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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Difference between N54 short block?



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      12-04-2019, 05:43 PM   #1
jwramr
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Difference between N54 short block?

Trying to source an engine for my 2012 335is vert.

Part number from real oem is 11002155828, N54B30A, Short Engine

Details:
11002155828
Short Engine
N54B30A

From:01/01/2009To:-Weight:148871.120 kgPrice:
Supersedes:
11000415043(06/01/2006 — 02/03/2011)
Part 11002155828 was found on the following vehicles:
1' E88   (11/2006 — 02/2010)
1' E82   (11/2006 — 06/2012)
3' E90   (03/2006 — 09/2008)
3' E90 LCI   (07/2007 — 03/2010)
3' E91   (03/2006 — 08/2008)
3' E91 LCI   (07/2007 — 02/2010)
3' E92   (06/2005 — 02/2010)
3' E92 LCI   (07/2009 — 06/2013)
3' E93   (10/2005 — 02/2010)
3' E93 LCI   (09/2009 — 10/2013)

==============

Found a short block for sale. Re-manufactured (they call it exchanged) and sold through BMW - 0 miles on engine:

11002155837
Exch. short engine
N54B30A

From:01/01/2009To:-Weight:148871.120 kgPrice:
Supersedes:
11000429711(03/01/2007 — )
Part 11002155837 was found on the following vehicles:
3' E90   (09/2006 — 07/2008)
3' E90 LCI   (07/2007 — 02/2010)
3' E91   (09/2006 — 08/2008)
3' E91 LCI   (05/2008 — 02/2010)
3' E92   (03/2007 — 02/2010)


===========================

Question: Other than swapping out the oil pan (this was an xdrive engine) how are these two short block N54B30A different?

The BMW tech was saying that the one for my car is a higher output. I found this posted online...below...am I to learn from this that the 07 short block N54B30A makes 38 less HP and 30 less tq then the 2012 N54B30A?

BMW N54B30 engine modifications
225 kW (302 hp) @ 5800 400 N·m (300 lb·ft) @ 1400-5000 7000 84 mm (3.3 in) 89.6 mm (3.5 in) 10.2:1 2007-2010
240 kW (320 hp) @ 5800 450 N·m (330 lb·ft) @ 1500-4500 7000 84 mm (3.3 in) 89.6 mm (3.5 in) 10.2:1 2008-2010
250 kW (340 hp) @ 5900 450 N·m (330 lb·ft) @ 1500-4500 7000 84 mm (3.3 in) 89.6 mm (3.5 in) 10.2:1 2011-2016
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      12-05-2019, 08:48 AM   #2
nissubaru
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The number of bolts on the crankshaft is the only other thing besides the oil pan that you need to worry about. I would assume a 2012 335is is a 6 bolt motor so an 07 would not work as it's an 8 bolt. They changed to 6 bolt around 1/2009

Technically an 8 bolt would work, however you'd need an 8 bolt flywheel to go with it.

You can also look around for Z4 35is motors, X6, 535i, etc...the N54 came in a handful of cars
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      12-05-2019, 10:25 AM   #3
Jeef
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if you get other models you may need to move your oil pan to the new motor. 535i has a different pan.
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      12-05-2019, 03:50 PM   #4
jwramr
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Quote:
Originally Posted by nissubaru View Post
The number of bolts on the crankshaft is the only other thing besides the oil pan that you need to worry about. I would assume a 2012 335is is a 6 bolt motor so an 07 would not work as it's an 8 bolt. They changed to 6 bolt around 1/2009

Technically an 8 bolt would work, however you'd need an 8 bolt flywheel to go with it.

You can also look around for Z4 35is motors, X6, 535i, etc...the N54 came in a handful of cars
cool - yes - confirmed the 6 bolt crank...thanks
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      12-05-2019, 06:03 PM   #5
WoodE30
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Bmw calls it a short block even though it is a long block, top and bottom ends.
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