Why does the drilling of the brake disc fixing not match the wheel hub when converting the brakes?

In brake system modifications, OE components from different vehicle models are often combined. Although all functionally relevant dimensions are coordinated, the position of the hole for the standard brake disc fixing screw may differ from the threaded hole in the wheel hub. This is design-related and not an indication of a wrong brake disc or a faulty fit—provided that the components specified in the product description are used.The fixing screw is solely used to temporarily hold the brake disc on the wheel hub with the wheel disassembled. It does not perform the centering or the force-fit fastening of the brake disc.The centering is done depending on the modification over the centering collar of the wheel hub or an included centering ring. When mounting the wheel, the brake disc is flat and force-fit clamped against the wheel hub flange together with the rim using the wheel bolts or wheel nuts.The standard fixing screw is not used in this case. Drilling or machining the brake disc or the wheel hub is neither required nor intended.

Why do we offer custom paint finishes exclusively in RAL colors?

RAL color tones are clearly defined and easily understandable for all parties involved. This allows misunderstandings in color selection to be avoided and the desired color tone to be reliably assigned.Individual manufacturer colors, special color tones or freely chosen color names cannot be fully covered due to the very large variety of colors. Therefore, custom paint jobs for all offered brake calipers and brake system kits are only possible with a clear RAL color number.

Which RAL colors can we not offer for the coating of our brake calipers?

We can paint your brake calipers in almost all common RAL colors. However, an exception is RAL fluorescent colors (neon/fluorescent colors) – we cannot offer these for brake caliper painting.The reason: fluorescent colors work technically different from normal RAL colors (they require special pigments/layer structures) and are significantly more sensitive in the "brake" application area. For a consistently clean, robust surface, we therefore rely on paint structures that have proven themselves in the brake area – and fluorescent RAL is excluded here.We do not offer these RAL fluorescent colors (examples)RAL 1026 Fluorescent YellowRAL 2005 Fluorescent OrangeRAL 2007 Fluorescent Light OrangeRAL 3024 Fluorescent RedRAL 3026 Fluorescent Light RedRAL 6038 Fluorescent GreenTip: If you want a "neon look," we often find a very similar non-fluorescent RAL alternative that is visually close and much more suitable for brake calipers.

My brake caliper is not exactly centered over the brake disc - what should I do?

If your brake caliper is not exactly centered over the brake disc, in most cases it is not a problem. Depending on the vehicle, model year, and mileage, axle tolerances can occur – and this even in newer vehicles.The most important thing is:👉 The brake caliper must have sufficient clearance on the left and right to the brake disc so that nothing rubs or permanently touches it.Many brake calipers also have locking bolts. It may happen that:there is very little clearance on one side or the bolt lightly toucheswhile on the other side there is more playThis is generally not critical.🔧 This is how you proceed:Install brake pads:First check if the brake pads can be inserted cleanly and without resistance on both sides.If everything fits:If installation is possible without problems, you can simply gently push back the locking bolts – this usually resolves the issue.If it jams:If the brake pads cannot be installed, or only with difficulty, on one side, action is required.In this case, you can:slightly shim the adapter with suitable bushings to adjust the brake caliperor – depending on the situation – slightly mill the adapter so that the brake caliper is correctly centered again👉 The goal is always that the brake caliper is evenly aligned with the brake disc and the brake pads are seated freely and cleanly.

What torque should be used to tighten the sealing nipples on the brake caliper?

We recommend tightening the sealing nipples on the brake caliper with 20 Nm.Why is this important?The correct torque ensures a secure seal. A too loose fit can lead to leaks, whereas over-tightening can damage threads or components.Should a torque wrench be used?Yes, for precise and safe installation, we recommend using a torque wrench.Should anything be checked after installation?Yes, the sealing nipple should be checked for tight fit and sealing afterward.

