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Pawel_11_11 03-01-2007 11:56 AM

Increasing the Turbo on 2007 335I
Does anyone know a ball park price/results of increasing the twin turbos on a 2007 335I Coupe?

The current turbos add approx. 70 HP to the 328I motor.

The 328I is 24valve, I6, 230HP
While the 335I is rated at 300.

Any ideas on how to max out this potential?



Meegis 03-01-2007 01:22 PM

Chip (if any are developed) or turbo swap....

But the swap is a crap load of work and even more money

SUPERCHARGED 03-01-2007 02:19 PM

XEDE has a piggyback system thats producing geat numbers. 355 RWHP AND 405 lb-ft TQ. at 12 psi.

tlaselva 03-02-2007 12:00 PM

Look up PROcede.

Properly tuned 335's are running high 12's at the track with good traction! *th-up*

Even have Corvette forums talking about them, and they don't impress easy.

The real question though is where's the limit of the 335's driveline?

propr'one 03-02-2007 06:12 PM

what turbo adds 70hp to a m52b28?

a good turbo can ad 250rwhp to a m50b28, easy.

PedroBMW 03-02-2007 06:30 PM


Originally Posted by propr'one
what turbo adds 70hp to a m52b28?

a good turbo can ad 250rwhp to a m50b28, easy.

not exactly easy, but yeah very doable.

propr'one 03-02-2007 07:39 PM

^^ok, fair enough, 410rwhp isn't easy cause i dont suppose many "kits" would hit that, but its not that difficult to build a turbo that can hit those numbers.

Meegis 03-03-2007 06:10 PM

Anything is doable with enough lag.

///Milan 04-02-2007 02:00 PM

I prefer to call it the pre-oh shit delay.

///tyron 04-02-2007 04:17 PM

isnt the 328 engine made of magnesium with iron sleeves? and the turbo block made of aluminum? i could be wrong

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