AC Schnitzer wheel 9.0 x 21" Type VIII "BiColor" offset 42 for BMW 4 series F36
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AC Schnitzer wheel 9.0 x 21" Type VIII "BiColor" offset 42 for BMW 4 series F36
AC Schnitzer wheel 9.0 x 21" Type VIII "BiColor" offset 42 for BMW 4 series F36
   
  • 36112105008
€786.00 * €1,635.00 * (51.93% Saved)

Prices incl. VAT plus shipping costs

Ready to ship today,
Delivery time appr. 1-3 workdays

Available

Product information

Overview

for front- and rear axle
for cars with trailer hitch on request!

Type VIII Lightweight Forged Wheels

- slender design of the wheels thanks to high strength material
- machined original AC Schnitzer logo
- machined ”Forged“ logo on the front
- high quality clear lacquer protects the wheel against corrosion, therefore
- long-lasting
- open design in BiColor Anthracite/ Silver, giving a clear view to the brakes

Uniqueness of the lightweight forged rims Type V:
- Made in Germany
- Weight-optimized
- Developed exclusively for BMW vehicles
- With exclusive AC Schnitzer and forged lettering
- Compatible with standard RDC system
- also available as a complete wheel
- Warranty 2 years
- Production monitored according to ISO standard
- BiColor Silver/Anthracite optionally also in Anthracite
- KDS mount for wheel alignment according to BMW specification is available
- Spacers/mounting package for the best possible position in the wheel arch (to be ordered separately)
- Assembly package vehicle specific
Scope of delivery:
- Rim Type VIII Forged BiColor Anthracite/ Silver
- Specific hub cover
- Quality tag
- homologation certificate
- Optional vehicle- and rim-specific mounting and fastening material
- Certificate of Authenticity
- 2 years manufacturer's warranty

