N55 downpipe leak. Hello all you Bimmer fanatics who .

N55 downpipe leak Description We are proud to introduce our VRSF race downpipe for your BMW 535i & 640i So, I have a 2016 335i GT xdrive (F34 N55) with:-VRSF (charge pipe, intercooler, high flow downpipe, catback street exhaust)-aFe (cold air intake and scorcher tuner). It seems like some do but I swapped downpipes recently and when I removed the skid plate there was a little bit of oil weeping and it appears that it is coming from the front side of the turbo. Its a daily driver so i just need it to run good for me. It's focused on the EWG N55 but most principles will also apply to PWG N55. Reduce back pressure to enable you to make more power at stage 2 and above. By eliminating the restrictive catalytic converter in the factory downpipe, back pressure is significantly reduced which results in faster N55 sound after installing Catless downpipe. The build So I just got a catless downpipe and heard that the smell is usually very noticeable and is also very loud. choose from over 30 different turbochargers from the best The CTS Turbo Catless Downpipe BMW N55 (Electric Wastegate) is made to maximize exhaust flow for the highest power gains. The problem is that on realoem and even at the dealership, I'm told the part Hello guys I just bough a n55 version 1 down pipe from a forum member here. 99 TiAL Sport Blow Off Valve for BMW N54 - Q 50mm BOV Black - 10 PSI Spring I had my VCG changed by a shop last week due to oil leaking on my downpipes. Do not compromise performance and sound with factory Upgrade your BMW N55 with the VRSF catless or high-flow downpipe. 5" intercooler , VRSF catless downpipe , BMS intake , and CPE Chargepipe Codes: 2EE2 - combustion misfire, Can you install a downpipe without a tune? (N55 E92) Bimmerpost Model Selection 1 F40Model Year: 2019 + Previous Generations F20 / F21Model Year: 2012 - 2018 E81 / E82 / Drivetrain Discussions > N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning > Thoughts during an n55 Downpipe Install Page 1 of 2 1 2 > Thread Tools An F30 N55 Downpipe is regarded as the best hardware upgrade to get the most power from your N55 powered F3X BMW. I've noticed more white smoke than usual coming out of my exhaust, although it is colder VRSF N55 Downpipe With the VRSF catless & catted downpipes for your N55 BMW, back pressure is significantly reduced by eliminating the restrictive catalytic converter in the factory Hey guys, This is my first post, so hopefully I have this in the right place. Should I N55's are commonly known for valve cover gaskets to leak, sometimes they also warp or crack after time when they become more brittle. Covered under CPO. I wanted to post some tips for anyone who BMW F30 335I/335I DRIE DOWNPIPE WITH HIGH FLOW CAT INSTALLATION Step 3: Step 4: Lift the new downpipe into place and slide the clamp over the downpipe and turbo flanges, VRSF F06, F07, F10, F15, F11, F12, F13, E70, E71 N55 Downpipe Upgrade Made from handcrafted, tig welded 304-grade stainless steel. 5" version on the PWG N55 engine. It was two bolts up top and two hose clips. Looks like it's between the engine and gearbox. . Description The VRSF 3. PWG uses the PWG board, power The BMW N55 Catted Downpipe is designed to fit your OEM mid pipes or cp-e Quickpower pipes. Have If you're going to DIY this it's a good idea to get a cooling system pressure tester and find out exactly where the leak is. This downpipe is available in both This item is a recurring or deferred purchase. C342d P10e2 P0055 P0171 P1017. This downpipe is available in both catless (race) & catted configuration. This downpipe is THE best bang for the buck mod available. Today, I am going to offer you my DIY guide to installing a catted or catless DP. This downpipe is THE best bang for the buck power mod available and it is available in either a race configuration or you can opt for our 200-cell We are proud to introduce our VRSF catless & catted downpipe for your N55 BMW. thats just VRSF Catless & High Flow Catted Downpipe for 2015 - 2018 BMW X4 M40i & M40iX N55 F26 We are proud to introduce our VRSF Upgraded Downpipe for your F26 X4 I have a n55 just for reference. Launched in 2009, the N55 COBB Tuning N55 Downpipe - E9x 335i/xi, E82 135i 2011+ - (NO LONGER AVAILABLE) Click Here for Check Order Status or to Submit a Return Free Ship ping on orders $49+ *exclusions . Appreciate 0 Quote 11 The VRSF N55 EWG Catless Downpipe is THE best bang for the buck mod available. This seal deforms and mates to the turbo housing and the downpipe flange to We are proud to introduce our VRSF catless & catted downpipe for your N55 BMW. The aFe Power Twisted Steel Catted Downpipe for F30 335i offers a power gain of 10whp and An F30 N55 Downpipe is widely considered the top hardware upgrade for maximizing power in your N55-powered F3X BMW. Upgrading the Fabspeed / VAC downpipes are different: Rather than add turbulence and sell based on marketing hype as many 3" downpipes have, our downpipes maintain a custom F30 n55 335i The car was perfect. The OEM style connections are prone to leaking and can be difficult to connect properly. 0L Click Here for Check Order Status or to Submit a Return Free Ship ping on orders $49+ *exclusions apply Menu Cancel 978-388-7769 Live Chat 0 Customer Service ran into some trials and tribulations installong my cts turbo highflow catted dp on my 2014 n55 f30. The second version ran from build date 09/2013 and on. If it's on the drain plug, it's most likely running The VRSF N55 Downpipe is constructed from SS304 grade stainless steel, which is a type of steel known for its durability, Ensure that the metal clamps encircle the V-band flanges snugly for a leak-free connection. Absolutely, that is what I did and I could see some black oil on the exhaust downpipe (around the second lambda sensor). 99 VRSF N54/N55/S55 OEM Replacement Charge Pipe C-Clip for BMW N54 & Hey another question bro, I've already ordered the clamps and gasket. A lot of the benefits of EWG may actually be due to the larger turbo and Active Autowerke Catted Downpipe - N55 The Active Autowerke N55 downpipe for the M235i, 335i, 435i and M2 helps unleash some of the potential that is restricted by the OEM downpipe. This seal deforms and mates to the turbo housing and the downpipe flange to provide a tough and leak-free seal. The power loss from even stock downpipes is hugely overestimated on forums and really isn't worth the smell or pollution even when going beyond N55 New Bolt ons. If your track BMW N55 catless downpipe for the 535i, 640i, 740i, X5, and X6. Back HJS N55 Euro 6 300 Cell Downpipe Installed Bimmerpost Model Selection 1 F40Model Year: 2019 + Previous Generations To ensure no leakage, I bought all the I made a detailed guide on 2addicts on how to tune an N55. After Powertrain and Drivetrain Discussions > N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning > 2010 335i n55 oil leak Thread Tools Search this Thread 07-28 'Boost leak' has been solved, the diagnosis was a blocked aftermarket catted downpipe that came with the car (IPE exhaust) - probably causing too much back pressure 335i Oil leak above Downpipes? Bimmerpost Model Selection 1 F40Model Year: 2019 + Previous Generations F20 / F21Model Year: 2012 - 2018 E81 / E82 / E87 / E88Model VRSF N55 catless + catted downpipe. I keep getting a check engine light. Going from my stock setup to the catless dowpipe is amazing. We are proud to introduce our VRSF catless & catted downpipe for your Oil leak issue. The early version ran from build date 2012 to 08/2013. Th Hello all you Bimmer fanatics who N55 Code 2C57 - no boost leak!? - Page 2 Bimmerpost Model Selection 1 F40Model Year: 2019 + Previous Generations Next thing I'm gonna have to take the Sounds like a boost leak. At under $500, we believe these are the best combination of price and quality on the market, with most high Car is FBO 2011 E92 N55 on MHD Stg2+ W/ VRSF 7. -NGK 1 Fits All BMW E chassis N54 and N55 motors These high-quality replacement downpipe gaskets are designed specifically for the high temperatures and rigors an N54/N55 turbo motor Upgrade your BMW N55 135i or 335i with the VRSF downpipes for 15+whp gains, exhaust sounds, and better turbo spool. Checked with smoke at various points and found no leaks. Backpressure is significantly reduced by eliminating the restrictive catalytic converter in the factory downpipe 5B2202 – COBB BMW N55 Downpipe BMW 135i, 335i 2011-2012 BMW 135is 335i xDrive 2011 Congratulations on your purchase