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looking at a 2004 545 I



i tend to not look for cars that have no pictures, so id op on the first one plus its cheaper and not to bad mileage either
 
POS motor, My friend is a master mechanic for BMW & tells me the horror stories... The prior E39 4.4L is miles & miles more reliable. Unless you got lots of cash to spend on cars, don't bother with a BMW 5,6,7+ series. An E60 528 would be ok, but still some things haunt the E60. Have a serious look at an 02-03 540i - they are a very good choice.
 
The 4.4 liter in the 545i is a problematic engine. Valve seals, fail and need to be drillled out to be replaced. Oil leaks are very common and expensive to repair. the n54 535i and 335i are far better options and more mod friendly if you chose to go that route.
 


Probably never blow up on you but they will dollar you to the poor house. Or in the case of these cars $500 or $1000 you to the poor house. I had two BMWs and loved both. Once the 540i got close to the end of the extended warrenty I had to get rid of it.
 
BMW + LSx swap =
51732598-0e1d-43bd-92d4-36b49ea9b2f9.jpg
 
after reading the forums it seems the 335's the 545 are all plagued with expensive issues ranging from transmission, head, and turbo failures all in the 4Kplus range. Hell even the water pump is 1700 at the dealer. the only ones I can afford are just coming off of warranty. Maybe ill just get a 11-12 maxima or something
 
As for the VQ35 engine be careful of anything near 100k miles on the odometer. The VQ35 has a nylon timing tensioner that needs replacing at about that mileage and it is also an expensive repair.

Other than that it is a solid engine.
 
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