06-20-2014, 03:37 PM | #1 |
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F8X M3/M4 Macht Schnell wheel spacer reference thread
One of the first things that can really enhance the appearance of your new M3 are spacers. Not only can they be aesthetically pleasing, but the added track width can improve handling characteristics as well. Often the question of "what size spacers can I run" is brought up numerous times on the forums. This can be a bit of a loaded question since there are many variables to account for.
This thread will serve as a reference to help make their decision based on the above criteria. Examples - Wheel choice (OEM 18", 19" or 20") - Tire choice - Suspension - Driving habits/track use - Aesthetic preference Wheel/Tire Specifications OEM F8X M3/M4 Wheel Specs - 18x9.0 Front (ET29) 18x10.0 Rear (ET40), Style 513M - 19x9.0 Front (ET29) 19x10.0 Rear (ET40), Style 437M OEM F8X M3/M4 Tire Specs - 18": Michelin Super Sport/Continental ContiSportContact 3: 255/40-18F, 275/40-18R - 19": Michelin Super Sport/Continental ContiSportContact 3: 255/35-19F, 275/35-19R OEM F8X M3/M4 ZCP Wheel Specs - 20x9.0 Front (ET29) 18x10.0 Rear (ET40), Style 666M - 20x9.0 Front (ET29) 19x10.0 Rear (ET40), Style 666M OEM F8X M3/M4 ZCP Tire Specs - 20" Michelin Pilot Super Sport/Continental ContiSportContact 3: 265/30-20F, 285/30-20R Entry Formatting Please submit your entries using the following formatting: 1. The year/model of your BMW: (ie: 2015 M3) 2. Wheels/offset: Front: (ie: 18x9.0 Style 513M, ET29) Rear: (ie: 18x10.0 Style 513M, ET40) 3. Tire size: Front: (ie: Michelin PS2 255/40-18) Rear: (ie: Michelin PS2 275/40-18) 4. Suspension: (ie: Stock, Adaptive M w/ H&R Sport Springs) 5. Macht Schnell Spacer size: Front: (ie: 18mm) Rear: (ie: 15mm) Let's begin.
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Tom G. | european auto source (eas)
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06-20-2014, 03:41 PM | #2 |
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Pre-Installation There's a bit more to installing spacers than yanking the wheels off and sandwiching them between the wheels. Here's how to determine what kit is needed. The outermost point of your tire/wheel combo will be at the outermost "bulge" of your tire's sidewall. Using a straightedge or ruler flush with both the top and bottom of the tire - measure the clearance from the outer face of the tire to the inner lip of your fender and record the results onto paper for later. We can gauge the clearance using a tape measure: 1. Begin by jacking up the vehicle and securing with jackstands. Remove wheel and clean hub of all dirt and/or surface rush with a wire wheel to ensure a clean and flush mounting surface, eliminating the chance of vibration: 2. A small amount of anti-sieze on the hub lip will make spacer removal easier if needed 3. Extended lugs must be used and are included with all Macht Schnell spacer kits and cannot be carried over from E9X chassis. Secure wheel with new fasteners and torque to 103ft lbs, reinspecting after 50 miles. Reference OEM Wheel Specs 18" Style 513M Wheels: 18x9.0 Front (ET29) 18x10.0 Rear (ET40) Tires: 18": Michelin Super Sport/Continental ContiSportContact 3: 255/40-18F, 275/40-18R 19" Style 437M Wheels: 19x9.0 Front (ET29) 19x10.0 Rear (ET40) Tires: 19": Michelin Super Sport/Continental ContiSportContact 3: 255/35-19F, 275/35-19R 20" Style 666M Wheels: 20x9.0 Front (ET29) 20x10.0 Rear (ET40) Tires: 20": Michelin Super Sport/Continental ContiSportContact 3: 265/30-20F, 285/30-20R Installation Tools needed Electric/Pneumatic Impact Gun 17mm Deepwell Socket Wire Wheel/Brush Anti-Sieze Torque Wrench 1. With vehicle securely on jackstands, remove wheel 2. Clean both hub surface/lip and back of wheel with wire brush to remove any surface rust 3. Brush light coat of anti-sieze onto hub lip to aid in easier removal later on 4. Install spacer onto wheel hub and line up with lug holes 5. Reinstall wheel 6. Lightly cinch provided longer wheel lugs with electric impact, DO NOT TORQUE INTO PLACE. Final torque will be applied with torque wrench. 7. Remove jackstands and lower vehicle. Torque wheel lugs with torque wrench to 103ft.lbs. with wheels on ground 8. Admire your handywork. Enjoy! Be sure to re-torque after 50 miles. Last edited by tom @ eas; 06-15-2016 at 11:39 AM.. |
06-20-2014, 03:42 PM | #3 |
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Before
equipped with Macht Schnell Competition Spacer kit: (20mm front, 20mm rear) Year/model BMW 2015 M3 Wheels/offset Front: 19 x 9.0 Style 437M, ET29 Rear: 19 x 10.0 Style 437M, ET40 Tire size Front: Michelin Pilot Super Sport 255/35-19 Rear: Michelin Pilot Super Sport 275/35-19 Suspension Adaptive M Suspension, Stock springs Spacer size Front: 20mm Rear: 20mm
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Tom G. | european auto source (eas)
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06-20-2014, 03:44 PM | #4 |
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Tom, did Josh have spacers put on his F80 M3 today? If so, what sizes? I'll be down there to slap some on mine - as usual - once I get my car.