Big Brake systems KIT Audi A4 B5 A6 VW Passat 3BG 3B ZR18 Brake caliper 350x32mm Brake disc - Farbe Bremssattel: Rot mit Epytec Logo

✓ 350x32 A1764210212 Mercedes CLA 43 AMG brake disc
✓ 6-piston 95535142153 / 95535142253 Porsche Cayenne / VW Tuareg brake caliper
✓ front axle

£1,284.07*

Available

Product number: 273-KIT-RAL3001

Delivery by Tuesday, 13.10.2026 if you order within the next 5 Hours.

Brake caliper color

Blank without color

Red with Epytec logo

Painted in the color of your choice

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19 Jahre Expertenwissen

With our large high-performance brake system kit for the Audi A4 B5 VW Passat and many other vehicles, you can upgrade your front axle to a 6-piston brake system and achieve ideal performance.
This kit includes:

- Brake calipers: Porsche ZR18 ZL18 6-piston brake calipers
- Brake discs: 350x32 Mercedes CLA 45 AMG

With this high-performance brake system kit / Big Brake Kit you can use the Porsche ZR18 ZL18 6-piston brake calipers in combination with the 350x32 mm brake discs from the Mercedes CLA 45 AMG on the Audi A4 B5, VW Passat and many other vehicles.

The large brake system kit is not only sporty, but also suitable for everyday use and, thanks to the drilled sport brake discs in combination with our ceramic pads, enables ideal performance while simultaneously reducing brake dust, temperature and wear.

Another advantage of our brake system kit is that it is equipped with the same original brake calipers and brake discs that are also installed in production vehicles. These OE parts not only make replacing the brakes simple and straightforward, but also make TÜV approval easier.

With this high-performance brake kit you can get started right away and have everything you need to upgrade your front axle to a 6-piston brake system.

The large high-performance brake system kit / Big Brake Kit is suitable for the following vehicles with a wheel bearing diameter of 75mm (OE number: 8D0 407 257 AC / 8D0 407 257 AL)

Audi A4 B5 model years 1994-2001
Audi A6 4B, C5 model years 1997-2005
VW Passat 3B2 model years 1996-2000
VW Passat 3B3 model years 2000-2005
VW Passat Variant 3B5 model years 1997-2000
VW Passat Variant 3B6 model years 2000-2005
VW Passat Variant 35l,3A5 model years 1988-1997
Skoda Superb I 3U4 model years 2001-2008

Advantages of this brake system:

our components, such as brake calipers and brake discs, come from production vehicles and are OE parts. This makes replacing the brakes simple and straightforward and makes TÜV approval easier.
the material certificate included in the scope of delivery can also enable approval by individual inspection for production vehicles
high-performance brake pads with a longer service life than original pads
extreme deceleration values, also in combination with our rear axle brake system
fits directly on the models listed above and can therefore be easily converted back to the original condition at any time
our EPYTEC brake caliper adapters do not require you to send in your standard parts, nor do they require any re-welding, re-milling or re-drilling.

Note :

As standard, the kit includes new brake calipers in red with Epytec logo. For an additional charge, we can also supply the brake calipers in your desired color and without a logo, with the delivery time being approximately 2-3 weeks longer.

Get our high-performance brake system kit now and experience ideal performance and durability.

Scope of delivery:

2x new Porsche Cayenne brake calipers ZR18 /ZL18 part number: 95535142153 / 95535142253 ( left / right ) including complete new brake caliper retaining clip kit in red with Epytec logo
matching set of Zimmermann Sport brake discs 350x32mm
2x ceramic brake pads for less brake dust and longer service life
2x brake caliper adapters for Audi A4 B5 VW Passat
2x matching stainless steel braided brake lines
Installation aid for brake disc installation
high-strength fastening material
material certificate
Template to check whether the brake system fits under your wheel
Stress analysis / FEM calculation for approval

We provide a TÜV certificate with this adapter. This means that the TÜV inspector can easily register the adapter.

