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BMW 320i G20 2019 Remap

sebhm

By sebhm,
in BMW 3 Series Forum

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sebhm Newbie

sebhm

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Hi all,

New to this but was looking for some advice. 

I was thinking about remapping my car to stage one. It's a BMW 320i G20 model from 2019 with a B48B20A engine, stock BHP is just 184. Has anyone got any experience with this? Not looking to blow up my engine after 2000 miles. A few companies have quoted a push up to 307bhp from a stage one with no hardware changes. This seems excessive and definitely not reliable - car will likely go boom. Torque is currently around 300 and they are predicting an increase to around 460nm. Will I likely have to use premium fuel after this tune as well? I'm not too sure on any of these things really and advice or pointers would be appreciated, thanks!

Greydog Grand Master

Greydog

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Hi Seb

Welcome to the Forum

First make sure the engine is in Tip Top condition and well serviced (don't forget Transmission and Diff) if it is then you should have no issues. I would ask how many they have done and see if you can talk to other owners

Most problems occur when ECU tuning is carried out on a mechanically sad engine and it then gets heavily used, result an engine failure with the tuning blamed. Most issues are heavy right foot is my experience

Dave

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sebhm Newbie

sebhm

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2 hours ago, Greydog said:

Hi Seb

Welcome to the Forum

First make sure the engine is in Tip Top condition and well serviced (don't forget Transmission and Diff) if it is then you should have no issues. I would ask how many they have done and see if you can talk to other owners

Most problems occur when ECU tuning is carried out on a mechanically sad engine and it then gets heavily used, result an engine failure with the tuning blamed. Most issues are heavy right foot is my experience

Dave

Hi Dave, 

Thanks for the reply and the welcome. 

Car has only done 33k miles with full service history - never any issues. The tuner in question will be DMS automotive, I believe they are established and have done various things with Carwow and Top Gear. Slightly on the higher end price wise but believe it would be stupid to cheap out on something like this. 

I also don't plan on being a boy racer, I just want the extra power for the odd over take and to prevent the delays from the automatic gearbox.

Thanks again for the help!

Seb

 

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      Hi Dave, Thanks for the reply and the welcome. Car has only done 33k miles with full service history - never any issues. The tuner in question will be DMS automotive, I believe they are established and have done various things with Carwow and Top Gear. Slightly on the higher end price wise but believe it would be stupid to cheap out on something like this. I also don't plan on being a boy racer, I just want the extra power for the odd over take and to prevent the delays from the automatic gearbox. Thanks again for the help! Seb
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      Hi Seb Welcome to the Forum First make sure the engine is in Tip Top condition and well serviced (don't forget Transmission and Diff) if it is then you should have no issues. I would ask how many they have done and see if you can talk to other owners Most problems occur when ECU tuning is carried out on a mechanically sad engine and it then gets heavily used, result an engine failure with the tuning blamed. Most issues are heavy right foot is my experience Dave
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