Engine noise difference? 325 v. 328 - BMW Forum - BimmerWerkz.com
3-Series (E36) Chat relating to the BMW 3-Series from 1992-1999. Autodoodad Specific models include: BMW 316i, BMW 318i, BMW 318iS/ti, BMW 320, BMW 323, BMW 320, BMW 324, BMW 325, BMW 328.

 
LinkBack Thread Tools Display Modes
#1 (permalink) Old 05-29-2003, 01:28 AM
1st Gear Member
 
Join Date: Apr 2003
Posts: 163
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
nosuchsol is an unknown quantity at this point
(Thread Starter)
Hey Guys,

When I was shopping for my car I drove 2 325i's and 2 328i's. Both the 328s were '99s and the
325s were 2001/2002. On both of the 325s the engine noise was much louder than in the 2.8l
Was this something that BMW "engineered" into the new 3-series to make it a little more sporty
or is the 325 just a louder engine. (I don't understand why they would be louder if everything
else is about the same. One 325 was sports and the other was not.
nosuchsol is offline  
Sponsored Links
Advertisement
 
#2 (permalink) Old 05-29-2003, 03:50 AM
SpeedsterBMW
Guest
 
Posts: n/a
Mentioned: Post(s)
Tagged: Thread(s)
Quoted: Post(s)
the new 3's are much louder, and agressive sounding then the E36's......even the 325 sounds deep, the 330 sounds REALLY deep, both of our 330s vibrate a section of our house
 
#3 (permalink) Old 05-29-2003, 07:21 AM
1st Gear Member
 
Join Date: Apr 2003
Posts: 163
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
nosuchsol is an unknown quantity at this point
(Thread Starter)
They were all E46s.. 328i apostrophe s =)

Is the Vanos system that much different between the 2.8, 2.5 and 3.0? Or is it more
of a shielding issue?
nosuchsol is offline  
#4 (permalink) Old 05-29-2003, 08:10 AM
SpeedsterBMW
Guest
 
Posts: n/a
Mentioned: Post(s)
Tagged: Thread(s)
Quoted: Post(s)
Quote:
Originally posted by nosuchsol@May 29 2003, 07:21 AM
They were all E46s.. 328i apostrophe s =)

Is the Vanos system that much different between the 2.8, 2.5 and 3.0? Or is it more
of a shielding issue?
o i thought you said 98....i believe bmw stepped up the exhausts on the 325/330 because i remember our 323 convertible, it was very subdued, but when i drove a 325, it was very nice and agressive....
 
#5 (permalink) Old 05-29-2003, 11:55 PM
You Can Has A Custom Title!!
 
Join Date: Dec 2002
Posts: 2,276
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
donutchow is an unknown quantity at this point
compared to my car, the 3 series is DEAD SILENT. i couldn't even hear it until it hit 4k rpm in each gear. that car was SLICK! the 330 was a little lower growl but still really quiet. with the radio on there was no engine noise. speedster, remember you have dinan mods to make the exhuast louder.

Founder of the 3 pedal club, the first actual club on BMW-Forums.
donutchow is offline  
#6 (permalink) Old 05-30-2003, 01:23 AM
You Can Has A Custom Title!!
 
Join Date: Nov 2002
Location: UMBC, Maryland
Posts: 2,329
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
woobiee has a reputation beyond repute woobiee has a reputation beyond repute woobiee has a reputation beyond repute woobiee has a reputation beyond repute woobiee has a reputation beyond repute woobiee has a reputation beyond repute woobiee has a reputation beyond repute woobiee has a reputation beyond repute woobiee has a reputation beyond repute woobiee has a reputation beyond repute woobiee has a reputation beyond repute
Send a message via AIM to woobiee
i found that the newer E46 have a deeper sound...is it just the exhaust? cuz i like that nice deep sound.
woobiee is offline  
#7 (permalink) Old 05-30-2003, 03:00 AM
You Can Has A Custom Title!!
 
L337E46's Avatar
 
Join Date: Dec 2002
Location: Nor Cal
Posts: 4,708
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
L337E46 will become famous soon enough L337E46 will become famous soon enough
Obviously the engines are supposed to sound different...

