Full Answer
How much HP can a stock N54 hold?
A large turbo like a PT 6466 or 6766 can probably hold 700whp on the stock N54 engine. We quoted 600-650whp to be conservative. Though, 600whp is getting aggressive for small TD03 twins.
How strong is the N54 crankshaft?
The N54 crankshaft is likely the strongest part of the entire motor. By far. We're referring to the cylinder head including all valvetrain parts. Valves, springs, lifters, camshafts, etc. These parts are all very strong and typically hold well past 700whp. Random failures within the cylinder head can occur, but it's not terribly common.
How much power can a bigger turbo add to a N54?
A larger turbo flows more efficiently and makes more power on lower boost. Less charge air pressure and less back-pressure are both great things for N54 longevity. A large turbo like a PT 6466 or 6766 can probably hold 700whp on the stock N54 engine.
How does the N54 make 680whp?
Shifting the power curve right allows the N54 to make more power at a given peak torque. For example, 550wtq at 5,252 RPM's is 550whp. If you can hold 550wtq to 6,500 RPM's then you're making 680whp. Both N54's are driving the pistons and rods down with the same force.
How much HP does an S54 have?
VersionsVersionDisplacementPowerM54B222.2 L (2,171 cc)125 kW (168 hp) at 6,100 rpmM54B252.5 L (2,494 cc)141 kW (189 hp) at 6,000 rpmM54B303.0 L (2,979 cc)170 kW (228 hp) at 5,900 rpmS54B323.2 L (3,246 cc)252 kW (338 hp) at 7,900 rpm
Is the S54 reliable?
Given the S54 is a high performance engine, standard maintenance is generally a bit more expensive than the average car. Additionally, many S54 engines on the road today are 15-20 years old. There are a few "problems" that may arise due to age, mileage, and wear and tear.
Does S54 have forged internals?
Mahle Motorsports S54 pistons are forged for strength, light weight, and low drag to be a more specialized application than stock BMW pistons. Factory BMW pistons are cast aluminum, which is fine for the intended power output and durability.
How much horsepower can you get out of a E46 M3?
The owner estimates the M3 is making around 355 horsepower (265 kilowatts) at the crank, versus an original output of 333 hp (248 kW). The M3 makes two runs on the dyno – one in regular mode and one in Sport.
Is the S54 a racing engine?
We have built the S54 for a variety of racing series and customers, from entries into BMW Club Racing, Grand Am, endurance racing, and professional series throughout the world....The S54: BMWs finest inline 6 platform made into a class dominating engine by VAC.Price (USD)On request, based on powerAspirationNatural9 more rows
Which BMW has the S54 engine?
Since its release in October 2000, the E46 M3 has become one of the most beloved BMWs of all time, mainly because it was equipped with an incredibly good engine, the iconic S54.
Are S54 pistons forged?
Mahle Motorsports S54 pistons are forged for strength, light weight, and low drag to be a more specialized application than stock BMW pistons. Factory BMW pistons are cast aluminum, which is fine for the intended power output and durability.
What is a BMW Zhp?
Much like the Camaro's 1LE package, 'ZHP' is short-hand for BMW's 'Performance Package. ' It was only available in the US, BMWBlog reports, and in Canada under the 'ZAM' code. It was an E46 exclusive, sold from 2003-2005 for the BMW 330i sedan and 2004-2006 BMW 330Ci 2-door coupes and convertibles.
How much does it cost to tune an E46 M3?
E46 m3 tuning Mafless tune from $1,450. This is designed for cars with custom air intakes where fitting the factory air flow meter becomes difficult. Includes an air temp sensor wired and fitted.
How do I get more power out of my E46 M3?
To boost power, the plastic airbox can be replaced with the S54B32HP carbon fiber airbox that came on the E46 M3 CSL. The CSL style airbox eliminates the MAF sensor, so it also requires special MAF-less tuning often called “Alpha-N”. An air box like this could net another 15-20 WHP.