N54 but for NA the N52 is king. N53 is all the n54 problems with no turbos to make up for it. N51 is just an n52 that is ruined by SULEV emissions equipment
2026-03-01 02:14:32
76
Chasen :
n51 is better than n52 because the intake manifold is 3 stage whereas the n52 has a single stage
2026-03-01 19:30:28
2
anton :
M57 and it’s not even a conversation
2026-03-01 15:58:21
29
Jayden_steele :
N52 gang
2026-03-14 15:07:00
9
Raimund :
N52 next question
2026-04-26 00:23:02
1
Jake The Dog :
N52. All the benefits, and reliability, no carbon build up. Simple easy, good
2026-03-01 23:23:43
16
sr32s54 :
There are n52 that makes 272 hp, any 30i lci version
2026-03-08 06:32:42
1
chase :
n52b30
2026-02-28 23:27:54
12
Linus :
n52 and n53 making both 268hp stock
2026-04-15 21:02:46
3
🦇 :
n52 on top😝😝
2026-03-03 19:47:56
5
BadbusinessVancouverBC :
N52 can archive 350Hp higher pressure fuel injector system larger exhaust manifold on both sides. I drill a small 15mm hole passengers side exhaust manifold. at first exhaust blow some unburned gas I keeped using throttle body cleaner it cleared & clean rear oxygen sensor to recorrect fuel mixture. 290HP was archive tons of 220 KM/H 137MPH 7000 RPM 123 Mph 198KM/H HOLD for 5 minutes duration over 5x. with 3x Rev X oil Amsoil 5W30 + add a 1L 20W50 racing Oil one time. Royal Purple 5W40 8500KM (5300miles) oil change.
2026-03-18 19:20:58
0
slump🛐 :
Oh yk ball! dnt even mind the metal snail..
2026-03-04 04:38:55
2
MildyFastAF :
if the n53 was in the US it would’ve been easier to make more N/A power
2026-03-01 18:20:46
1
Adam Oski :
My first n52 in my 06 330i developed a mysterious misfire at 192k miles. So in with a 60k mile n52 from a z4 3.0si. In all fairness, I’m the fourth owner and at 150k ish miles, while doing the vc gasket I found the exhaust cam vanos motor unplugged. No lights on the dash the whole time. Do what u will with that info🤣
2026-03-02 06:23:48
0
Marzoq ❤ :
N43
2026-03-01 09:38:57
2
montana.ak0 :
I have n53 with 313.000 km
2026-04-12 12:44:34
1
bmwlad24 :
n52
2026-03-01 02:22:24
2
Mando 🇲🇽 :
How is this even a question? N52 is great, N51 and N53 are dogshit 💀
2026-03-02 18:52:34
0
Casper :
n52 330i with 3 stage intake🙏
2026-03-06 13:24:00
1
BLK56 :
M57
2026-03-01 18:14:25
1
Rodney :
I got n51. Dman cat codes are killing mee
2026-06-24 14:43:18
0
Jace🫶🏽 :
N 5 4
2026-04-13 22:17:10
0
R00sid :
N52 ofc
2026-04-03 06:01:21
0
:p :
Cool fax
2026-08-10 16:33:21
0
Dome :
N52 made 265 in the Z4 3.0si
2026-03-01 09:31:33
0
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