340i downpipe and tune - The BMW 340i ECU tune from Gintani includes reprogrammed torque management parameters, smoother engine operations, reprogrammed throttle and response. If applicable it can also raise the RPM Limiter, top speed limit removal, octane ignition timing, optimization of fuel quality, and more power!

 
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.. Fire tv 4 series

Power approaching 400whp on a pretty conservative tune is impressive to say the least. B58 MHD Stage 2 HP Gains & Mods. Mods Recommended: Catless DP + Intake. Stage 2 B58 tunes provide a respectable bump above stage 1 performance. It is highly recommended to install a catless downpipe or high flow catted downpipe prior to stage 2 MHD tunes.Dotcalc · #19 · Oct 22, 2021. JNMNL52 said: I have read many posts regarding the MPPSK in various forums and I am seriously considering this B58 performance upgrade, along with JB4 and Dinan Elite V2. MPPSK is the most expensive performance option of the three that I am evaluating. Most MPPSK owners are thrilled with the sound and performance.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. 340i downpipe and tune. Bimmerpost ☰ Model Selection. 1. F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018. E81 / E82 ...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 Downpipe for 340i . ... And if you dont plan to tune the car, you will have a cell. Reply saltylmakids 2018 340i Stage 2 Pure Turbo - 525WHP (Toronto ...Jan 15, 2020 · Dotcalc · #19 · Oct 22, 2021. JNMNL52 said: I have read many posts regarding the MPPSK in various forums and I am seriously considering this B58 performance upgrade, along with JB4 and Dinan Elite V2. MPPSK is the most expensive performance option of the three that I am evaluating. Most MPPSK owners are thrilled with the sound and performance. 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=...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.BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > B58 Turbo Engine / Drivetrain / Exhaust Modifications > Dinan + midpipes + downpipe? Google Search Search ForumsThe cell count isn't really the issue but rather the cat used. Fabspeed which is CEL guaranteed uses a 200cell cat and is sold for $2K. AA is a 400cell cat and is sold for ~$1500. Almost every other catted downpipe on the market is also 200cell but they all throw a code, have no guarantee, but are 75% less than the Fabspeed.Best Downpipe For B58. I've heard Wagner and ER are really good. Looking for one that's gonna give me the most aggressive sound for my 340i. Car is completely stock right now, just want to match it with my oem non m performance exhaust with bm3 tune (in near future) and MAYBE a muffler delete (will have to see how the dp and tune sound first ...Apr 9, 2007 · Unable to Tune - WGDC Boost Drop (Update: Solved) ... downpipe safe to use? ... 340i lsd. nosam1g. 08-23-2023 12:50 PM by kern417. 14: 340i downpipe and tune. Bimmerpost ☰ Model Selection. 1. F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018. E81 / E82 ...Drives: M5Comp, E46M3 6MT, 328d, M340i. Join Date: Mar 2013. Location: Loma Linda, CA. iTrader: ( 0) I dynoed mine bone stock on Cali 91 gas and it put down 366whp and 369wtq. Adding 1 can of octane booster took it to 372whp and 385wtq on same dyno without unstrapping the car from the rollers.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.Best Downpipe For B58. I've heard Wagner and ER are really good. Looking for one that's gonna give me the most aggressive sound for my 340i. Car is completely stock right now, just want to match it with my oem non m performance exhaust with bm3 tune (in near future) and MAYBE a muffler delete (will have to see how the dp and tune sound first ...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.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 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 ...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 ... 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 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.Clear. $ 299.99. Add to cart. Description. Additional information. Reviews (67) We are proud to introduce our VRSF race & high flow catted downpipe for your B58 M240i, 340i, 440i, 540i, 740i & xDrive variants. These downpipes are THE best bang for the buck mod available for your B58 and they’re available in both race & high flow configurations.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 ...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.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. BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > B58 Turbo Engine / Drivetrain / Exhaust Modifications > Dinan + midpipes + downpipe? Google Search Search ForumsMar 28, 2016 · 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. BMW 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...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... Downpipe for 340i . ... And if you dont plan to tune the car, you will have a cell. Reply saltylmakids 2018 340i Stage 2 Pure Turbo - 525WHP (Toronto ... 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 ...November 27, 2020 · Instagram ·. Some nice B58 dyno numbers from one of our customers, comparing all maps running a downpipe and E30 fuel on his M140i. The difference between ST1 and 2 would be a bit bigger if the car had been measured without DP on ST1 and also the base number would be slightly lower without DP but still great results.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. 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=...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. All these modern engines use the MAF (Mass Air Flow) sensor to measure the air in to apply the proper amount of fuel. You will eventually reach the fuel cap in a stock tune, but you'd never see it from a DP and exhaust. You really need the tune to unlock the potential of the DP. Clear. $ 299.99. Add to cart. Description. Additional information. Reviews (67) We are proud to introduce our VRSF race & high flow catted downpipe for your B58 M240i, 340i, 440i, 540i, 740i & xDrive variants. These downpipes are THE best bang for the buck mod available for your B58 and they’re available in both race & high flow configurations. Features: NO CEL for catalytic efficiency when using this downpipe. GESI EPA registered high flow and fully OBD2 compliant. Casted upper stainless steel V-Band for precise fitment. 4.50" diameter piping allows for maximum power output. Quicker turbo spool. Rated for 500 to 850 hp applications. Withstands up to 1500 F. All else constant, stage 2 maps will run a couple PSI more than the stage 1 maps. However, a catless downpipe is going to provide a decent chunk of the benefits. Not only does it provide a good bump in power, but a catless downpipe also helps reduce turbo lag. Bm3 Stage 2 Horsepower. 91 octane: 390-410whp. 93 octane: 400-420whp. Race gas: 410 ...2020 M340i Stock Dyno Number. Those who have been following us on Instagram saw the latest updates we have been posting regarding the support for G20 chassis. We will have a completely different thread started when it comes to flash/tune information for the M340i later on today, but for now, I'm posting the first official Dyno results in stock ... 