1998 (1998 for euro versions)-2000 323i's and 328i's use a m52 tu engine

For 2000 models on up 325's and 330's used the M54 Engine

M54 engine:

Purpose of the System
The M54 engine was development to meet the needs for ULEV compliancy for emission control. The increase in displacement allows the engine to kit the X5 All Roads vehicles while still meeting the demands for power and performance.

Introduction
The M54 - 6 cylinder engine is being introduced with the 2001 model year E53 - X5. The displacement of the new engine for the X5 is 3 liters and the engine will replace the 2.8 liter engine in the E46/E36-Z3 series in the 6/2000 and E39 series vehicles in 9/2000 production in the E46/E36 Z3 and E39 vehicles.

Although the E53 X5 with the M54 engine will be LEV compliant, the M54 - 3 liter displacement engine meets ULEV compliancy, for emission standards, for the balance of the product. The 2.5 liter version of the M54 engine will remain LEV compliant.

Design objective for the M54 engine were to provide

* Lower emissions
* Maintain Fuel Economy
* Maintain Power and Performance levels.



Specs on the M54-B30
231 bhp @ 5900rpms
300Nm @ 3500rpms (221ft.lbs)
Bore 84mm
Stroke 89.6mm
Compression 10.21


Specs on the M54-B25
192 bhp @ 6000rpms
245Nm @ 3500rpms (180ft.lbs)
Bore 84mm
Stroke 75mm
Compression 10.51


M54 Engine - Mechanical Changes

NEW PISTONS - The piston has a shorter skirt compared to the M52TU and continues with the graphite coating for friction and emission reducing measures. The piston rings have been modified to reduce friction.

CRANKSHAFT - The crankshaft for the 3 liter M54 is adopted from the S52-B32 - M3 engine. The crankshaft for the 2.5 liter is carried over from the M52.

CAMSHAFT - The camshaft for the 3 liter M54 is modified with more lift and new valve springs to accommodate the increased lift. The camshaft of the 2.5 liter M54 is carried over from the M52 engine.

INTAKE MANIFOLD - The intake manifold is modified with the shorter ram tubes (20mm shorter on 3 liter/10mm shorter on the 2/5 liter). The diameter of the tubes is increased slightly.

INJECTION VALVES - The diameter of the injection pintle has increased slightly for the increased displacement of the 3 liter engine. The injector for the 2.5 liter engine carries over from M52.

NON RETURN FUEL RAIL SYSTEM - The M54 engine MS 43.0 control uses the non return fuel rail system introduced on the M62TU engine. The system meets running loss compliance without the use of the 3/2 way solenoid valve currently used on the M52TU engine.

The regulated fuel supply is controlled by the fuel presure regulated integrated in the fuel filter. The fuel return line is also located on the filter.

The M54 engine uses an Electronic Controlled Throttle Valve (EDK) for intake air control. The idle control valve and turbulence function of the intake manifold carries over from the M52TU engine.

Dyno Charts:


General, Troll Warfare Center: Task Force Troll/Founder BMW FORUMS 3.1415926535897932384626433832795 CLUB/Board Member Brotherhood of Huzzah/Board Member Troll Assassin Board/Board Member W00t! Club/Campaign Director Yanosh for President/Founder L337 Flash Club/Founding Member BMW Forums V1 Club/ BMW-Forums Badger Badger Badger arrgggghhhhhh club
L337E46 is offline  
#8 (permalink) Old 05-30-2003, 04:06 AM
1st Gear Member
 
Join Date: Apr 2003
Posts: 163
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
nosuchsol is an unknown quantity at this point
(Thread Starter)
Well, they changed enough - now i wonder what's really making all that noise. =) I think the exhaust is a good culprit but I just felt it was more towards the front of the car and not the side/back. Interesting.
nosuchsol is offline  
#9 (permalink) Old 05-30-2003, 04:51 AM
2nd Gear Member
 
steveo86's Avatar
 
Join Date: Jan 2003
Location: Repo Man
Posts: 433
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
steveo86 is an unknown quantity at this point
Send a message via AIM to steveo86
There was a 330ci at the hotel the past couple of days, and one day when I was in the parking garage, the dude with the 330ci drove in. THAT THING SOUNDED SOOOO BAD ASS!!!! I was like. "Holy Crap!!!" I was pretty amazed.

<img src='http://www.bmw-forums.com/forum/uploads/post-4-1056028094.jpg' border='0' alt='user posted image' />
Only two things matter in life, The Bema, and The Bimmer.

