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  #1  
Old 11-10-2002, 12:21 PM
jordanLINY jordanLINY is offline
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Location: Fairfield Cty, CT
 
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Mein Auto: 1993 325i 4dr manual
Dinan 540i -- a step M5?

Road and Track (December 2002) did a short review of the "Dinan S3" BMW 540i. Dinan created the car mainly as the step M5 BMW never made. To whittle the acceleration times down Dinan modified the manifold and put on a supercharger, as well as throwing in an LSD etc -- I guess creating a similar setup to the M5 given the requirements of step. Only a few tenths of a second off at 0 - 60. The reviewers thought the handling just about the same as the M5.

All this makes me wonder why BMW never made an auto M5 in the first place. Manual vs. step flame wars aside, it'd sell well anyway. Better yet, where's the SMG?

Jordan
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  #2  
Old 11-10-2002, 10:39 PM
BillP BillP is offline
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Location: Northern California
 
Join Date: Jan 2002
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I'll take a shot at answering

I can think of three reasons why a steptronic M5 isn't offered:

1. The tranny may not be rated for that HP/TQ. Dinan is more likely to push the tranny to its limit and has, I believe, received some level of criticism (warranted or not) for doing that with the SC'd 540. BTW, I don't think any of the guys with SC'd 540s have had any tranny failures.

2. Simplicity of product offering. BMW has made it very clear that customers will not see the full possible set of product permutations. "Why can't the 6cyl get a six speed?" and "why can't the 540 get the 4.5l engine from the 745?" are other questions with the same answer. Choice costs $, especially when the American market (in particular) is accustomed to picking a car off of the lot. It also creates the need for more engineering qualification time, which is a precious commodity in any company. A good company prioritizes projects based on demand and costs. BMW clearly did that.

3. Image. BMW places the M5 out there as a very high-end enthusiasts car. It doesn't help that image if an auto is offered. Look how BMW afficionados view the MBZ products just for that reason.

Regarding SMG, BMW likely thought it wise not to offer it midway through the E39 product lifecycle and chose to do the proper engineering for E60 as it was for the E46.


Bill
  #3  
Old 11-11-2002, 09:44 AM
PhilH PhilH is offline
Audi, BMW or Porsche???
Location: Philadelphia, PA
 
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Mein Auto: 2010 S4, 2004 X3 2.5i
Leave the top of the line automatics to Mercedes, IMO.
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Last edited by PhilH; 11-11-2002 at 10:19 AM.
  #4  
Old 11-11-2002, 10:18 AM
TD
Guest
 
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Mein Auto:
It's embarassing enough that BMW offered a slushbox on my car.

//M = Motorsport

Slushbox **** Motorsport
  #5  
Old 11-11-2002, 11:12 AM
in_d_haus in_d_haus is offline
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Mein Auto: car
Quote:
Originally posted by TD
It's embarassing enough that BMW offered a slushbox on my car.

//M = Motorsport

Slushbox **** Motorsport
You go TD! I'm with ya there. (I won't go into my opinion on 4 door ///Ms)
  #6  
Old 11-11-2002, 05:42 PM
beewang's Avatar
beewang beewang is offline
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Location: Eugene, OREGON, Home to the Rose Bowl Champion
 
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Mein Auto: S62 E39
Angry

Quote:
Originally posted by in_d_haus


You go TD! I'm with ya there. (I won't go into my opinion on 4 door ///Ms)
Hey Pal!! and what's wrong w/ 4 drs ///M's??!!



heheh

beewang
  #7  
Old 11-12-2002, 10:19 AM
Jimmy540i.com's Avatar
Jimmy540i.com Jimmy540i.com is offline
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Location: Los Angeles / NYC
 
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Mein Auto: BMW/Ferrari/Ducati/Lambo
Yes? Beewang?






(PS: Where is the picture you owe me for the E39 Family?)
  #8  
Old 11-12-2002, 10:25 AM
TD
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Mein Auto:
Quote:
Originally posted by beewang


Hey Pal!! and what's wrong w/ 4 drs ///M's??!!



heheh

beewang
IMO, there is nothing wrong with 4-door Ms. Just slushbox-equipped Ms.
 

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