2017 Dodge Charger Scat Pack vs 2018 BMW 340iDodge Charger has an upgraded intake and longtube headers on E85.BMW 340i has a catless downpipe and OTS E30 Tun...BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > B58 Turbo Engine / Drivetrain / Exhaust Modifications > Dinan + midpipes + downpipe? Google Search Search Forums Unable to Tune - WGDC Boost Drop (Update: Solved) ... downpipe safe to use? ... 340i lsd. nosam1g. 08-23-2023 12:50 PM by kern417. 14:2018 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...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, ... 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. 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. 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.Feb 28, 2016 · Best 1/4 mile with JB4: 12.32@ 111.58mph 2014 Audi S4 Prestige with APR Stage II+ ECU Flash and Supercharger Pulley, DSG DL 501 Transmission Tune, APR Intake, APR full RSC exhaust with custom downpipe, APR Cooling Performance Unit Best 1/4 mile = 11.7 at 116 mph 2016 Audi Q5S with APR Stage II ECU Flash 2012 Infinity G37s - sold 2011 BMW M3 ... 2020 M340i Stock Dyno Number. Those who have been following us on Instagram saw the latest updates we have been posting regarding the support for G20 chassis. We will have a completely different thread started when it comes to flash/tune information for the M340i later on today, but for now, I'm posting the first official Dyno results in stock ... 340i downpipe and tune. Bimmerpost ☰ Model Selection. 1. F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018. E81 / E82 ...BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > B58 Turbo Engine / Drivetrain / Exhaust Modifications > Dinan + midpipes + downpipe? Google Search Search Forums1x 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 ...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=... Jul 11, 2020 · Drives: M5Comp, E46M3 6MT, 328d, M340i. Join Date: Mar 2013. Location: Loma Linda, CA. iTrader: ( 0) I dynoed mine bone stock on Cali 91 gas and it put down 366whp and 369wtq. Adding 1 can of octane booster took it to 372whp and 385wtq on same dyno without unstrapping the car from the rollers. 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 ...Stage 3+ Pure 800. 510-560HP / 525-550TQ**. 535-585HP / 540-570TQ**. 650-700HP / 650-700TQ**. *Power depends on finely balanced ethanol content, peaking at 25-35% and quickly falling off due to fuel pressure. **Heavily depends on tune aggresion, desired power, transmisison, and optional port injection fuel pump upgrade.The 335i with the N55 engine offers 300hp and 300tq while the 340i comes in at 320hp and 330tq. BMW 340i models with the B58 also have the advantage of a slightly better power curve. 0-60 from the factory is nearly identical right around 5.0 seconds. 1/4 mile times come in the mid 13’s around 105mph.Dec 30, 2020 · OWNER : @Justanotherm340 Like Comment Subscribe I post DAILY so turn your notifications on Features: NO CEL for catalytic efficiency when using this downpipe. GESI EPA registered high flow and fully OBD2 compliant. Casted upper stainless steel V-Band for precise fitment. 4.50" diameter piping allows for maximum power output. Quicker turbo spool. Rated for 500 to 850 hp applications. Withstands up to 1500 F. 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 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.Downpipe is the single biggest hardware mod for the B58. HPFP being second for the 1st gen BMW engines. The TU HPFP are better. The tune obviously makes a big difference, and octane in the fuel is a large factor as well. The B58 loves ethanol and higher octane. 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... 2020 M340i Stock Dyno Number. Those who have been following us on Instagram saw the latest updates we have been posting regarding the support for G20 chassis. We will have a completely different thread started when it comes to flash/tune information for the M340i later on today, but for now, I'm posting the first official Dyno results in stock ...Clear. $ 299.99. Add to cart. Description. Additional information. Reviews (67) We are proud to introduce our VRSF race & high flow catted downpipe for your B58 M240i, 340i, 440i, 540i, 740i & xDrive variants. These downpipes are THE best bang for the buck mod available for your B58 and they’re available in both race & high flow configurations. 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.2017 Dodge Charger Scat Pack vs 2018 BMW 340iDodge Charger has an upgraded intake and longtube headers on E85.BMW 340i has a catless downpipe and OTS E30 Tun...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 ... 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 ...B58 Pure Stage 1 Turbo (450-500whp) Price: $1,195. The Pure stage 1 turbo was developed pretty early on in the world of B58’s. In 2016, they made 481whp and 437wtq with only an intake, JB4, and meth on regular 93 pump gas. These numbers aren’t overly impressive given the stock turbo capabilities as of 2020.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.Akrapovic Sport Downpipe with Cat - F22 M240i, F30 340i, F32 440i. Higher flow downpipe with sport catalytic converter. 3037.36. View Product. All these modern engines use the MAF (Mass Air Flow) sensor to measure the air in to apply the proper amount of fuel. You will eventually reach the fuel cap in a stock tune, but you'd never see it from a DP and exhaust. You really need the tune to unlock the potential of the DP.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 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.340i downpipe and tune. Bimmerpost ☰ Model Selection. 1. F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018. E81 / E82 ...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.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...Apr 25, 2020 · 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. 340i downpipe and tune. Bimmerpost ☰ Model Selection. 1. F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018. E81 / E82 ... Mar 12, 2020 · Power approaching 400whp on a pretty conservative tune is impressive to say the least. B58 MHD Stage 2 HP Gains & Mods. Mods Recommended: Catless DP + Intake. Stage 2 B58 tunes provide a respectable bump above stage 1 performance. It is highly recommended to install a catless downpipe or high flow catted downpipe prior to stage 2 MHD tunes. 340i downpipe and tune. Bimmerpost ☰ Model Selection. 1. F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018. E81 / E82 ...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=...bootmod3 B58 - BMW Fxx Gxx 140i 240i 340i 440i 540i 640i 740i 840i Z4M40i M140i M340i X3 M40i X5 X7 Tune. $595.00 USD. Add to Cart. World's First, Most Advanced and Widely Adopted cloud-based flash tuning platform for the BMW F and G series vehicles. Our latest development includes the addition of the bootmod3 CustomROM features that add ...Feb 7, 2022 · 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 ... 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 removal