Tips, information and advice:

To improve ventilation of the brake system, we recommend removing the anchor plates/brake dust plates.
For easy mounting of the rim, we recommend purchasing two of our wheel mounting aids at the same time >>go directly to the article here<<
We cannot give you a generalised answer as to which rim size you can ride after your brake conversion. There are simply too many different wheel rims. For this reason, we have developed a template with which you can easily check whether the brake system kit fits under your rim. We have included a link to the template in the description. If your rim does not fit, you can simply use wheel spacers. >> Go directly to customised wheel spacers <<

Please note that our articles have been designed for racing and motorsport. Use in public road traffic usually requires an individual approval in accordance with § 21 StVZO by an officially recognised expert. Further information can be found under TÜV Süd. For the individual approval, we will provide you with an expert opinion or material certificate, if available.

Brake caliper type: Z18 6-Kolben

Farbe Bremssattel: Rot mit Epytec Logo

Manufacturer: Epytec

Mounting location: front

Weight: 45 kg

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Motor	Motorcode
1.9 TDI	8D5\|75PS(55KW)
2.5 TDI quattro	8D5\|150PS(110KW)
1.6	8D5\|102PS(75KW)
1.9 TDI	8D5\|115PS(85KW)
1.8 T	8D5\|150PS(110KW)
1.9 TDI	8D5\|90PS(66KW)
1.8 T quattro	8D5\|180PS(132KW)
1.9 TDI	B5\|75PS(55KW)
1.8 T	8D5\|180PS(132KW)
1.9 TDI	8D5\|110PS(81KW)
1.6	8D5\|100PS(74KW)
1.8	8D5\|125PS(92KW)
1.9 TDI quattro	8D5\|115PS(85KW)
1.9 Hybrid	8D5\|90PS(66KW)
1.8 quattro	8D5\|125PS(92KW)
1.8 T quattro	8D5\|150PS(110KW)
1.9 TDI quattro	8D5\|110PS(81KW)

Motor	Motorcode
1.8 T	8D2\|150PS(110KW)
1.8 T	8D2\|180PS(132KW)
1.8 quattro	8D2\|125PS(92KW)
1.9 TDI quattro	8D2\|116PS(85KW)
1.8	8D2\|125PS(92KW)
1.8 T quattro	8D2\|150PS(110KW)
1.9 TDI	8D2\|116PS(85KW)
1.9 TDI	8D2\|75PS(55KW)
1.6	8D2\|100PS(74KW)
2.5 TDI quattro	8D2\|150PS(110KW)
1.9 TDI	8D2\|90PS(66KW)
1.9 TDI	8D2\|110PS(81KW)
1.6	8D2\|102PS(75KW)
1.9 TDI quattro	8D2\|110PS(81KW)
1.8 T quattro	8D2\|180PS(132KW)

Motor	Motorcode
1.8 T quattro	4B5\|150PS(110KW)
1.8 T quattro	4B6\|150PS(110KW)
1.8 T	4B5\|150PS(110KW)
1.8	4B5\|125PS(92KW)
1.8	4B6\|125PS(92KW)
1.8 T	4B6\|150PS(110KW)

Motor	Motorcode
1.8	4B4\|125PS(92KW)
1.8 T quattro	4B4\|150PS(110KW)
1.8 T	4B4\|150PS(110KW)
1.8 T	4B2\|150PS(110KW)
1.8 T quattro	4B2\|150PS(110KW)
1.8	4B2\|125PS(92KW)

