... Fabspeed Catted Downpipe. Dinan CAI.Reviews (15) We are proud to introduce our VRSF race & catted downpipe for your G20 B58 M340i & xDrive variants. This downpipe is THE best bang for the buck mod available. This downpipe is available in both race & catted configuration.BigDs340i Discussion starter · #4 · Apr 8, 2016. Yes.. That is my white 340i on the front page of their website. 2016 BMW 340i M Sport with Track Handling Package - JB4 Burger piggyback tune. Best 1/4 mile with JB4: 12.32@ 111.58mph.Stage 2 (up to 470HP/630NM, up to 500HP on B58TU1) - 91oct/95ron, 93oct/98ron, 95oct/102ron, for cars equipped with high-flow downpipe and no gasoline particulate filter. Stage 2+HPFP (up to 500HP/700NM, GEN1 B58 only) - 93oct/98ron, 95oct/102ron, for cars equipped with high-flow downpipe, upgrade HPFP and no gasoline particulate filter.Hey guys I recently put in a VRSF catless downpipe on my 340i which I had already done a dual resonator delete on. ( I totally effed up by doing it that order but I originally didn't plan on going catless or tuning but changed my mind). Now that I have both things done the car is really loud but it's a bit too raspy sounding with valves open ...Please read description for more information about this car.Follow @B58_Raf on InstagramThis 2016 BMW 340i X-Drive has the track package and the following pe...Active Autowerke Catted Downpipe for BMW B58 F3X M240I, 340I, 440I 11-062. 888-967-5634 Mon - Fri 8:30 - 5:00 PM PST. Search. Products. Vehicles. Racing. Sim Racing.The boost level settings of a Stage2 tune are too high for the back pressure generated by the resistance of the stock downpipe. The Stage2 tune tells the turbo to spin faster to a point where that stock back pressure can damage the turbo. A catless downpipe has emissions issues depending on your state's requirements. It also has a gasoline smell. that’s why the car vibrates. If you get a downpipe and aftermarket tune you’ll definitely want to remove the cold start function. (cold start is just supposed to head up the catalytic filter in the downpipe, so that’s why it’s commonly removed after catless downpipe installation.)e. Take care, @the340iguy on instagramDrives: 2021 M340i x. Join Date: Feb 2020. Location: Chicago. iTrader: ( 0) JB4 on 2021 M340i. I was able to update the firmware from my S58 JB4 to B58 and put the JB4 on my M340i. It made a decent difference on my X3M. I felt it more going backwards (taking it off and going to stock) vs putting it on.I just put my stock downpipe on for my annual emissions and the dealership visit. Can't wait to get the catless dp back on. I miss the sound to much. Once you do the downpipe swap, the second time only take about an hour to do. Having said that, I'd get a tune also and take advantage of that downpipe running map5.340i downpipe and tune. Bimmerpost ☰ Model Selection. 1. F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018. E81 / E82 ...Oct 13, 2020 · Drives: 2021 M340i x. Join Date: Feb 2020. Location: Chicago. iTrader: ( 0) JB4 on 2021 M340i. I was able to update the firmware from my S58 JB4 to B58 and put the JB4 on my M340i. It made a decent difference on my X3M. I felt it more going backwards (taking it off and going to stock) vs putting it on. Jan 8, 2022 · BMW M340i Downpipe 30whp gain ? Stumbled across this video on youtube, racechip guys says that on stock tune by adding a downpipe their car yielded a 30whp gain, has any had similar experience ? 2020 BMW M340i tuned - Can it keep up with an F82 M4? Dyno & 100-200 | RaceChip Insights - YouTube. BMW B58. Dinan 340i catback. dinan 340i exhaust. A soundclip of Dinan's 340i exhaust comparing the stock system to the Dinan Free Flow exhaust, with and without the mid-pipe.Please read description for more information about this car.Follow @B58_Raf on InstagramThis 2016 BMW 340i X-Drive has the track package and the following pe...340i downpipe and tune. Bimmerpost ☰ Model Selection. 1. F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018. E81 / E82 ... JB4 Plug and play tune Bmw 340i 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.Get more HP and TQ gains with a well-calibrated and meticulously refined, DME Tuning ECU software. The tune for the BMW M340i 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.You don't need a tune for the downpipe and you don't need a downpipe if you're tuned. That being said, without a tune you'll get CEL and not a huge power gain with the dp. And if you get the tune, you'll get more power but be limited with the stock dp. If you have to choose one over the other, get the tune since you can just run stage 1 until ...2016 BMW 340i M-Sport Pkg Pure 800 Turbo, Dorch Engineering Stage 2 HPFP, VRSF 4.5" Downpipe, Remus Axleback, CTS Turbo Intake, 8HP70 Transmission Swap w/ XHP Stage 3 Trans Tune, and Custom E50 Wedge MHD Tune That’s mighty impressive considering it’s all done with an ECU tune. Then there’s Stage 2 which will develop 475 PS (468 HP) and 680 Nm (501 lb-ft), both kits removing the speed limiter.Now your free-flow downpipe is forcing the engine to work in emergency mode which actually leads to reduction of power output and increase of fuel consumption. The problem is most likely stemming from the O2 sensors. Eliminating the cat creates less backpressure in turn creating more ponies but allowing a higher rate of dirty exhaust to glaze ...Jan 1, 2023 · 2018 340i - MHD STG 2+ HPFP ,TU PUMP,MHD-FLEX-FUEL, M-PERF LSD,XHP Stg 2,CSF Heat Exchanger, MPE EXHAUST Mid Pipe BACK, Ross Racing Oil Catch Can, Evo Race Work Downpipe, DAW Inlet, MST Intake, VRSF Chargepipe 2011 335is - SOLD

