Menu
Home
Forums
New posts
Search forums
What's new
New posts
Latest activity
Members
Current visitors
Log in
Register
What's new
Search
Search
Search titles only
By:
New posts
Search forums
Menu
Log in
Register
Reply to thread
Click here to become an Official Member of BMW Club Malaysia
Download Form
Home
Forums
The BMW Range
BMW Talk
BMW 335i/335Ci
JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding.
You are using an out of date browser. It may not display this or other websites correctly.
You should upgrade or use an
alternative browser
.
Message
<blockquote data-quote="1996E36328i" data-source="post: 4073" data-attributes="member: 2078"><p>BMW twin-turbo straight-6BMW is officially unveiling the long-rumoured 3.0-litre twin-turbo straight-6 ! This engine will be first used in the 3-series sedan and new 3-series coupe, dubbed 335i and 335Ci respectively to reflect their performance level instead of engine capacity. This is BMW's first turbocharged petrol engine since the 745i turbo of 1980. In the past quarter century, BMW insisted naturally aspiration was the only way to deliver the instant throttle response it required. As turbo technology improves, while its 3.0 straight-6 started losing performance edge over its larger capacity rivals, BMW is lured back to the turbocharged camp.Codenamed N54, the new engine is based on the current R6 3.0 straight-6. However, it has the magnesium-aluminum block replaced with conventional aluminum alloy to handle higher thermal stress. The Valvetronic and Double-Vanos are retained. Direct injection is added to the straight-6 for the first time (previously only featured in the V12 of 760Li). This help cooling the combustion chambers and is especially suitable for a turbocharged engine.To eliminate turbo lag - a deadly sin to BMW, it employs two very small turbochargers, each fed by 3 consecutive cylinders, to boost a relatively low pressure. The result is a modest power gain - 306 horsepower (DIN) compare to the 258 hp standard engine and 265hp engine used in 130i and Z4. However, as all other LPT (low pressure turbocharged) engines, the emphasis here is torque: increased from 221 / 232 lbft to 295 lbft, and this is available from 1500 rpm to 5800 rpm. Best of all, the 7000 rpm redline is unaltered by the turbo conversion.According to BMW's own testing, the 335i sedan can sprint from rest to 60 mph in 5.4 seconds, an improvement of half a second from 330i. While its max power matches the current (engine) class leader Lexus IS350, its widely accessible torque should put it in the lead. For comparison, the Toyota engine produces 277 lbft at 4800 rpm. I also expect the BMW engine to return lower fuel consumption. The new engine bridges the wide gap between the 258hp 330i and the forthcoming 400hp M3.</p></blockquote><p></p>
[QUOTE="1996E36328i, post: 4073, member: 2078"] BMW twin-turbo straight-6BMW is officially unveiling the long-rumoured 3.0-litre twin-turbo straight-6 ! This engine will be first used in the 3-series sedan and new 3-series coupe, dubbed 335i and 335Ci respectively to reflect their performance level instead of engine capacity. This is BMW's first turbocharged petrol engine since the 745i turbo of 1980. In the past quarter century, BMW insisted naturally aspiration was the only way to deliver the instant throttle response it required. As turbo technology improves, while its 3.0 straight-6 started losing performance edge over its larger capacity rivals, BMW is lured back to the turbocharged camp.Codenamed N54, the new engine is based on the current R6 3.0 straight-6. However, it has the magnesium-aluminum block replaced with conventional aluminum alloy to handle higher thermal stress. The Valvetronic and Double-Vanos are retained. Direct injection is added to the straight-6 for the first time (previously only featured in the V12 of 760Li). This help cooling the combustion chambers and is especially suitable for a turbocharged engine.To eliminate turbo lag - a deadly sin to BMW, it employs two very small turbochargers, each fed by 3 consecutive cylinders, to boost a relatively low pressure. The result is a modest power gain - 306 horsepower (DIN) compare to the 258 hp standard engine and 265hp engine used in 130i and Z4. However, as all other LPT (low pressure turbocharged) engines, the emphasis here is torque: increased from 221 / 232 lbft to 295 lbft, and this is available from 1500 rpm to 5800 rpm. Best of all, the 7000 rpm redline is unaltered by the turbo conversion.According to BMW's own testing, the 335i sedan can sprint from rest to 60 mph in 5.4 seconds, an improvement of half a second from 330i. While its max power matches the current (engine) class leader Lexus IS350, its widely accessible torque should put it in the lead. For comparison, the Toyota engine produces 277 lbft at 4800 rpm. I also expect the BMW engine to return lower fuel consumption. The new engine bridges the wide gap between the 258hp 330i and the forthcoming 400hp M3. [/QUOTE]
Verification
Post reply
Home
Forums
The BMW Range
BMW Talk
BMW 335i/335Ci
Top
Bottom