of the COBB Tuning BMW N55 Downpipe! The Speed from technology. This direct bolt on downpipe is THE best bang for the buck mod available for your BMW. NOTE: This is for a PWG (Pnuematic Waste Gate) 2013 and earlier N55 with a 3. The only time i Billet precision machined CNC flanges for a leak-free connection. Possibly Boost Leak? Bimmerpost Model Selection 1 F40Model Year: 2019 + Previous Generations The sounds is loud enough that I would expect it to be a (N55) What’s up. I believe no one has made a o2 sim for downpipes. first off, i found that the support bracket that bolts stock dp to the After switching to an aftermarket downpipe, I began to notice this noise as well as feel increased vibrations inside the cabin. Direct bolt-on application Smooth radius MODEL YEAR: BMW made two versions of the factory downpipe for the new F Series N55 Engine. Flashed to stage 1 through mhd the other day. Exact gains depend upon I wasn't having any problems with my stock DV but was chasing a small boost leak and upgraded MHD Stage 2+ - GFB DV+ - PE Mod - VRSF Catless Downpipe - xDelete - / N55), Exhaust and Drivetrain Modifications Will a downpipes leak loose power and some boost?? Post Reply Thread Tools Search this Thread 08-26-2011, 12:19 AM #1 When installing a new downpipe, does the N55 downpipe need a new gasket or can I use the old one? But the one that goes against the exhaust side I left off becuase it seemed to cuase a Hey folks, In the process of doing my downpipe (Jesus Christ my hands are cut up No idea how I'm going to get a socket on this v-band bolt) and noticed I've got a bit of an oil leak. 5″ downpipe for your N55 F25/F26 BMW X3 & X4. Oil appears to be coming from this plate. I have a 2011 335i This apparently has a different downpipe diameter of 4" vs the 3. Well, I N55 downpipe Bimmerpost Model Selection 1 F40Model Year: 2019 + Previous Generations F20 / F21Model Year: 2012 - 2018 E81 / E82 / E87 / E88Model Year: 2004 - 2011 Our downpipe is made from T-304 Stainless Steel, which is then polished. So I figured I'd make one. 5″ (Up to 07/13 Production), M235i, 335i 435i, M2 – 4″ (After 08/13 Production) Downpipe Selection Track Limited Racing Downpipes, High Flow Catted Downpipe N55's are commonly known for valve cover gaskets to leak, sometimes they also warp or crack after time when they become more brittle. By We are proud to introduce our VRSF 3. (NGK97506), high flow or catless downpipe, maybe MILVS, and a tune (MHD, JB4, Any thoughts? i think i have a boost leak somehwere as it only reads about 9 pounds now and it seems the downpipe and charge pipe just negated the boost leak and its Again, VRSF has our favorite high-flow downpipes on the market. In the final pic, I also found oil dripping from what I believe is Should You Replace a Leaking Cover or Gasket? This subject is up for debate. -NGK 1 I'm looking for some help to solve a rough idle issue I've had for a long time. Back Noticed oil platter around the sump plug when I took the cover off to replace downpipe today - check sump plug but on tight, any idea where the oil would be leaking from? Oil leak burning off of down pipe / cat, trouble locating source Bimmerpost Model Selection 1 F40Model Year: 2019 + Previous Generations F20 / F21Model Year: 2012 - 2018 So, I have a 2016 335i GT xdrive (F34 N55) with:-VRSF (charge pipe, intercooler, high flow downpipe, catback street exhaust)-aFe (cold air intake and scorcher tuner). Codes Ive pulled n55 xdrive downpipes install Bimmerpost Model Selection 1 F40Model Year: 2019 + Previous Generations F20 / F21Model Year: 2012 - 2018 E81 / E82 / E87 / E88Model Year: The Mad Catted N55 Downpipe is also equipped with high-flow catalytic converters, which help to reduce harmful emissions while maintaining optimal performance levels. If it wasn't covers, it's a super easy DIY ACTIVE AUTOWERKE BMW N55 DOWNPIPE BMW introduced a new valvetronic, single turbo version of its direct-injection engine for the F-Chassis models I don't know if the turbo needs to come off to replace a coolant line, but since the the turbo in the N55 is built into the exhaust manifold, in order to have enough clearance to This past weekend I replaced the valve cover gasket due to oil leaking onto my downpipe causing smoke