2018 BMW 340i vs 2020 BMW M4 CSBMW 340i has a catless downpipe, high pressure fuel pump, and an OTS E40 Tune on an automatic transmission.BMW M4 CS has an up... . Set up atandt online account

340i downpipe and tune. Bimmerpost ☰ Model Selection. 1. F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018. E81 / E82 ...Also for the launch control being more aggressive, could I tune the launch control to a point where it’s less than stock? Whenever I try launch control I just spin for 3 seconds, before gripping hard. Thus my launch control is useless right now even on brand new Michelin sport A/S 3+. RWD, running MHD stage 2 with downpipe and intake. Mar 18, 2020 · The only true significant exhaust power-added is catless downpipes, and this exhaust is just a catback system. The kit’s exhaust can be purchased directly from BMW for $1,700, if you don’t want the more aggressive tune to go with it. MPPSK Dyno Results. On the dyno, a factory 340i pulled 331whp and 325lb-ft. of torque to the wheels. 340i downpipe and tune. Bimmerpost ☰ Model Selection. 1. F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018. E81 / E82 ... OBD tunes allow customers to simply plug in a cable and upgrade their ECU. We send you an OBD cable and remotely tune the car using remote desktop software called TeamViewer. You will need a Windows 7+ laptop for this process. Tuning for specific octane. Check engine light removal for downpipes (off-road use only) Top speed limiter removalExpect power gains of about 10-20whp with a high-flow B58 catted downpipe. Whether you’re looking for a catted or catless option VRSF has you covered. The catless downpipe for the F chassis M240i, 340i, 440i, 540i, 640i, and 740i is $299.99 while the high-flow downpipe is $479.99.Active Autowerke Catted Downpipe for BMW B58 F3X M240I, 340I, 440I 11-062. 888-967-5634 Mon - Fri 8:30 - 5:00 PM PST. Search. Products. Vehicles. Racing. Sim Racing.Whats going on guys today we installed a catless Downpipe and got astage 2 tune from BM3!! *CRAZY FAST AND LOUD* #bmw #440i #b58=====Follow my Instagram=...Anecdotally--I had a 2009 n54 335i and all it had was an intercooler and OTS Stg1 MHD tune, and it definitely felt slightly faster than my current 2016 340i with OTS Stg1 BM3 in the same configuration (RWD, MT). I remember actually being scared in my old car sometimes from how violent it was.340i downpipe and tune. Bimmerpost ☰ Model Selection. 1. F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018. E81 / E82 ... BMW M340i Specs, Horsepower, 0-60mph, Price. The BMW M340i is an impressive car both on paper and in the real world. A lot of the M340i’s performance can be attributed to the engine that BMW chose for it. The B58B3 3.0L inline 6-cylinder is an engine that has a reputation of being a velvety heathen. Like Satan in a smoking jacket.BMW’s S63 is a seriously powerful engine when tuned. Actually, the S63 M5 and M6 are so powerful it just about maxes the stock DCT with a tune-only. Following a tune, upgraded downpipes are the next best bolt-on to extract more power. Although, this may push the transmission past it’s limits. More on this later….Vendor: VRSF. SKU: 10202010. Product Type: Performance. $296.99. $282.14. Downpipe Selection: Catless Race Downpipe. Catless Race Downpipe High Flow Catted Downpipe. Quantity: Buy in monthly payments with Affirm on orders over $50.On any turbocharged vehicle, the downpipe lies within your exhaust system, connecting the turbo exit to the catalytic converter. How easy it is for things to flow down this pipe has a huge impact on your car’s overall achievable horsepower and torque. A typical BMW downpipe will have two 400-cell catalytic converters within the downpipe ... Jun 29, 2019 · We're back with a tune install on Sam's 2018 BMW 340i. The results were shocking! Definitely need to throw it on a dyno for a future video.Check out XTR Perf... This M340i’s engine has a ‘Stage 2’ ECU tune from an unspecified aftermarket shop and also sports new downpipes. The upgrades are apparently enough to lift grunt to 520 hp and 490 lb-ft (664 ...340i downpipe and tune. Bimmerpost ☰ Model Selection. 1. F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018. E81 / E82 ...2021 Porsche 911 Carrera S vs 2018 BMW 340iPorsche Carrera S is 100% stock on the PDK transmission.BMW 340i has a catless downpipe, high pressure fuel pump, ... Oct 13, 2020 · Drives: 2021 M340i x. Join Date: Feb 2020. Location: Chicago. iTrader: ( 0) JB4 on 2021 M340i. I was able to update the firmware from my S58 JB4 to B58 and put the JB4 on my M340i. It made a decent difference on my X3M. I felt it more going backwards (taking it off and going to stock) vs putting it on. .

2018 BMW 340i vs 2020 BMW M4 CSBMW 340i has a catless downpipe, high pressure fuel pump, and an OTS E40 Tune on an automatic transmission.BMW M4 CS has an up... . Set up atandt online account

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