Rim size suitable for car?
Hi, I have a question regarding new rims for my car. I'd like to buy new rims for my small car, preferably larger ones. However, the registration document states that the rims are only approved for this vehicle up to 15 inches. However, when I configure a rim for my model, it always displays 16 and 17 inches. How do I know that the inch size will actually fit and that the TÜV inspector will accept it?
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There are 2 things you need to consider with regard to tire size (pressing depth now left out):
The tire dimensions that are allowed in the COC papers for your car, you can drive.
Otherwise, the speedometer must have voices… He may not do that if you mount a tire with too large a rolling circumference!
This means that you are allowed to drive more than registered, or then even the speedometer would have to be adjusted if you want to make a single take for a larger tire size by the TÜV…
Then there is still a way to get bigger rims WITHOUT increasing the rolling circumference: you select larger rims, but to do so according to low-cross-sectional tires (the second number in the tire size) so that the wheel has a rolling circumference, as one of them is already registered. Then there are no problems with the TÜV entry. There are also computers on the Internet for the roll circumference.
In general, the rim also has to have an ABE for the car, from the tables of the rim manufacturers it is normal to see whether a rim fits the car with or without modifications on the car.
The other dimension is the width:of course, it can only be so wide that in no driving condition (fully springed and hammered) nothing grinds or anything. I would rely on the statements made by the rim manufacturers in the ABE.
If you are now configuring yourself for example with Felgenoutlet or the like, and all about the HSN number and so you can rely on the information? There is a problem that the complete wheel comes with Abe which does not require a single/double removal as long as the remaining vehicle is original. But I can't imagine that I'm just allowed to drive 18 inches on the car.
Yeah, well, that's what it says.
Here is also a good link:
https://blog.reifen-vor-ort.de/felgen-register-instruction-and-cost-beim-tuev
You can possibly also add a 205/35R18 to a car on which 175/65R15 can be driven – the rolling circumference is quite the same… only the possibly much more uncomfortable because just so little 'ripe' remains, with such a small cross section (width must of course also fit).
There are such computers for the roll circumference:
https://www.reifen-vor-ort.de/reifencomputer
You can theoretically drive more and more rims than entered in the vehicle certificate, but you can't go smaller. But I assume that you have to let this go… That's what I heard.
You'll find the answer in the report on the wheels.
Can you download this before buying?
Of course. You can also provide comprehensive and competent advice to the tire dealer.