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Thread: 2009 BMW M 135i Limited Edition Twin Turbo only one year

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    2009 BMW M 135i Limited Edition Twin Turbo only one year

    So I was speaking with one of the engineers as DINAN and a very experienced BMW sales person. We got in a discussion about my car. Apparently in 2009 BMW released the M-135i using the M3 engine. Apparently BMW didn't advertise that because this engine with the twin turbo made it faster than the M3 due to the fact that the car was smaller and lighter with the M3 Twin Turbo engine in it. BMW was concerned about negatively impacting the sales of M3 as they were concerned that if it got out that this car was faster, it would erode the sales of the M3 for that same year. My car was tested and it puts out 325 Horse Power. The following year BMW changed the engine and the turbo to scale the HP back bringing it below the M3. Apparently the ones following did not have two actual separate tubos like mine does, but rather a stacked turbo which they referred to as two in one, or a Duel turbo, rather than a twin turbo. Apparently the turbo charges in the 09 with the M series are not sequential or in series, but rather are in parallel so it's two equally sized turbos making the HP and torque higher.

  2. #2
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    That cannot be right as I'm sure it would have made major news. Plus the M3 engine was/is a V8, so how is that possible?
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  3. #3
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    Apparently BMW has done this several times over the years. For example, this year the M 240i is listed at 335HP but it's been tested and shows it's actually 369HP. The M2 is listed at 365HP, but tested at 361. So its actually lower than the spec sheets and the 240 is higher, putting it over the M2. It's not disclosed due to the fear that it would negatively impact the M2's sales. Several M2 and 240s were tested and the results were the same. This is too techy for general public to consume.

    - - - Updated - - -

    A major corporation fudging technical specifications to assist in marketing and sales? Never.

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    The M3 is a 3.0 6 Inline pushing out 425 HP weighing in at 3,540 lbs with base price of 64K. The M2 is a 3.0 6 Inline pushing out 361 HP (BMW Specs intentionally wrong) weighing in at 3,450, base price of 52,500. Now, The M-240i is a 3.0 6 Inline pushing out 369HP (BMW Specs are intentionally wrong) with 414 foot-Pounds of torque weighing in at 3,498 with base price of $49,471K. Yes that's right, the M-240 has been tested as having 8 more HP off the line than the M2 and 56HP less than the M3. So, if you take the M-240i to DINAN and have it "Certified" with (DINANTRONICS, Free Flow Exhaust, High Flow Intake, Spring Set, Bumpstop) Which will run you about 5K (So total cost is base $54,500) you'll end up with a car that has 430HP with about 480 foot-Pounds of torque. That outperforms both the M3 and the M2 and costs less. It's faster, handles better and is cheaper. Plus you get that cool DINAN badge. You would have to invest about 8-9K in the M2 on top of it's base price to beast the DINAN M-240i, brining the M2 to a base cost of $60,500 - $61,500. The B58 Engine of the 240i is considered by the industry to be a much more versatile and malleable engine that can be upgraded for a fraction of the cost bringing in the same zone as the M3 at thousands of dollars less in cost. And DINAN modifications are BMW approved and within BMW warranty. They are the approved official modification company for BMW International. The work is done at the dealer.
    Last edited by Kenpo Karate; 10-26-2017 at 09:31 AM.

  5. #5
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    I mean this with all respect, and please correct me if I am mistaken but inline v6?


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  6. #6
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    Yes sir. Its a "3.2L S54B32 I6" The B32 engine (M3 engine) is a 6 -Inline. The 6 inline is often referred to as a I6 or an L6. The M3 has a I6, or inline engine. The M2 is an Intercooled Turbo Premium Unleaded I6 which is the Inline engine. The 240i is a 3.0-liter M Performance Twin-Power Turbo inline 6-cylinder so also an inline engine. In all three of them the six cylinders are mounted in a straight line along the crankcase, so that means that the the pistons are all pushing a shared or common crankshaft. Makes it run smoother one of the many. many reasons that leads to feel being so awesome to drive these cars.
    Last edited by Kenpo Karate; 10-26-2017 at 09:31 AM.

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