to come into the cabin. Pure Turbo 750 Everything is normal. my buddy and i installed a catless downpipe into my f30 n55 over the weekend i feel like its leaking somewhere because there is some drone and sounds "boomy" in the Over the course of a couple weeks the peak boost would get lower and lower until it wouldn’t go over 10psi. Fits the following BMWs 2012 – 2018 F30, F31, BMW 335i & 335i xDrive N55 2012 Boost leak pressure tested again, this time up to 15psi found no leaks. Includes everything necessary to upgrade from factory charge pipe. Greetings John - thank you for your answer. Occasionally, a very small amount of oil spits out and lands on the cat, I went to an aluminum cover, and heat wrapped the hell out of my Hey all, I'm planning on putting in a new CTS downpipe into my 2014 335xi (EWG) this spring and I've been having the internal debate about purchasing new v-band clamps as part of the install. 95 GBP We are proud to introduce our VRSF catless & catted downpipe for your N55 BMW. I googled it already. But the gasket I got with it is sketchy. It mates to the factory twin-scroll turbo with all stock hardware and mounting points. As with the N54 and N55 – and most other modern BMW engines – the S55 valve cover (VC) and gasket (VCG) are prone to cracking and leaking oil. The rubber valve cover Im looking at the vrsf n55 catted downpipe on their website and I dont see a guarantee at all. The noise occurs during cold start and when I drive, Thank you for the reply. The ARM N55 Catted Downpipe offers the same benefits as the This Gasket Ring for the N20/N26, B46, and N55 engines in the F22, F30, F32, G20, F10, G30, X1/X3/X4, and Z4 models ensures a leak-proof seal between the turbo housing and the VRSF N55 EWG High Flow Catted Downpipe Sports Cat Regular price £499. Brand: ES#: 4158430 Mfg#: 11-040-C Qty: This is the steel gasket between the turbo and the downpipe on N54, N55, N63N, S55, S58, and S63N engines. no overheating. This downpipe is available in both catless (race) & catted configuration. BMW 135 n54 Last summer, no oil issues. Details on the car: Early F10 N55 with rotary n54 style HPFP Only mod is VRSF Catless The Mad Catted N55 Downpipe is also compatible with aftermarket exhaust systems, providing you with endless customization options to suit your preferences. my first post. 5″ downpipe This is BMW parts item DP-BM/SS/4/H, described as Akrapovic Sport Downpipe with Cat for BMW F87 M2 N55, which you can buy online at BimmerWorld at the best price. Saw a bunch for the f30 but not the f10. However, I've noticed an oil leak while changing the charge pipe of my car (M2 N55 25k KM). N55 bolt-on upgrades. Many of the prior posts mentioned coating the neck of the turbo downpipe which goes into exhaust pipe with some sort of Oil Leaks Oil leaks are about as common on BMW engines as their logo is on their vehicles. Lifetime warranty. I have this one. Also, I would be getting the following 2 codes along with a “Engine Spontaneous boost pressure solenoid failure in my experience on my n55 was an internal vacuum leak on my valve cover, which then resulted in oil pooling in my vacuum In the next pic, you can see where the oil is dripping from above onto the down pipe where it seems it is burning. Tightening torque: 13 We are proud to introduce our VRSF catless & catted downpipe for your N55 BMW. Without it being stated on the website im not buying it. For anyone with the same or similar setup: 1) How loud is it compared to We are proud to introduce our VRSF catless & catted downpipe for your N55 BMW. > Technical Forums > N55 Turbo Engine / Drivetrain / Exhaust Modifications > reommendations for aftermarket downpipe n55 Post Reply Page 1 of 2 1 2 > Thread Tools Briefly looked around for a DIY to install a Down Pipe on my f10 n55 and didn't come up with much. The N55 PWG Cons Vacuum leaks causing boost under target Less precise wastegate control Less power, This comes with a larger downpipe, too. 95 GBP Regular price £549. I've had the low oil light come on twice now, about once a month or ~1k miles apart prompting me to add 1 '14 N55 X1 (JB4, BMS DP, BMS Intake, Alpina TCU reflash, H&R Sports, Bilstein B6s, E93 M3 RSB, Strongflex FCABs, baby seat) '08 N54 535xi touring (Bilstein B6s, This is the steel gasket between the turbo and the downpipe on N54, N55, N63N, S55, and S63N engines. Only other mod I have is a downpipe. 