N62 power mods for 2004 bmw 545i
11-02-2022, 07:27 AM
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My Ride: 545i
N62 power mods for 2004 bmw 545i
so I recently acquired a 545i with 60k miles. The car is completely stock and I want to milk every bit of power out of this german v8. I've already replaced the alternator bracket, valve cover gasket, intake gasket, and theres currently a reduced power engine light that goes away and comes back every once and a while so most likely another gasket I'll have to hunt down. Because of this, I'm on a tight budget, so I'm planning on keeping the car N/A. I'm ordering an RPI axel back exhaust, and if it's not loud enough I might do a resonator delete. I was wondering what the best supporting mods would be. I assume that an intake and a tune would help. Would this get me to around 350hp? If not, what would be the next step. (other than fixing the christmas tree lit up on my dash)
11-02-2022, 10:07 AM
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not happening. youll be lucky to squeeze 250 WHP out of that thing. just fix the issues and enjoy the slow v8 noises lol.
get a 535 if you want to go fast.
get a 535 if you want to go fast.
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Carter's 545i (11-03-2022)
11-02-2022, 11:33 AM
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My Ride: 05 530i M54
Model Year: 05 530i
Engine: 3.0 M54
Do a smoke test to figure out if you have a vacuum leak. You're definitely not getting 350 more out of that engine safely.
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Carter's 545i (11-03-2022)
11-03-2022, 07:32 AM
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My Ride: 545i
The car feels like it's at stock power, the reduced power light went away and now I'm just left with a service soon light. I'll pull the codes soon, I think it's probably a sensor. I just dropped a bag on this car so I want to enjoy it a little bit before upgrading to the N54 platform, and hey, if I save up enough I might start looking at some B58 models instead. I've heard great things about the platform.
11-03-2022, 07:39 AM
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My Ride: 545i
How come? It's low mileage and it's been taken care of. After I replace all of the outdated gaskets and parts here and there I've heard that I'll have a reliable engine... as long as I check the oil everyday... I've heard of people supercharging the N62 platform with no major issues, from what I currently know, the platform has some potential. Am I wrong?
11-03-2022, 08:57 AM
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cost to power ratio aint it. if youre driving a 545 and saying youve "dropped a bag" on basic maint, youre probably in for a big surprise when you try to find a supercharger kit (if they are still available), that MAY net you an additional 50 hp lmao. theres a reason you dont see many of them. its just not worth it. 535 are so cheap right now I dont even see why you would choose the 545 if power is what you wanted.
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