When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
Now that it’s been “topped up” if I don’t charge it for a few days then throw it on the charger it only takes a couple hours to be topped up again, not a long time at all.
Now that it’s been “topped up” if I don’t charge it for a few days then throw it on the charger it only takes a couple hours to be topped up again, not a long time at all.
The only fix is to modify the suspension to allow greater adjustment, either arms or offset bushings. BTW, adding offset just makes it worse, making mods even more important.
Nice - looks like I found my new tires. I have 8k miles on stock set and the inside of the front wheels is definitely wearing unevenly. Thinking I'll get through the summer and these may need replaced next year
When that happened twice, did you destroy the wheel or were you lucky?
Lucky
The winter one we were going 100kph in the left lane heavy traffic with the kids in the car full trunk on the way to the lake. The warning systems worked and I watched the pressure PSI bleed down from yellow to red as I scooted over slowing down as it approached zero. There was an offramp right there so I decided to sacrifice the rim and drive 1/4 mile to a Wendy's parking lot and safety. I went slow and rim was fine.
The summer one I was alone in the city diving slow and got to pull over right away and put the spare on.
I hate the 213 don't have a place for a spare. I have a euro spare tire, rim, bag, and tie down but leave it in the basement. Keeping it in the car makes the rear annoyingly unusable for how we live ife.
Last edited by I.T. Guy; Jul 29, 2025 at 02:11 PM.
Miss my 2021 AMG Wagon but got tired of gremlins at age 64. Just sold TSLA stock and bought a 2025 GR Corolla 6-stick. Besides my 2024 AWD Maverick 2.0T greatest purchase ever! Once I saw Jay Leno and Johnny Lieberman from Motor Trend review GRolla on YT Leno’s Garage mind was made up. Keep the backseat folded down in the hatchback for wagon vibes…lol
Hit push to start button and everything works as Engineered. They only make 49 a day at same Japanese plant that made the Iconic Lexus LFA by seasoned Toyota Specialists akin to AMG Engine Builders. I recommend @I.T. Guy buy one for your Son so you can drive it to work!
Still own 2015 Chevy SS 6-stick but my Ducati is now For Sale!
Last edited by Drone_S213; Aug 2, 2025 at 03:43 AM.
Since the car needs front tires I'm down a wheel and tire rabbit hole. So when I read @Drone_S213 post the only thing that jumped out at me was "49" because that's a good rear offset for rear rims! :P
What I've decided so far
1) Must keep using 30 or 35 series tires. 25 aspect ratio is out.
2) Maximum meat. I want to stuff the largest tires possible Front and Rear. I think that is 285 front and 315 rear. Has anyone done 295 front?
3) Do not want front spacers.
4) The new Pilot Sport S5 M01 while nifty is not available in non OEM sizes, so that's out.
5) Still be able to lower (so no 325 rear like one member has done)
What I haven't decided:
Upgrade to 21" or stay 20".
If I do new wheels they should be 21" or why bother. But will they be too large with the 30 aspect ratio tires?
Front 10" wide ET 10ish
and Rear 11" ET 50ish
This is where I get stuck
Tire sizes
From the wonderful After Market Wheel thread I see 285 and 315 will fit no issues in 20 or 21"
I *think* 20" looks a bit small and 21" looks perfect when using 305's in the rear. But I want 315.
I *think* 315 looks a bit chunky in the rear on 21's - a bit too tall for the wheel well, so do I go to 305?
What I don't know is what 315's on 20" wheels looks like on the E63.
And just to prove I'm crazy and all over the map I'm contemplating keeping the stock wheels and making them OEM++. I've used weldcraft wheels in the past on other projects so did some maths and believe adding 1" to the inside of a stock rear wheel and using a 15mm spacer will work perfectly, turning it into a 11" wheel. Voila, 315's. The front 9.5" wheel can take a 285 tire so there is that too. Unsure if front will need spacers to clear internal suspension stuff.
I have done the math but am not posting the answer to avoid confirmation bias. Anyone want to check this?
On a 254mm wide wheel the centerline is 127mm The ET is +55 (55mm from the centerline towards the front/outside) Add 25.4mm material to the rear/inside barrel, moving the rear back 25.4mm Now you have a ~280mm wide wheel, with the centerline at 140mm What is the new ET?
And to keep it simple both trains leave the station at the same time.
PS I asked A.I. and it was "wrong" and I had to question it back 3 times until it got my answer.
We are doomed either way
1) I'm wrong but IA just gave into my pressure and caved or
2) I'm right and can never trust AI unless I argue with it
IT'S MATH how can a giant calculator be getting addition and subtraction wrong?!
I use AI nearly every day and I've learned to never trust it for anything. It may be OK to write an email, but anything technical should be taken with a grain of salt (if that much).
A 10.5" ET22 wheel puts the outside of the wheel and tire at the exact same place all the "known" setups using 10" rims and ET10 are running at, which is the same as my stock wheel with 15mm spacer. So we know the outside will work.
The 10.5" ET22 wheel puts the inside of the wheel and 9cm inward from what the stock 9.5" ET25 setup is.
I guess I need to measure some stuff and see if the car can clear another 1cm inboard from stock.
PS I asked A.I. and it was "wrong" and I had to question it back 3 times until it got my answer.
We are doomed either way
1) I'm wrong but IA just gave into my pressure and caved or
2) I'm right and can never trust AI unless I argue with it
IT'S MATH how can a giant calculator be getting addition and subtraction wrong?!
LOLZ
Which AI did you ask? I will sometimes ask both ChatGPT and Gemini to see how they compare.
I rolled around on my back around the front wheel with a 2 foot long 1" dowel
By feel laying the dowel across the the back of the 9.5" wheel all round and trying to wedge it into places. It seems like there is only one spot near the top of the wheel where the 1" dowel fits in then only has 1/8" wiggle room to/from sitting flush on the wheel/tire. So it appears perhpas a 10.5" front wheel is possible! I will still want to use a lift and proper straight edge and test steering from lock to lock, but this is very encouraging!
I rolled around on my back around the front wheel with a 2 foot long 1" dowel
By feel laying the dowel across the the back of the 9.5" wheel all round and trying to wedge it into places. It seems like there is only one spot near the top of the wheel where the 1" dowel fits in then only has 1/8" wiggle room to/from sitting flush on the wheel/tire. So it appears perhpas a 10.5" front wheel is possible! I will still want to use a lift and proper straight edge and test steering from lock to lock, but this is very encouraging!
static vs dynamic tolerances - had success with a stationary setup only to have rub at speed with bumps and road contours ... hopefully it works out for you; I see in the other thread you've worked through all this geometry significantly
Last edited by PeterUbers; Aug 5, 2025 at 07:39 PM.
Mercedes SLR McLaren 722 S Is Extremely Rare Example Modified by McLaren
Slideshow: A one-of-one U.S.-spec Mercedes-Benz SLR McLaren Roadster became even rarer after a factory-backed transformation at McLaren's headquarters.
