Nearly all modern-day turbo BMW’s pushing the envelop of horsepower are working JB4 piggyback tunes coupled with back again-end flashes.

Dependant upon the auto, the DME / ECU might be Positioned in various sites. For most cars, the is found while in the engine bay. When checking out on our website, there are in-depth removing Recommendations on your particular automobile.

Fortuitously, for us performance enthusiasts, turbo engines generally leave plenty of electricity on the desk. Tunes on your own are able to incorporating 50-one hundred+ horsepower on if not inventory engines. On the other hand, There exists a lot that goes into deciding on the ideal tune on your goals.

Very similar to other electronic elements, BMW ECU failures are widespread and can be because of numerous causes. Locating out what caused your DME failure can assist establish no matter if you require an ECU repair or maybe a replacement.

As an extra example, the N54 operates about 8psi inventory Increase. You then set up the JB4 tune which targets, Enable’s say, 14psi. The turbos are certainly jogging on fourteen lbs of Improve, however the DME even now sees 8psi.

Make sure you Observe, that you'll be answerable for all return shipping and delivery expenses. We strongly propose that you simply make use of a trackable process to mail your return. 

If not completed appropriate, flash tunes may possibly likely operate ignition timing that may be too intense. BMW’s have fantastic knock sensors and the DME is quick to respond. Having said that, Driving the knock sensors isn't a good idea.

Electrical parts are examined prior to purchase and if returned, all units will be inspected for burnt parts, Actual physical injury, and h2o harm. Returns might be processed within the buy received and could have a greater dealing with time than buy processing.

Should you working experience any of these indications you'll be able to mail us your BMW ECU/ DME for any repair or replacement service. The moment we receive your BMW DME our Specialist team will perform a complete take a look at and diagnostic check on the DME. Our team of specialized professionals can then endorse a repair or replacement DME, according to the success.

For EU and United kingdom consumers: This does not have an affect on your statutory rights. Until particularly observed, believed shipping and delivery periods reflect the earliest offered supply, and deliveries will likely be designed within thirty days after the day we acknowledge your get. For more information make sure you seek advice from our Conditions.

All periods and dates supplied for supply of your products are given in great faith but are estimates only.

If supply is delayed for any explanation We're going to let you already know as quickly as possible and can suggest you of more info the revised estimated date for shipping and delivery.

All moments and dates presented for shipping in the merchandise are presented in very good faith but are estimates only.

An ECU diagnostic take a look at will need to be operate in your existing DME / ECU to see if a repair can be carried out, or if replacement is needed. The end result in the ECU test will establish the cost of your BMW ECU repair.