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... . Atandt directv payment number

340i downpipe and tune

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 ...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 ...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.Drives: M5Comp, E46M3 6MT, 328d, M340i. Join Date: Mar 2013. Location: Loma Linda, CA. iTrader: ( 0) I dynoed mine bone stock on Cali 91 gas and it put down 366whp and 369wtq. Adding 1 can of octane booster took it to 372whp and 385wtq on same dyno without unstrapping the car from the rollers.All these modern engines use the MAF (Mass Air Flow) sensor to measure the air in to apply the proper amount of fuel. You will eventually reach the fuel cap in a stock tune, but you'd never see it from a DP and exhaust. You really need the tune to unlock the potential of the DP.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. 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. 2021 Mercedes AMG C63 S vs 2018 BMW 340iAMG C63 S has a stage 1 Eurocharged 93 tune.BMW 340i has a catless downpipe, high pressure fuel pump, and a stage 2 M...Akrapovic Sport Downpipe with Cat - F22 M240i, F30 340i, F32 440i. Higher flow downpipe with sport catalytic converter. 3037.36. View Product.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.The Active Autowerke B58 downpipe for the 340i and 440i helps unleash some of the potential that is restricted by the OEM downpipe. Turbochargers are powered by spent exhaust gases created during the combustion process. The quicker these gases are evacuated, the better. Unfortunately, the factory down pipe in the B58 is quite restrictive, which ... 340i downpipe and tune. Bimmerpost ☰ Model Selection. 1. F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018. E81 / E82 ...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... .

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