Bringing the highest quality N54 and N55 turbo kits to the market. We offer built long block and shortblock options. All motors are hot tanked, checked for cracks and distortion before proceeding with the build. Tolerances and clearances are double checked prior to final assembly.

BMW N54 CSS (Cylinder Support System USA Closed Deck) Block 1000hp rated close deck.

Sep 30, 2021 · Specs for the BMW N54 inline-6 twin turbo engine are as follows: Forged crank & rods. Cast pistons. The BMW N54 engine utilizes a twin turbo, direct gasoline injection design. It’s the first mass production engine from BMW to feature this technology together. An aluminum open-deck block and aluminum head help keep weight down.

Inspecting cylinder for cracks, external damage, bearing surfaces and that the correct matching maincaps/bedplate are with block. If you are unable to do these inspections, please contact us for a quote to inspect your block before any work is performed.

The N54 was produced alongside the naturally aspirated BMW N53 engine; both engines have direct injection, double-VANOS (variable valve timing), an open-deck engine block [4][5] and an electric water pump. [6][7][8] Since the N54 is based on the older BMW M54 engine, it has an aluminium engine block (instead of the magnesium alloy used by the ...

Aug 17, 2009 · Very very different engines - N52 is actually the more advanced design, lighter with magnesium and aluminum constuction, N54 is also a 2 piece design, but an all aluminum engine, so block, heads, intake, pretty much everything is different except some of the accessories that bolt onto it, like the electric water pump, alternator etc. N54 is also...

Dec 6, 2024 · The N54 engine block is a remarkable feat of engineering, specifically designed to boost the performance of a variety of BMW vehicles. With its advanced design and robust features, the N54 block not only enhances power output but also sets the stage for future upgrades and performance enhancements.

Jun 21, 2017 · Excellent thread, I was planning on rebuilding my own N54. You should add a list of the tools you used to dissemble as well as assemble the engine.

Jul 27, 2016 · It seems >600whp is where wear and tear are really amplified. My goal was to find a N54 long block with low-moderate (<75,000) miles on it, $2,000 or less was the price I was hunting for.

Dec 24, 2024 · Engine compression test should be above 10 bars (145 psi). So, in the end, I'd rather taking engine out, rebuild the block. I'll have it in hand to fix seals and gasket issues. I …