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      02-16-2013, 05:27 PM   #131
NoTempoLimitN54
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Drives: E92 335i
Join Date: Sep 2012
Location: Los Angeles, CA

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Quote:
Originally Posted by Dozhdbog View Post
Some automatic numbers from the same mag:
OK Dozhdbog, I finally had some time to go through Car and Driver's website and look up all their 335i tests, and they did plenty!

So, since we have test data for both transmissions from the same tester, we have a fairly objective alternative to BMW's test data.

So we finally have a pretty reliable answer to which is faster, the 335i with 6 Speed Manual or 335i with 6 Speed Steptronic Auto...

Drumroll...

NEITHER ONE IS CLEARLY FASTER THAN THE OTHER!

Take a look at the following test data. Note that there is only one test where the car definitely had the Steptronic. In the other test (noted) both transmissions are listed in the data panel and the article text does not clear this up.

Some of the tests suggest that the 6MT might be slightly faster, since there are two tests with a 0-60 result of 4.8 seconds, both are 6MT. But I think 0.1 sec is probably the margin of error, and if you scan the data you can see 0.1 sec variations in the other acceleration tests, going both ways. To me 0.1 seconds is just not a significant difference.

Note that the 335is, with +20 HP, +70 lb-ft of torque on overboost, and DCT, only beats the fastest 335i 0-60 time by 0.2 seconds.

But if there is one point that is going to have to be conclusively settled, is that the 6MT 335i is not slower than the 6AT 335i. There is no way you can twist the data to support a claim that the 6MT is slower.

Here is the data:

Quote:
September 2006
2007 E90 335i Sedan 6MT

VEHICLE TYPE: front-engine, rear-wheel-drive, 5-passenger, 4-door sedan

PRICE AS TESTED: $44,445 (base price: $39,395)

ENGINE TYPE: N54 twin-turbocharged and intercooled DOHC 24-valve inline-6, aluminum block and head, direct fuel injection
Displacement: 182 cu in, 2979cc
Power (SAE net): 300 bhp @ 5800 rpm
Torque (SAE net): 300 lb-ft @ 1400 rpm

TRANSMISSION: 6-speed manual

DIMENSIONS:
Wheelbase: 108.7 in Length: 178.2 in Width: 71.5 in Height: 55.9 in
Curb weight: 3616 lb

C/D TEST RESULTS:

Zero to 60 mph: 4.8 sec

Zero to 100 mph: 11.8 sec

Zero to 140 mph: 26.1 sec

Street start, 5-60 mph: 5.6 sec

Standing ,¼-mile: 13.5 sec @ 106 mph

Top speed (governor limited): 145 mph

Braking, 70-0 mph: 157 ft

Roadholding, 300-ft-dia skidpad: 0.89 g

***
October 2006 (NOTE: It is not clear if the test data is from a 6MT or 6AT. both transmissions are listed in the data panel and the article text does not clear this up)

2007 E92 335i Coupe

VEHICLE TYPE: front-engine, rear- or 4-wheel-drive, 4-passenger, 2-door coupe

BASE PRICE: $35,995-$41,295

ENGINES: DOHC 24-valve 3.0-liter inline-6, 230 hp, 200 lb-ft; twin-turbocharged and intercooled DOHC 24-valve 3.0-liter inline-6, 300 hp, 300 lb-ft

TRANSMISSIONS: 6-speed automatic with manumatic shifting, 6-speed manual

DIMENSIONS:
Wheelbase: 108.7 in Length: 180.3 in Width: 70.2 in Height: 54.1-54.2 in
Curb weight: 3400-3600 lb

C/D TEST RESULTS (335i):

Zero to 60 mph: 4.9 sec

Zero to 100 mph: 12.1 sec

Street start, 5-60 mph: 5.6 sec

Standing ,¼-mile: 13.6 sec @ 105 mph

Top speed (governor limited): 144 mph

Braking, 70-0 mph: 160 ft

***
July 2007

2007 E92 335i Coupe 6AT

VEHICLE TYPE: front-engine, rear-wheel-drive, 4-passenger, 2-door coupe

PRICE AS TESTED: $49,675 (base price: $42,850)

