Can my dad tune his x5d?

[Maddict3]

hey guys,


My dad recently asked me to find out if there is anyway to tune his x5d? if so will it run out of warranty?

thanks

[watrob]

There are quite a few tuners out there, just google. They even advertising on this site, and yes you could void your warranty if you have a engine fail.

Although I have not seen an diesel engine break, you can pick up 100nm of torque with a tune.

Even use the "search" on the forum here, you will find plenty of info.

[jddssc121]

it will not "run of out warranty". Contrary to what some people say on forums, you cannot "void" a warranty. What you can do, however, is have a specific warranty claim denied if a mod you did can be shown to be the cause of the failure. e.g. - I put a new exhaust on..... That doesn't mean i can't file a warranty claim for my windshield wipers, but it could be cause to deny a powertrain claim... "your exhaust caused increased back pressure which in turn dorked up your engine. Claim denied"

here's a pretty good write up on it. http://forums.nasioc.com/forums/showthread.php?t=803106

[NRG]

Piggybacks generally cheaper solution and can be easily removed prior to dealer visits by the user. Some of them:

BMS JBD, VAC Module, DTUK CRD-T.

ECM Remap is a finer and more expensive approach to tune the engine and per tuner claim are undetectable on the dealer level. However it can not be removed by the end-user before the service visits. Some of them:

Evolve, RennTech, Mega-Speed.

Here is a very detailed article on box vs remap: http://www.endtuning.com/dieseltuningboxes.html