Description

Philosophy/Design State-of-the-art rim technology: AC Schnitzer Type VIII Forged Alloy Wheels This wheel generation was specially designed for the more sporting BMW models embodies an apparently fundamental contradiction. A reduction in weight with the same unchanged wheel diameter and width. This trick has been pulled off by the AC Schnitzer engineers and designers in collaboration with legendary wheel manufacturer "FUCHS“ which, in comparison with their standard BMW counterparts (e.g. Performance Twin Spoke 269), give a weight saving of 4.2 kg per wheel. This leads to a reduction in gyroscopic forces of 33.6 % on the axles, and as a result brings a perceptible improvement in cornering handling with a simultaneous increase in driving pleasure. Roman Fenners, responsible for the development at AC Schnitzer, describes the difference in driving sensation as follows: “16.8 kg unsprung mass less on the car is a huge amount. The car's handling is immediately much better. If you have 16.8 kg spinning around the axles, the weight - depending on speed - feels up to 4 times as much. So the AC Schnitzer Type VIII forged alloy wheels are saving 67 kg in driving dynamic terms. And that is sensational.” Because of the special material structure, the design of the Type VIII forged alloy is slimmer than that of other members of the Type VIII wheel family. - High quality lightweight forged wheels save approx. 25-35% weight, compared with conventional cast wheels - perceptible reduction in unsprung mass and gyroscopic forces on the car, therefore - significantly improved driving dynamics - significantly improved acceleration and deceleration due to lower masses - improved cornering handling - machined ”Forged“ logo on the front - machined original AC Schnitzer logo - high quality clear lacquer protects the wheel against corrosion, therefore - long-lasting - open design in Anthracite/Silver Material About 97 percent of the melt consists of aluminium, but the remaining three percent of the wrought alloy also helps to influence the desired properties of the material for the ideal wheel. In addition to the main component aluminium, the alloy also contains one percent magnesium and one percent titanium each (which ensures finer grain size). The precise composition of the material alloy has a decisive influence on the subsequent properties of the wheel. Pure Aluminium Approximately 97 percent of the alloy consists of pure aluminium. The remaining three percent of the wrought alloy is important for the properties of the material. Chrome The AlCr20 master alloy with the hard metal chromium improves recrystallisation resistance. Master alloy means a mixture of aluminium with other materials, in this case it is a maximum of 0.25% by weight of chromium, i.e. a very small amount. Magnesium Together with pure silicium, magnesium leads to a higher strength of the total alloy. The maximum proportion of these materials is 1.2 and 1.3 percent by weight, respectively. Titanium These glossy ingots are the master alloy AlTi5B1, which serves a finer grain structure of the total alloy. The proportion of the expensive raw material titanium is only 0.1 percent by weight. Silicium These irregularly shaped lumps are only added to the alloy together with magnesium. This increases the strength. The silicium content is between 0.7 and 1.3 percent by weight. Manganese The addition of 0.4 to 1.0 % manganese makes the alloy tougher. Manganese has a positive effect on recrystallisation behaviour. Manufacture Forging - an elaborate process that must offer maximum safety. In many steps the wheel is prepared for its important task for a long car life. The process control guarantees excellent material properties, which are the reason for the low weight of our forged wheels. Even in critical driving situations, forged wheels offer the occupants optimum safety. Step 1: The nozzle A cast block more than 6 m long manufactured by OTTO FUCHS is the starting material from which a socket, which is precisely matched to the later wheel, is sawn off. Step 2: Pre-forging In the first forging stage, the nozzle is pre-forged into a rotationally symmetrical blank with a force of 4,000 tons. Step 3: Design forging In the second forming stage, the styling is pressed into the pre-forged blank under a 7,000 ton press, which gives the wheel its later appearance to a large extent. Step 4: Punching In the last forging stage with 800 tons of pressing force, the later ventilation hole windows and the hub bore are punched out and the burr of excess material sheared off at the outer circumference. Step 5: Flow pressing The outer edge of the blank is heated. The entire rim area, from outer to inner horn, is rolled out. Step 6: Finishing The final step is finishing: turning, drilling and deburring. Painting rounds off the complex process. Source: Material and Production: Otto Fuchs KG Surface BiColor In this process, the wheel is first primed and then completely painted.. Now the surfaces, which are later to shine metallically bright, are turned off and then polished to a high gloss. Finally, a two-layer clear coat is applied, consisting of a polyester primer and the acrylic clear coat. Test Procedures / Safety After their design, the first sample rims are manufactured under real production conditions. These must undergo a multitude of tests. Among other things, the strength is tested. The "rim life" is simulated in the bending circumferential test. Every AC Schnitzer rim must withstand this intact in order to be allowed to be produced and sold at all. This is followed by vehicle-specific tests, including test installations with check of unobstructed movement and driving tests on public roads and on race tracks. Only after these procedures our rims receive their homologation, i.e. the approval to be used in road traffic. Wheels are safety-relevant components. Therefore, they are checked and tested with the greatest care. This starts with the first chemical material tests and ends with hard testing machine endurance runs: - § 30 StVZO wheel guideline - ECE R124 - Bending-rotation tests - 90° impact test - unwinding tests Scope of delivery: - Rim Type VIII Forged BiColor Anthracite/ Silver - Specific hub cover - Quality tag - homologation certificate - Optional vehicle- and rim-specific mounting and fastening material - Certificate of Authenticity - 2 years manufacturer's warranty Uniqueness of the lightweight forged rims Type V: - Made in Germany - Weight-optimized - Developed exclusively for BMW vehicles - With exclusive AC Schnitzer and forged lettering - Compatible with standard RDC system - also available as a complete wheel - Warranty 2 years - Production monitored according to ISO standard - BiColor Silver/Anthracite optionally also in Anthracite - KDS mount for wheel alignment according to BMW specification is available - Spacers/mounting package for the best possible position in the wheel arch (to be ordered separately) - Assembly package vehicle specific

Multimedia & Documentation

Via the following link you will find further relevant information on the product, such as installation instructions or the expert opinion (provided the product is approved for road use).

OPEN DOCUMENT

Please consider the following assembly items when ordering:

Select the item to be added to the shopping cart.

benötigt
AC Schnitzer adapter pack
Part No. 361345115
Info: for front axle
€31.00 *

Ready to ship today,
Delivery time appr. 1-3 workdays

AC Schnitzer adapter pack
Part No. 361345120
Info: for rear axle
€55.00 *

Ready to ship today,
Delivery time appr. 1-3 workdays

*incl. 19% VAT.

Do you wish an assembly?

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AC Schnitzer wheel 9.0 x 21" Type VIII "BiColor" offset 42 for BMW 4 series F36

  • 36112105008
€786.00 * €1,635.00 * (51.93% Saved)

Prices incl. VAT plus shipping costs

Ready to ship today,
Delivery time appr. 1-3 workdays

Available

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