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BMW e9X 325i (N53B30) 218 > 265 BHP
22-02-2019, 14:17 PM,
Post: #1
XZBMW  BMW e9X 325i (N53B30) 218 > 265 BHP
Hi, I'm looking for this map (can't find anything in search).
Basically N53 325i uses the same engine as N53 330i. It's possible to tune 218 BHP up to 265 BHP with only software (no 330i intake manifold needed).

Thanks!
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22-02-2019, 21:10 PM,
Post: #2
RE: BMW e9X 325i (N53B30) 218 > 265 BHP
Only if you have 3-stage disa manifold, then yes. The extra hp comes from utilizing the manifold correctly.
Then you have to worry about power class coding, or custom tune.
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03-05-2019, 20:29 PM,
Post: #3
RE: BMW e9X 325i (N53B30) 218 > 265 BHP
Multiple tuning companies offer 265HP upgrades without 3-stage manifold. Apparently manifold only responds for roughly 10 hp increase. 325i throttle suppose to be limited by software and with the map it opens wider that allows to get gains closer to 330i.
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03-05-2019, 21:25 PM,
Post: #4
RE: BMW e9X 325i (N53B30) 218 > 265 BHP
That's where you are being misled. The 265 hp dynos all show 3 distinct power changes from DISA.
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