Yr2005 520 is still using the old engine.. Old gearbox and its the key start model . This particular batch of 520 is well known to be problematic especially after 3 years.
First it will be active steering problem , 1 in 3 gets that.. Then the gearbox.. Almost guaranteed to give u problem after 120k km or even earlier . Then air con compressor.. Then electrical and many sensors.
I would suggest u get the new facelifted 520i which is produced in 2008.. Its inline 4 instead of the old inline 6 but its a much better quality build and has improved reasonably frm the older batches.. If budget permits a 523 or 525 will be even better.
Maintenance fee is not high.. I would say about the same or maybe lower than a modded evo.. An oil change ranges between 200-300 every 10k km to 15k km .. Brake pads cost about 800-1k for all 4..
After 80k km.. My previous car has got many problems already.. Which was also the notorious 04/05 520i .. Which is why it was replaced by the 523 eventually in 2006..
80k km.. Lightbulbs start to blow.. ( 200-300 bucks ) bushings and mountings ( 1k - 1.5k ) my steering rack n pinion was leaking ( warranty ) air con compressor 1k.. Water pump + thermostat ( warranty )
Most wear and tear parts are easily replaced , the only problem u will worry the most will be electrical.. Car can happy happy come out christmas tree warning light ( famous in the old 520 )
Coming frm an ex 520 owner I would say get the 523 or the Facelifted 520 instead.. I would say only look at facelifted model.. The pre facelift models also have an inferior interior quality in my opinion..
Honestly.. Merc and audi is better..
