Strange you had so much wear while my engine was pristine in terms of pistons and cylinder and crank when my failure occurred while running preatty much 16 psi upwards of boost. Performance engines in spring and houston abr houston abr houston's punisher series engines. If there is an oily residue, then your engine is burning a little oil from somewhere. We check crankshafts for any wear, then we polish and check them for straightness. The car has been running either a remap or Procede for about the same mileage as well about three years Thanks for posting this, it is very valuable for the N54 community.
It was purchased with roughly 85,000 miles on it and came with a nice folder full of service records. I did not own too many cars prior to my 335i, however, I can attest to the fact it is the most mod friendly and community friendly platform I have experienced. N54 Leaky or Clogged Fuel Injectors The run hand in hand with the high-pressure fuel pump we discussed earlier in this guide, so I guess it is no wonder that these are a common N54 engine problem as well. Overall the car has been good to me and I didn't forsee any issues coming up. If the index is 10 or less, all 6 injectors in an inline-6 engine must be replaced. Camshaft lock installed Chainguide mounting plugs removed Timing chain tensioner removed, make sure to pump it a few times to evacuate old oil and also replace the aluminum seal.
The unixnerd's domain bmw n54 and n55 six cylinder turbocharged bmw n54 engine. It's clearly visible that both the intake and exhaust valves are stuck open. Original parts for e92 335i n54 coupe engine cylinder head cover online shop for bmw and mini car parts. We no longer ship long blocks, we require the vehicle to be brought to our facility for engine removal and installation. No need for metal really other than bling. What car are you using whilst your beauty is being 'refurbished'? Read our guide on the to learn what to watch for, and how to minimize N54 reliability issues! The junkyard n54 engine rebuild and refresh n54tech the junkyard n54 engine rebuild and refresh n54tech international turbo racing discussion. Our engines come with a minimum of 24 months unlimited miles parts and labor warranty, we offer installs at our shop in Oklahoma.
Our competitors claim they have a better head- we tend to disagree. This post is going to cover the most common N54 engine problems, along with the symptoms and error codes to be able to identify them. Every engine we assemble has a build summary with torque specifications, tolerances, and clearances are documented. The Nurburgring doesn't actually pose that many challenges to an engine - if anything, a circuit like Laguna Seca is more demanding on an engine in terms of oil lubrication and starvation because it's a much smaller track with greater frequency of corners within the same time frame. The piston had lost a chunk of material on the corner and the rings were badly worn.
You are right - the combustion chamber filled with oil is 5. Simply put, the N55 is more reliable. Walnut Blasting your N54 to Remove Carbon Build-up Once your N54 hits roughly 45,000 miles, it likely has a good amount of carbon built up inside of the valves. Why are our head studs more expensive? It appears that one of the intake valves in this cylinder may leak oil by the shaft. Zach, many thanks for your reply, that helps a lot.
The rebore also has added benefit in that it removes the scoring from the walls and any extraneous debris that might be found. Connecting rod bearing and valve springs are common failure items on S85 engines. Typically 650 hp on a stock cylinder head takes about 30 psi. Cylinder walls had absolutely no grooves or damage of any kind. I think this is because of failing turbos.
Reversion is the process of exhaust gases entering the combustion chamber as the gases interact with each other; this creates higher temperatures, less power, and higher emissions. Bmw engine water pump and thermostat kit eeuroparts® engine water pump and thermostat kit n54 100k10365 main image. Got a new one from fcp euro with lifetime warranty. Many of the components used in this build are kept in stock, but some require individual engine specific measurements. Replacing the turbochargers is extremely expensive. Coming out pretty well overall, just a bit left involving mostly the bottom of the motor.
On top of that, I will cover general maintenance tips to reduce the possibility of these engine problems, as well as repair and replacement options in the case that you fall victim. I want to know how long it would take to fix both of the turbos and how much would it cost me? Also, evident scoring can be observed on the cam trays. Yours will be fantastic when its finished, good choice to have the head ported and polished as well, Some good pictures of that process on this website. Didn't have the proper tool to remove this vacuum pump gear access plug from the front and on my old engine I was able to pop it out from the inside working by the oil pump with a long pry bar. Last set of 5 sets of turbos, i turned around in 2 weeks. Again why there is abnormal wear here is unclear, but what is certain is that this wear is not a result of increased power from the engine. Over the last year we have been testing and designing parts to bring you only the best forged engine components.
Each 3 cylinders on the same firing cycle feed an individual scroll of the turbocharger which reduces exhaust reversion. Velocity factor 2008 bmw n54 335i vfr auto blog n54 performance parts track day essentials air intake and exhaust systems. I actually had my turbochargers replaced on my 2007 335i under the extended warranty a story for another day. It broke and the timing chain chewed it up and sucked belt bits into the engine. Upgrading your chargepipe is a good preventative modification. But this is also nothing major at all. I've been using a catch can for the last 40,000 miles - it is emptied approximately every 5000 miles.
I guess the combustion chamber with a lot of oil in it is 5, right? Idles perfectly, no more lag or studdering at max throttle. Our process includes full rebuild of the cylinder head, including cleaning, new valve guides and valve stem seals, valve job, resurfacing the cylinder head etc. Don't want to rebuild the turbo yourself, check out the , thanks. What would you recommend I do next? The Wastegate controls the outflow of exhaust gases away from the turbochargers. Maintenance to Avoid Fuel Injectors getting clogged Alright, there are 3 main things you can do that will be astronomically beneficial for your N54: these will help reduce the chance of your injectors getting clogged. Some of the supporting hardware such as valve cover gaskets and water pumps are common issues on each, and will likely be for the distant future. My wife had a leak for a while and kept driving and adding oil.