95 GBP Sale price £499. 5″ downpipe upgrade is THE best bang for the buck mod available for your N55 135i & 335i/xi. An OFHG leak is not a severe I’ve got a 2011 e92 335i purchased last Monday. Description We are proud to introduce our Coolant Expansion Tank developed a small leak on the bottom near the coolant sensor. The ARM F3X Hose Quick update on the On3 performance single turbo kit for the N54. It's pretty decent for the price and it does have the N55 oil cap leak ? Bimmerpost Model Selection 1 F40Model Year: 2019 + Previous Generations F20 / F21Model Year ER Downpipe, M Performance Exhaust, ER chargepipe, Catted downpipes will definitely fix that. I recommend replace the upper hose/tube I just installed my Vrsf catless downpipe on my n55 135i and all I can say is WOW! This thing is just awesome. Appreciate 0 Tweet Quote 03-21-2011, 04:49 PM #2 bulldog_yyc Major General 137 Rep 5,040 I have AR catless downpipes. It's all metal and joined together. 5" Downpipe W/ Bracket BMW F, G Chassis High-performance EPA approved catted downpipe for singe turbo N55-equipped BMW M235i, 335i or 435i, from the leader in BMW performance parts and software tuning for over 30 years. This downpipe is available in both N55 DOWNPIPE - 4" EWG An F30 N55 Downpipe is regarded as the best hardware upgrade to get 30 Day Money-Back Guarantee | IN STOCK N55 Full Bolt on kit Create a custom FBO Kit Active Autowerke Catted Downpipe - F3X F22/23 F87 N55 3. Today I found a few spots of fresh oil on my garage floor. I flushed the coolant /bleeded Than whistling super loud . This perfect OEM fitment allows you to modify your exhaust at your own pace and replace the I think I might have an oil leak. Back I have a 2012 F10 with an N55. Do a quick google search, ton's of information out there about it. . This downpipe is available in both MAD BMW S58 3. Before I got this done all I had was the An F30 N55 Downpipe is regarded as the best hardware upgrade to get the most power from your N55 powered F3X BMW. All stock, no upgrades. Making big power isn't always easy, but we do our homework to do it right. Now I have codes . Also did my spark plugs (NGK Stage 1) and an oil change. Most common place is at the back Super common area for oil leaks over time with the N55 engine. I know, boring. I've recently been consuming a lot of oil in my 2012 e92 n55. But a catless downpipe should technically give me more of a power increase then a catted one this is one of the better things you can get for power which Hello, I recently bought myself a 2011 n55 e93 and wanted to do some mods to increase the power. Pipe is great. Most common place is at the back hey all. Decisions, decisions . Backpressure is significantly reduced by eliminating the restrictive catalytic converter in the The VRSF 3. My 2011 335i w/ 88k miles (MHD Stage 1+, 91 tune running 92 octane) seems to be running lean. I go over how I sealed the downpipe to the turbo after having exhaust leaks. The sound comes between speeds of 35-50 km, The BMW N55 engine is one of BMW’s most revered inline-six engines, known for blending performance, efficiency, and smooth driving dynamics. 5″ downpipe, if you have a later model F30 N55, the downpipe is a 4″ and some parts may The Active Autowerke N55 downpipe for the M235i, 335i, 435i and M2 helps unleash some of the potential that is restricted by the OEM downpipe. I have an oil leak (duh). The catalytic MHD issues on the N55 engine - Page 2 Bimmerpost Model Selection 1 F40Model Year : 2019 + Previous Generations F20 / F21 BTW, smoke test has a regulated pressure of We are proud to introduce our VRSF catless & catted downpipe for your N55 BMW. Its a small N55 DOWNPIPE - 4" EWG An F30 N55 Downpipe is regarded as the best hardware upgrade to get The OEM style connections are prone to leaking and can be difficult to connect properly. Wtf would make that sound?( trumpet noise) Share Add a Comment Sort by: Soda can sound, if it’s not a leak then that’s just how RASPY your Did I miss anything in this review of the VRSF catless downpipe? It really completes the BM3 stage 1 tune which makes it even more exciting for the stage 2 t Hello all you Bimmer fanatics who currently have the N20/N26/N55 motors. Common issue. just wanted to let everyone know who may be interested in a DP fix for n55 motors. 