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06-20-2014, 04:05 PM | #5 | |
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More M3s coming in next week!
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Tom G. | european auto source (eas)
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06-20-2014, 04:09 PM | #7 |
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F-chassis uses a 14mm stud, it will need to be replaced.
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06-20-2014, 04:11 PM | #8 |
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06-20-2014, 05:06 PM | #9 |
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Forgot about your F30! Your current lugs will work, not a problem.
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06-20-2014, 05:07 PM | #10 |
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06-20-2014, 09:20 PM | #11 |
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Just took delivery of M4. It needs spacers more than a drop. Really needs spacers. Will follow this thread.
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06-23-2014, 04:50 PM | #13 |
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Would be hard to find a ET60 wheel. Keeping the thread M3/M4 related to eliminate confusion, or please PM me directly.
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06-23-2014, 04:59 PM | #14 |
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Wheel specs and images posted in Post #2.
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06-27-2014, 05:51 PM | #15 |
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Year/model BMW
2015 M3 Wheels/offset Front: (ie: 19 x 9.0 Style 437M, ET29) Rear: (ie: 19 x 10.0 Style 437M, ET40) Tire size Front: Michelin Pilot Super Sport 255/35-19 Rear: Michelin Pilot Super Sport 275/35-19 Suspension Adaptive M Suspension, Stock springs Spacer size Front: 12mm Rear: 15mm Notes Opted to replace extended wheel lugs (included) with 90mm Macht Schnell Competition Studs since vehicle will be used on track (frequent wheel changes). Vehicle has optional Carbon Ceramic Brakes, which does not have any variances from non-equipped F8X models in terms of fitment. F80 M3 Macht Schnell Spacer & Stud (new stance)
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06-29-2014, 03:42 PM | #16 | |
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06-30-2014, 04:55 PM | #17 |
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Same specs apply with or without CCB.
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06-30-2014, 05:28 PM | #18 |
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Year/model BMW
2015 M3 Wheels/offset Front: (ie: 19 x 9.0 Style 437M, ET29) Rear: (ie: 19 x 10.0 Style 437M, ET40) Tire size Front: Michelin Pilot Super Sport 255/35-19 Rear: Michelin Pilot Super Sport 275/35-19 Suspension Adaptive M Suspension, Stock springs Spacer size Front: no spacer Rear: 10mm
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07-01-2014, 11:39 AM | #19 |
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So spacers appear to be a pretty popular mod on the M3's. Most seem to maintain that the wheel wells have a better look with some amount of space taken up to fill in the gap. Here's my question- if it looks better, and it offers some minimal handling improvement, why are the cars not engineered that way? Is there a DOT rule or some sort of benchmark they need to adhere to? Or are they designed with the stock gaps because that is the geometry that the engineers at BMW found work best? Cause if it's the first, I'm interested in doing this to my ride. If it's the latter, I would be inclined to stick with what the engineers intended.
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07-01-2014, 11:42 AM | #20 |
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Second part of my question- at what point on the m3 with stock 19" wheels will you start having debris fly up and soil your car? My highly modified wrangler 35's stick out about 2" past my fenders and tho it looks cool, it's a pita to keep clean! I would want full fender coverage on my m3 and will want the tires to look stock- only with a subtle improvement. Thinking 20mm may be overly aggressive with my goal in mind.
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07-01-2014, 11:48 AM | #21 | ||
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07-01-2014, 02:19 PM | #22 | |
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