28i remap only... over 300 bhp 512 NM torque

brittas · Post by **brittas** » Wed Apr 26, 2017 5:48 pm

P torque have mapped my 28i to just over 300 hp with torque at 378.3 ft lbs (512 NM). well impressed . Feels great the extra torque is really noticeable.
[IMG]http://i510.photobucket.com/albums/s350 ... _after.jpg[/IMG]

Smartbear · Post by **Smartbear** » Wed Apr 26, 2017 6:21 pm

Impressive numbers, what did your car manage on the pre-remap Dyno run?
Rob

brittas · Post by **brittas** » Wed Apr 26, 2017 6:26 pm

Here are the pre map figures.
[IMG]http://i510.photobucket.com/albums/s350 ... before.jpg[/IMG]

Smartbear · Post by **Smartbear** » Wed Apr 26, 2017 6:31 pm

Over 50bhp extra & fair bit more torque as well, I think a cat less down pipe brings even more gains

Impressive stuff

Rob

brittas · Post by **brittas** » Wed Apr 26, 2017 6:54 pm

well declaring just a remap put £37 on my insurance which I thought was brilliant. I am not going to do any more modding ...Honest

Twin Turbo · Post by **Twin Turbo** » Wed Apr 26, 2017 7:33 pm

WOW, great results - bet it feels a different car

You have considerably more torque than me 50NM more torque

brittas · Post by **brittas** » Wed Apr 26, 2017 7:45 pm

I will have to get some decent tyres next. The run flats dont really cut it with the extra horse power. Are the ps 4s a good choice?

Adam D · Post by **Adam D** » Wed Apr 26, 2017 9:11 pm

Good numbers; did they comment on whether the torque drop off is fuel or air flow limited - would be interesting to see the AFR graph.

warmasice · Post by **warmasice** » Wed Apr 26, 2017 9:29 pm

Strong numbers!

Twin Turbo · Post by **Twin Turbo** » Wed Apr 26, 2017 9:51 pm

brittas wrote: ↑Wed Apr 26, 2017 7:45 pm I will have to get some decent tyres next. The run flats dont really cut it with the extra horse power. Are the ps 4s a good choice?

I have no issues with PS4's - even on track

Pbondar · Post by **Pbondar** » Wed Apr 26, 2017 10:50 pm

I've just had Celtic Tuning remap on my 2.0i, they state 280 bhp, previously they did 295 bhp , however according to them they have backed it off a bit as they have seen some N20B20 engines let go at and around the 300 bhp mark.

With fuel injection and turbo charging under ECU control making power isn't the primary problem, getting rid of the heat and or coping with extended combustion pressures prove limiting.

Maybe that's why BMW only go as far as 240 bhp!

In a parallel universe we suffered from poor reliability on a Mercedes based engine that was asked to produce more power than was wise...engines struggled to make 1000 hours before heads cracked due to thermo dynamic stress.

brittas · Post by **brittas** » Thu Apr 27, 2017 6:29 am

Yep I will not be holding full throttle over long periods of time. No track days planned . Here is an interesting artical of potential weakness of the N20 engine.
http://www.boostaddict.com/content.php? ... ve-learned

Busterboo · Post by **Busterboo** » Thu Apr 27, 2017 8:44 am

brittas wrote: ↑Wed Apr 26, 2017 6:54 pm well declaring just a remap put £37 on my insurance which I thought was brilliant.

And wise.
I wonder how many other remapped owners do the same?

Twin Turbo · Post by **Twin Turbo** » Thu Apr 27, 2017 8:58 am

£525 - insurance for me - all mods declared + free track day insurance & Business Miles

brittas · Post by **brittas** » Thu Apr 27, 2017 9:15 am

£333 with just a remap. Apart from that quote all others were over £550. I am getting old

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