Motor	Motorcode
1.9 TDI 4motion	3B6\|130PS(96KW)
1.6	3B6\|102PS(75KW)
1.8	35I\|112PS(82KW)
1.9 TDI	3B6\|130PS(96KW)
1.9 TD	35I\|75PS(55KW)
1.9 TDI	3B5\|90PS(66KW)
1.8 G60 Syncro	35I\|160PS(118KW)
1.8	35I\|107PS(79KW)
2.0 4motion	3B6\|115PS(85KW)
1.8	3A5\|90PS(66KW)
2.3 VR5	3B5\|150PS(110KW)
1.9 TDI 4motion	3B5\|115PS(85KW)
1.8 G60 Syncro	3A5\|160PS(118KW)
1.9 TDI	3B6\|101PS(74KW)
1.8	35I\|75PS(55KW)
2.8 4motion	3B6\|193PS(142KW)
1.8	3A5\|107PS(79KW)
2.0 Syncro	3A5\|115PS(85KW)
2.0 Syncro	35I\|115PS(85KW)
1.8 T	3B5\|150PS(110KW)
2.3 VR5	3B6\|170PS(125KW)
1.8	3B5\|125PS(92KW)
1.8	35I\|90PS(66KW)
1.8	3A5\|112PS(82KW)
2.5 TDI 4motion	3B6\|180PS(132KW)
1.8 T 20V	3B6\|150PS(110KW)
1.9 TDI	35I\|90PS(66KW)
1.9 TDI	3A5\|90PS(66KW)
1.9 TDI Syncro/4motion	3B5\|110PS(81KW)
1.8	3A5\|75PS(55KW)
2.0	3B6\|130PS(96KW)
1.8 Syncro/4motion	3B5\|125PS(92KW)
2.3 VR5 Syncro/4motion	3B5\|150PS(110KW)
2.0	3B6\|115PS(85KW)
1.9 TD	3A5\|75PS(55KW)
2.5 TDI 4motion	3B6\|150PS(110KW)

Motor	Motorcode
1.9 TDI	3B2\|90PS(66KW)
2.0	3B3\|115PS(85KW)
1.8 T	3B2\|150PS(110KW)
1.6	3B3\|102PS(75KW)
1.8 Syncro/4motion	3B2\|125PS(92KW)
2.0 4motion	3B3\|115PS(85KW)
2.3 VR5 Syncro/4motion	3B2\|150PS(110KW)
1.8	3B2\|125PS(92KW)
1.6	3B2\|101PS(74KW)
2.0	3B3\|130PS(96KW)
2.3 VR5	3B2\|150PS(110KW)

Motor	Motorcode
1.8 T	3U4\|150PS(110KW)
1.9 TDI	3U4\|101PS(74KW)
2.0	3U4\|115PS(85KW)

Motor	Motorcode
1.9 TDI	8D5\|75PS(55KW)
2.5 TDI quattro	8D5\|150PS(110KW)
1.6	8D5\|102PS(75KW)
1.9 TDI	8D5\|115PS(85KW)
1.8 T	8D5\|150PS(110KW)
1.9 TDI	8D5\|90PS(66KW)
1.8 T quattro	8D5\|180PS(132KW)
1.9 TDI	B5\|75PS(55KW)
1.8 T	8D5\|180PS(132KW)
1.9 TDI	8D5\|110PS(81KW)
1.6	8D5\|100PS(74KW)
1.8	8D5\|125PS(92KW)
1.9 TDI quattro	8D5\|115PS(85KW)
1.9 Hybrid	8D5\|90PS(66KW)
1.8 quattro	8D5\|125PS(92KW)
1.8 T quattro	8D5\|150PS(110KW)
1.9 TDI quattro	8D5\|110PS(81KW)

Motor	Motorcode
1.8 T	8D2\|150PS(110KW)
1.8 T	8D2\|180PS(132KW)
1.8 quattro	8D2\|125PS(92KW)
1.9 TDI quattro	8D2\|116PS(85KW)
1.8	8D2\|125PS(92KW)
1.8 T quattro	8D2\|150PS(110KW)
1.9 TDI	8D2\|116PS(85KW)
1.9 TDI	8D2\|75PS(55KW)
1.6	8D2\|100PS(74KW)
2.5 TDI quattro	8D2\|150PS(110KW)
1.9 TDI	8D2\|90PS(66KW)
1.9 TDI	8D2\|110PS(81KW)
1.6	8D2\|102PS(75KW)
1.9 TDI quattro	8D2\|110PS(81KW)
1.8 T quattro	8D2\|180PS(132KW)

Motor	Motorcode
1.8 T quattro	4B5\|150PS(110KW)
1.8 T quattro	4B6\|150PS(110KW)
1.8 T	4B5\|150PS(110KW)
1.8	4B5\|125PS(92KW)
1.8	4B6\|125PS(92KW)
1.8 T	4B6\|150PS(110KW)

