295/30/19 ON A 166REAR?

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Jul 13, 2006 | 11:31 AM

#11

BetterMakeWay

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From: Bucharest, Romania

Where can i find the offset for the 166 rim? And for 167?
Thank you.
I'm asking because i want to go bbs so probably i would have to look for similar offsets with the 166 rims right? So that there are no suprises! Cuz i still don't get it with the offset...if the offset (number) is big you have to add spacers? How thick? Or is it the other way around?!
I'm so messed up...

Jul 13, 2006 | 03:08 PM

#12

alts

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My Ride: 2004 BMW 645 black sapphire metallic, 19" Style 166 (245/40 & 285/35 w 15mm spacers)

Quote:

Originally Posted by BetterMakeWay' post='310331' date='Jul 13 2006, 10:31 PM

Style 166 Offset for the rear is 28 and front 12. Offset is the other way round you explained - if the offset is small, then you'll have to use spacers (spavers are as thick as you are missing the offset) The smaller the offset, the more need for spacers. Style 167 has the same offsets as Style 166.

Regards,
Allar

Jul 13, 2006 | 04:09 PM

#13

jsal

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From: Santa Barbara, CA

My Ride: 2004 545i - 6 speed manual (July 04 build), silver-grey/black, sports package std equipment (18", active roll, active steering, adaptive headlights), premium sound, bluetooth enabled, folding rear seat, lumbar, 3m hood/bumper protective film, rear tint, euro reflectors.

Quote:

Originally Posted by jiio' post='309814' date='Jul 12 2006, 10:05 AM

Replying to your original question... Yes, it is possible. See this link http://www.m5board.com/vbulletin/showthrea...p;highlight=295

Attachment 21618

I don't think it will work. Yes it will fit on the rim, but I don't know whether it will fit on the car. Your two concerns are:

(1) Fit on car: If you compare the 295/30 with a 285/35, which appears to be the biggest tire you can fit on a 166M without clearance issues. The 295/30 is smaller diameter but .39 wider. Looking at the 285/35 on my car, I don't think there is enough room width wise to go any bigger. The 285/35 is 1" diameter bigger, but currently it sucks up into the wheel well. So, if your tire is sticking past the fender edge, I would think it would hit, unless you do some suspension mods or possibly roll the fender.

(2) ratio of front tires to back. The 295/30 with a 245/35 (front, what most people are running) as a .22 diameter difference from front to back. Stock is a .14. My guess is that this is close enough, but nobody really knows what the DSC can deal with.

Jul 13, 2006 | 04:22 PM

#14

vegastrashed

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From: San Diego, CA

My Ride: 2007 E63 AMG | Obsidian Black | Schwarzes Nappa | Black BirdEye Maple | Premium II Package | Electronic Trunk Closer | Parktronic Engine: RPi/Powerchips custom ECU tune, RPi Ram Air Kit (BMC filter, scoops), RennTech Sport exhaust, secondary cats, charcoal and resonator delete, custom AAA x-pipe Exterior: 50% side windows / 35% rear window Formula One Pinnacle Series | Flat AMG hood emblem Suspension: Renntech Lowering Module Wheels/Tires: Radenergie R10, Falken FK452 245/30/20, Yokohama ADVAN Sport 285/25/20 ----------------------------------------- 2005 545i Sport SMG | Ti Grau | Schwarzes Dakota | Anthracite Maple | Logic 7 | Nav Engine: Custom AFE CAI, Superchips ECU remap, Sprint Booster, RDSport Dual Exhaust Conversion with Quad Pipes and X-pipe, 3 resonators deleted, 90mm tips! Exterior: M-Tech Aero kit | M5 Mirrors | M5 Rear Bumper | Trunk Lid Finisher | Vorsteiner decklid spoiler | 50% Formula One Pinnacle Tint Suspension and Brakes: Bilstein PSS9 coilovers, JBT BBK: 16" cross-drilled rotors, 8 piston and 15" cross-drilled rotors, 4 piston Wheels: VIP Modular VR 02 20x9F, 20x10R | Toyo T1R 245/30/20F, 285/25/20R Lights: PIAA 4150K Xtreme White Plus fog lights, AIB v3 MOST IMPORTANT: Hardwired V1; =) ED Date: 4/7/05, Re-delivery date: 5/21/05

Thanks for replying jsal. You would be one of the most knowledgeable people on this matter considering all the research you did before choosing the tires for your ride.

Jul 13, 2006 | 06:01 PM

#15

tsilveracs

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From: Orlando , in the OC eastcoast

My Ride: 06 (Oct. prod.) 530i Titanium Silver / Black Leather - prem. pkg., step,nav,park dist,comf seats,xenon, push start, comf accs, rear fold seats...can't remember anymore... Mods: Radenergie R-10's 20x 9,20x 10 Mich PS2 tires 245/35fr 285/30rr, Eibach prokit springs, AC Schnitzer front lip, ACS side skirts, ACS exhaust, ACS silver carbon interior and Hamann rear trunk spoiler...to be cont.

thanks jsal for the great info...

Jul 14, 2006 | 05:14 AM

#16

BetterMakeWay

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From: Bucharest, Romania

Quote:

Originally Posted by alts' post='310437' date='Jul 14 2006, 02:08 AM

Ok thank you. So if the rims i intend to buy have way bigger offsets what kind of problems can i run into? What is the max offset supproted by the E60 F/B?

Jul 14, 2006 | 08:09 AM

#17

vegastrashed

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From: San Diego, CA

I'll post back here later about offsets. It's giving me a headache too.

Alright, I finally made the effort to read up on offsets. I know now that negative offsets are not recommended. Every wheel that I've seen here has a positive offset it would seem. Let me back up before I continue. What is an offset? Take your rim width, find the centerpoint(middle). Determine where the mount surface is.

1. Mount surface behind the centerpoint = negative
2. Mount surface in front of the centerpoint = positive
3. Mount surface equal to centerpoint = zero

Measure the distance between mount point and centerpoint. That will be your offset number.

Picture here is an example of a positive offset. The dotted line is the centerpoint of the rim. The orange line is the mount surface.