<a href='http://www.sigur-ros.co.uk/' target='_blank'>Sigur Ros</a>
<a href='http://www.friendsoflive.com' target='_blank'>Live</a>
<a href='http://www.rob-dougan.com/' target='_blank'>Rob Dougan</a><a href='http://www.relientk.com/host.html' target='_blank'>Relient K</a>
steveo86 is offline  
#10 (permalink) Old 05-30-2003, 05:44 AM
You Can Has A Custom Title!!
 
FruityOne's Avatar
 
Join Date: Nov 2002
Location: L.A.
Posts: 2,294
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
FruityOne is an unknown quantity at this point
Send a message via AIM to FruityOne
ive driven e46's...they sound soft and mushy compared to my car...mayb because my car is non vanos...and speedster if your cars exhaust can vibrate a section of your house then you've probably got a pretty weak house there :lol:

93 325is - SOLD (white car in sig)
92 325i - 220rwhp/205rwtq (RIP)
02 GSXR 600 - 107rwhp/48rwtq
95 M3 - 220rwhp/205rwtq
President & Founder OF S50 Swap Club

THC the three most powerful letters in my veins...
FruityOne is offline  
#11 (permalink) Old 05-30-2003, 05:49 AM
SpeedsterBMW
Guest
 
Posts: n/a
Mentioned: Post(s)
Tagged: Thread(s)
Quoted: Post(s)
Quote:
Originally posted by Fruityone@May 30 2003, 05:44 AM
ive driven e46's...they sound soft and mushy compared to my car...mayb because my car is non vanos...and speedster if your cars exhaust can vibrate a section of your house then you've probably got a pretty weak house there :lol:
have you heard a 330 exhaust? especailly my moms (dinan)....the sound reveberates off the walls to the rooms above the garage
 
#12 (permalink) Old 05-30-2003, 07:38 AM
Ski
Sheer Driving Pleasure
 
Ski's Avatar
 
Join Date: Nov 2002
Location: Binghamton, NY
Posts: 2,421
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Ski is an unknown quantity at this point
My 325is sounds real deep, lot's of growling going on in the stock exhaust which I love.. B)


My Jet Black's
'03 3.0i Z4 Loaded
'02 325Ci Loaded
'06 330xi Loaded
Ski is offline  
#13 (permalink) Old 05-30-2003, 07:49 AM
You Can Has A Custom Title!!
 
FruityOne's Avatar
 
Join Date: Nov 2002
Location: L.A.
Posts: 2,294
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
FruityOne is an unknown quantity at this point
Send a message via AIM to FruityOne
yes i've driven 330's before definitely not louder than my car

93 325is - SOLD (white car in sig)
92 325i - 220rwhp/205rwtq (RIP)
02 GSXR 600 - 107rwhp/48rwtq
95 M3 - 220rwhp/205rwtq
President & Founder OF S50 Swap Club

THC the three most powerful letters in my veins...
FruityOne is offline  
#14 (permalink) Old 05-30-2003, 09:03 AM
SpeedsterBMW
Guest
 
Posts: n/a
Mentioned: Post(s)
Tagged: Thread(s)
Quoted: Post(s)
Quote:
Originally posted by Fruityone@May 30 2003, 07:49 AM
yes i've driven 330's before definitely not louder than my car
stock vs stock...the 330 is louder of course
 
Sponsored Links
Advertisement
 
Reply

  BMW Forum - BimmerWerkz.com > BMW Model Specific Forums > 3-Series (E36)


Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
User Tag List

Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page
Display Modes
Linear Mode Linear Mode



Similar Threads
Thread Thread Starter Forum Replies Last Post
Difference Btw 325 and 328? Blow 3-Series (E36) 6 09-08-2005 08:11 PM
noise under body after stop engine wizlee 3-Series (E46, E90) 2 02-01-2004 07:35 PM
1999 328i Rubbing metal engine noise yogi799 3-Series (E46, E90) 7 08-23-2003 05:01 PM
01 325i engine noise b4m2w0 3-Series (E46, E90) 2 08-15-2003 12:36 AM
BMW P83 Engine triggrhaapi Bimmer Talk/Motorsports Talk 0 07-21-2003 02:03 PM

Posting Rules  
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On

 
For the best viewing experience please update your browser to Google Chrome