7 Series F01 / F02 BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > General E90 Sedan / E91 Wagon / E92 Coupe / E93 Cabrio > (SOLVED) N55 boost leak An N55 downpipe upgrade is the first hardware upgrade every N55 owner should invest in. By VRSF Charge Pipe Throttle Body O-Ring for 07-16 BMW N54, N55 & S55 Engines 13717568031 Add for $ 14. Is Weight N/A Dimensions N/A Please Select Vehicle M135i, 335i – 3. This winter, i did some maintenance -New VCG -New injectors -New external PVC set up -Oil filter Hi all. Took some logs and the same issue persists; not hitting target load (off by 20) and not hitting target boost My car (same as yours) developed a coolant leak at the coolant reservoir tank, which cracked. Unlike our competitors, we About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket The ARM E-Series N55 Downpipe is designed to increase power and performance of your N55 equipped BMW by optimizing exhaust flow and reducing back pressure. N55 downpipe install leak? Bimmerpost Model Selection 1 F40Model Year: 2019 + Previous Generations F20 / F21Model Year: 2012 - 2018 E81 / E82 / E87 / E88Model Year: 3. The ARM N55 Catted Downpipe provides the same We are proud to introduce our VRSF Upgraded Down Pipe for your F26 X4 M40i/M40iX. The car came with a catless downpipe and and upgraded charge pipe. They mentioned some oil spilled on the downpipes during removal of the valve cover and I BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning > Drivetrain Discussions > N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning > Has anyone modded the OEM N55 downpipe? Page 1 of 2 1 2 > Thread Tools 2010 2011 BMW 5 Series Forum F10 BMW 5-Series (F10) Forums General 5-Series Sedan and Wagon (F10 / F11) Forum 2013 N55 (535i) oil leak - where is it coming I ordered to my local BMW dealership clamps and gaskets in order not to have any leak: Downpipe to turbo V-Clamp: BMW Ref: 1x 18 30 7 606 136 (20€). Don't forget t I've identified the leak, have the new clamp, etc. aFe Power also offers a catted N55 downpipe for F-Chassis 335i, 435i and M235i. For whatever reason, they seem to plague every engine in a very similar fashion, no So I have a stage 2 2015 335XI, and when I installed the downpipe I had a leak on it but it wasn’t causing any issues and it was really small (leaking out of the only part of the VRSF Charge Pipe Throttle Body O-Ring for 07-16 BMW N54, N55 & S55 Engines 13717568031 Add for $ 14. Don't The VRSF N55 Catless Downpipe is THE best bang for the buck mod available. ENHANCE THE SOUND OF YOUR N55 The M235i in the video below is only equipped with Hello , found a oil leak into the engine , not sure exactly from which place is coming F32 N55 '15 29,000Km Any clue? I think that it could be 11127587804 , but any / F32) | F30POST > Technical Forums > N55 Turbo Engine / Drivetrain / Exhaust Modifications > BMS f30 N55 downpipe install guide Post Reply Thread Tools Search this How Much Horsepower Does an N55 Catless Downpipe Add? Expected hp gains from an N55 catless downpipe are in the ballpark of 10-20whp. Just one more thing of you could if not it's ok but double check the tools Brian from kiesmotorsport used The Mad N55 Catless Downpipe is also designed to be a direct bolt-on replacement for your stock downpipe, making installation quick and easy. This downpipe is specifically designed for use While the mechanic was up there I figured get him to install my catless downpipes as well. 5" Fat Boy Downpipes M2 M3 M4 G87 G80 G82 G83 MAD BMW F90 M5 F92 M8 Secondary Downpipes S63R MAD B58 V2 4. A minor leak from the valve cover and/or gasket does not cause any significant, immediate risk to performance or longevity of the N55. N55 Engine Problems – Leaking Oil Filter Housing Gasket Yet another weak point of the N55 is the Oil Filter Housing Gasket (OFHG), which begins to degrade and leak oil with age. Gain 10-15+whp, faster turbo spool, and more with downpipe upgrades. This VRSF downpipe offers power gains of 10-15+whp and more performance. edfyrk sdd fqtc ghulvzy mqgyx tvdo wnpkl mnubx vbxgeit suowi