Enter the intercooler: it is important to pay attention to this!

de Deutsch

Intercooler large intercooler effect 3

In terms of registration, an improved intercooler is actually not a problem in combination with factory-charged turbo/supercharged engines. Because it is primarily useful for the longevity of the vehicle. Nevertheless, it can happen that the vehicle produces more power by installing a larger intercooler, even without further changes. That's why it is according to § 19 StVZO imperative after building a larger one Intercooler Also bring a performance chart with you for registration.

enter the intercooler (LLK).

Dekra test center Tuev Kues main inspection 6

Supercharged engines with intercoolers produce more air density, which leads to better combustion in the combustion tract because there is more space for the fuel with the same oxygen content.

This performance diagram must prove that the vehicle still corresponds to the performance specified in the vehicle registration document, even with the conversion of the LL cooler. To be on the safe side, the intercooler should not necessarily be a no-name cooler and of course it must be installed according to the regulations and firmly enough. At best, the LLK is attached to the top and bottom. With some intercoolers, however, additional brackets must be attached. Tip: Please keep in mind that the performance chart carried is only a few days than for the testing organization.


  • a larger/better intercooler changes the exhaust emissions in petrol and diesel engines
  • Changes in the emission values ​​lead to an obligation to register the LLK
  • an intercooler should have a TÜV parts certificate

Of course, that wasn't the end of it.

tuningblog.eu has a lot of other articles on the subject of auto & tuning in stock. Do you want to see them all? Just click HERE and look around. But also planned changes in the law, violations in road traffic, current regulations in the field of STVO or on the subject inspection we would like to inform you regularly. Everything you can find in the category "Test sites, laws, offenses, information". Click on one of the following posts!

other related posts

Entries on the body: Body add-on parts!

1968 Chevrolet Camaro Oldsmobile mid-engine 17 310x165

Interesting facts about driving without a license!

Police Driver's License Lawyer Lawyer Confiscation E1642769611266 310x165

Illegal: Polishing headlights is not allowed!

QUIXX headlight restoration set example vehicle 1 310x165

All-round speed camera: the horror of traffic offenders!

Nano Parifex all-round speed camera radar detector 310x165

"tuningblog.eu" - on the subject of autotuning and car styling, we keep you up to date with our tuning magazine and present you with the latest tuned vehicles from all over the world every day. It is best if you subscribe to our feed and will be informed automatically as soon as there is something new about this post from the test centers, laws, offenses, information & co. corner. And of course to all other contributions.

Leave a Comment

Your e-mail address will not be published.