ENGINE TYPE: N54 twin-turbocharged and intercooled DOHC 24-valve inline-6, aluminum block and head, direct fuel injection
Displacement: 182 cu in, 2979cc
Power (SAE net): 300 bhp @ 5800 rpm
Torque (SAE net): 300 lb-ft @ 1400 rpm

TRANSMISSION: 6-speed automatic with manumatic shifting

DIMENSIONS:
Wheelbase: 108.7 in Length: 180.6 in Width: 70.2 in Height: 54.1 in
Curb weight: 3584 lb

C/D TEST RESULTS:

Zero to 60 mph: 4.9 sec

Zero to 100 mph: 12.1 sec

Zero to 140 mph: 26.7 sec

Street start, 5-60 mph: 5.5 sec

Standing ,¼-mile: 13.4 sec @ 106 mph

Top speed (governor limited): 145 mph

Braking, 70-0 mph: 156 ft

Roadholding, 300-ft-dia skidpad: 0.91 g

***
July 2010

2011 E92 335is 7DCT

VEHICLE TYPE: front-engine, rear-wheel-drive, 4-passenger, 2-door coupe

PRICE AS TESTED: $59,025 (base price: $50,525)

ENGINE TYPE: twin-turbocharged and intercooled DOHC 24-valve inline-6, aluminum block and head, direct fuel injection
Displacement: 182 cu in, 2979 cc
Power (SAE net): 320 bhp @ 5900 rpm
Torque (SAE net): 370 lb-ft @ 1500 rpm

TRANSMISSION: 7-speed DCT dual-clutch automated manual

DIMENSIONS:
Wheelbase: 108.7 in Length: 181.9 in
Width: 70.2 in Height: 54.1 in
Curb weight: 3572 lb

C/D TEST RESULTS: 

Zero to 60 mph: 4.6 sec

Zero to 100 mph: 11.4 sec

Zero to 140 mph: 25.7 sec

Street start, 560 mph: 5.0 sec

Standing -mile: 13.3 sec @ 108 mph

Top speed (governor limited): 148 mph

Braking, 700 mph: 169 ft

Roadholding, 300-ft-dia skidpad: 0.93 g

***
September 2010

2011 E90 335i Sedan LCI 6MT
Options: ZSP, CA, 6FL

VEHICLE TYPE: front-engine, rear-wheel-drive, 5-passenger, 4-door sedan

PRICE AS TESTED: $45,075 (base price: $41,475)

ENGINE TYPE: N55 turbocharged and intercooled DOHC 24-valve inline-6, aluminum block and head, direct fuel injection
Displacement: 182 cu in, 2979 cc
Power (SAE net): 300 bhp @ 5800 rpm
Torque (SAE net): 300 lb-ft @ 1200 rpm

TRANSMISSION: 6-speed manual

DIMENSIONS:
Wheelbase: 108.7 in Length: 178.8 in
Width: 71.5 in Height: 55.9 in
Curb weight: 3514 lb

C/D TEST RESULTS:
Zero to 60 mph: 4.8 sec

Zero to 100 mph: 11.7 sec

Zero to 130 mph: 20.7 sec

Street start, 560 mph: 5.5 sec

Standing -mile: 13.6 sec @ 106 mph

Top speed (governor limited): 155 mph

Braking, 700 mph: 168 ft

Roadholding, 300-ft-dia skidpad: 0.89 g
***
__________________

2009 335i 6MT (E92/N54), Black Sapphire / Shadowline (Individual 760) / Black Dakota Leather, ZSP, ZCW, 6FL, PDC, no Nav/iDrive, 19 x 8.5 / 19 x 9.5 VMR VB3 in Hyper Black, Pilot Super Sport 235/35 fr 265/30 rr, M3 control arms + tension links (fr)
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