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Discuss This BMW S1000RR: 210bhp with no tuning! Custom & modified bikes

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Anonymous

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Emma Sulway  says:

BMW S1000RR: 210bhp with no tuning!

Dutch BMW specialist Van Harten Performance has built a 210bhop S1000RR – and they’ve not even tuned the engine. Van Harten maintain that the only tuning is the addition of a four-in-one Akrapovic exhaust system. MCN estimates that the power increase could push the top speed to more than 190mph on a still day, based on our test data for the standard...

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  • Posted 5 years ago (10 March 2010 14:19)

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supermario

Joined:

Dec 09

Posts: 2490

supermario says:

Innaccurate dyno

I wonder what the first dyno figure was before the pipe was upgraded? somewhere around 200 would be my guess

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eatcs01

Joined:

Aug 02

Posts: 3265

eatcs01 says:

Fishy

It does sound fishy to me. Changing the pipe and fuelling IS tuning (to me anyway). But maybe they BLUEPRINTED the engine, which is NOT tuning.

 

Also, they don't state where the BHP was measured. We know a stock S1000R produces 183bhp at the wheel. If you allow 10% loss through the drivetrain etc, then that equates to over 201bhp. So, they've incresed it by LESS THAT 10 BHP.

 

PS. Still an awesome bike though....

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arthurbikemad

Joined:

Aug 07

Posts: 143

So then 20,000.oo for an Akra, and I thought my blade pipe was expencive....lol

 

210bhp...where at....crank, dreams.. ?

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paulqc

Joined:

Jun 09

Posts: 30

paulqc says:

We'll soon see.

Tuned? Not tuned?  It would be an extraordinary feat to get that power from the engine, without adjustment to the mapping.  But we'll see soon enough.  My S1000 is having the same exhaust and filter fitted in two weeks.  I'll dyno it and let you know. 

To Be Continued!!!

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MarcSalvisberg

Joined:

May 10

Posts: 2

I checked the power

I just dynoed an s1000rr with an Arrow exhaust system on an EC997 dyno.

163.3 True HP.
Take 163.3 True hp and add 25% to get dynojet hp = about 204 djhp.
A gsxr1000 - R1 - zx10r makes about 140-145 True hp.

Could someone get 210 "djhp" on some other dyno thats trying to emulate a djhp number? Sure - all other dyno companies are just guessing, with varying degrees of luck,  on how much they inflate the real hp to sort of match a dynojet.

Thereis an obvious error - the hp is listed af "B"hp - and that's "brake" horsepower and... hey... where's the brake when measuring power on a dynojet of dynojet clone?

Marc

 

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