Sep 16, 2008 · You're talking about custom engine mounts to get it in, the price of the engine itself, and a lot of wiring harness and DME work as the E39 is about a generation behind the cars using the N54. You'd probably be able to use E39 parts-bin upgrades for the suspension and brakes to handle the extra power, and the stock trans might be okay since the ...

Feb 24, 2014 · You can get just about anything to fit... eventually... But an N54 into an E39 will present a lot of complications. I imagine you'd need to completely overhaul the electronics (i.e. basically swap the complete electronics from a 335i into the E39) as very little will be compatible.

Whether your N54 is stock or running a large single turbo set up, this guide will ensure your engine is running at its best. Basic maintenance/repairs for STOCK N54s: Spark Plugs and Ignition Coils.

Nov 22, 2020 · I think the E39 would accept a LS engine swap fairly easy and the electronics is a lot easier to solve on that platform. The old E39 is barely bigger than the E90 platform as well but most of its size difference is in the engine bay.

Apr 27, 2015 · The M54 is more a reliable engine compared to N54 but if some of common failure items have been replaced or dealt with it such as the HPFP (High Pressure Fuel Pump) and the injectors then I would consider that engine reliable too.

Originally a car purchased as a daily driver and not to be modified, my 2002 E39 530iT is up for an N54 + 6 speed manual conversion. As this vehicle is still a daily driver, I've also picked up a 2003 520i insurance write-off to use for development / mockup - the pictures below will be of …

Jul 27, 2016 · After the initial tear down I sold the oil filter housing, wiring harness, HPFP, and i12 injectors for $950 so I know had a free N54 engine.

Feb 17, 2018 · I picked up an E39 touring to use as a temporary "beater" while the e61 undergoes some repairs. At the time of this initial post I have had the E39 for 5 months and it has received a tone of obligatory maintenance and a few choice modifications to reflect my automotive style.

Aug 30, 2013 · From the stock 2003 e39 530i engine: M54B30 3.0L naturally aspirated straight-6 that used in 2000-2003 E39 530i, Power is 231 hp (170 kW) at 5,900 rpm while torque is 221 ft·lbf (300 Nm) at 3,500 rpm.

These kits are made with high temperature automotive grade wiring that resist oils, grease, and acids. Continuity tested on every wire during construction. Wrapped in high temperature expandable nylon sheathing to resist abrasion. Instruction sheets are included with every harness kit.