Motor	Motorcode
1.8	4B4\|125PS(92KW)
1.8 T quattro	4B4\|150PS(110KW)
1.8 T	4B4\|150PS(110KW)
1.8 T	4B2\|150PS(110KW)
1.8 T quattro	4B2\|150PS(110KW)
1.8	4B2\|125PS(92KW)

Motor	Motorcode
1.9 TDI 4motion	3B6\|130PS(96KW)
1.6	3B6\|102PS(75KW)
1.8	35I\|112PS(82KW)
1.9 TDI	3B6\|130PS(96KW)
1.9 TD	35I\|75PS(55KW)
1.9 TDI	3B5\|90PS(66KW)
1.8 G60 Syncro	35I\|160PS(118KW)
1.8	35I\|107PS(79KW)
2.0 4motion	3B6\|115PS(85KW)
1.8	3A5\|90PS(66KW)
2.3 VR5	3B5\|150PS(110KW)
1.9 TDI 4motion	3B5\|115PS(85KW)
1.8 G60 Syncro	3A5\|160PS(118KW)
1.9 TDI	3B6\|101PS(74KW)
1.8	35I\|75PS(55KW)
2.8 4motion	3B6\|193PS(142KW)
1.8	3A5\|107PS(79KW)
2.0 Syncro	3A5\|115PS(85KW)
2.0 Syncro	35I\|115PS(85KW)
1.8 T	3B5\|150PS(110KW)
2.3 VR5	3B6\|170PS(125KW)
1.8	3B5\|125PS(92KW)
1.8	35I\|90PS(66KW)
1.8	3A5\|112PS(82KW)
2.5 TDI 4motion	3B6\|180PS(132KW)
1.8 T 20V	3B6\|150PS(110KW)
1.9 TDI	35I\|90PS(66KW)
1.9 TDI	3A5\|90PS(66KW)
1.9 TDI Syncro/4motion	3B5\|110PS(81KW)
1.8	3A5\|75PS(55KW)
2.0	3B6\|130PS(96KW)
1.8 Syncro/4motion	3B5\|125PS(92KW)
2.3 VR5 Syncro/4motion	3B5\|150PS(110KW)
2.0	3B6\|115PS(85KW)
1.9 TD	3A5\|75PS(55KW)
2.5 TDI 4motion	3B6\|150PS(110KW)

Motor	Motorcode
1.9 TDI	3B2\|90PS(66KW)
2.0	3B3\|115PS(85KW)
1.8 T	3B2\|150PS(110KW)
1.6	3B3\|102PS(75KW)
1.8 Syncro/4motion	3B2\|125PS(92KW)
2.0 4motion	3B3\|115PS(85KW)
2.3 VR5 Syncro/4motion	3B2\|150PS(110KW)
1.8	3B2\|125PS(92KW)
1.6	3B2\|101PS(74KW)
2.0	3B3\|130PS(96KW)
2.3 VR5	3B2\|150PS(110KW)

Motor	Motorcode
1.8 T	3U4\|150PS(110KW)
1.9 TDI	3U4\|101PS(74KW)
2.0	3U4\|115PS(85KW)

Audi A4 B5 / A6 VW Passat 3BG 3B Brake Caliper Adapter Porsche Cayenne Brake ZR17 Touareg BM5 Conversion Brake Disc

✓ 330x32 2104212612 Mercedes CLK brake disc
✓ 6-piston 7L6615123T / 7L6615124T Porsche Cayenne brake caliper
✓ front axle

£134.18*

Product number: 868

Big Brake systems KIT Audi A4 B5 A6 VW Passat 3BG 3B ZR18 Brake caliper 350x32mm Brake disc - Farbe Bremssattel: Rot mit Epytec Logo

The large high-performance brake system kit / Big Brake Kit is suitable for the following vehicles with a wheel bearing diameter of 75mm (OE number: 8D0 407 257 AC / 8D0 407 257 AL)

Advantages of this brake system:

Note :

Scope of delivery:

Tips, information and advice:

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Audi

A4 Avant

A4

A6 Avant

A6

VW

Passat Variant

Passat

Skoda

Superb 1

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