BW Chiptune

Unit 9, Alpha Ind Est, Clayton Rd, Hayes, UB3 1BB Directions

Business overview

Engine Peformance Tuning. Remap, Chips.More Power, More Torque, More MPG! Also INDEPENDENT BMW SPECIALIST. Dyno Dynamics Rolling Road Testing. BMW ECU Repairs. BMW car keys made.

We are BW Chip Tune and specialise in the performance chip and remap tuning of all vehicle with an engine control unit (E.C.U.)

BW Chip Tune are able to performance tune your vehicle by writing customised files to the engine control unit. Due to the nature of our OBD and Bench Flashing tuning equipment, which is the most sophisticated in the country for performance tuning, we have managed to secure performance gains that superseed that virtually all other performance tuning specialist.

Dyno dynamic rolling road testing facility. Nitrous Oxide bottle refilling. Removal of top speed limiters. Disable imobilisers in the ECU.

All aspects of car tuning and upgrading undertaken here on site. Please call with your requirements and we will show you how we can help.

We are suppliers of dimsport, alientech, cmd tuning equipment

Products & Services

Independent BMW specialist

BMW ECU performance remap diesel

BMW automotive key cutting

BMW ECU Repair

BMW I Drive Service History Update

BWM ECU performance remap petrol

BMW ECU chipping

alarm systems

Refurbish BWM ECU

brakes & clutches

battery servicing

car diagnostics

car brakes

car repairs

car engines

car servicing

exhaust systems

garage services


petrol engines

rolling roads

tyre repairs

gear boxes

car air conditioning

brakes repairs

car suspension adjustment

oil change

vehicle inspection

coding and programing

dyno rolling road power testing

DFS repair

Phantom Imobiliser


BMW E46 330cd

Third time at bw chiptune for remap latest remap E46 330cd convertible car had been remapped before I bought car. So badly remapped it filled Jason’s garage with black smoke due to over fuelling. By the time Jason had worked his magic and written a map for my car it was transformed what a pleasure to drive as I found out when we went out for a test drive. Can’t thank you enough Jason I recommend anyone wanting a remap use bw chiptune as what they don’t know about remapping isn’t worth knowing. They write a map for your car after dyno testing it. Regards Chris
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320i g20 remap

Top man
His level of knowledge is something else
Probably the best Bmw performance remap in the UK
Give you the exact figures can be achieved
Extremely happy
Thanks a lot Jason
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BMW 325D Remap

Hi, what can I say I was a little sceptical at first as my previous 3 series (320d) was remapped by some back street garage and was smoking and clutch wore too. I told these guys I wanted a good map that would not stress my manual gearbox too much but still be good.
So they got it up too 257bhp from 200bhp but the power delivery seems more smooth/gradual and they also did a diagnosis before they remapped so can't fault them see why they have a such a good reputation !
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BMW quality upgrade

The whole team at BW Chiptune looked after my needs from start to finish of my upgrade project.

This included some initial advice, fitting of the upgrades and the necessary coding required.

A top job, well done. Thanks . [L. Belizaire e90 LCI]
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