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CP247
Gallery
BrandOPTIMAL
MPN9544
OE refs8
SKU0129-9544
GTIN / EAN4031185142786

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Details

SpecificationValue
BrandOPTIMAL
CategoryBrake pad set
Fitting PositionRear Axle
Thickness [mm]17.3 mm
Width [mm]123 mm
Height [mm]45 mm
Brake SystemATE-TEVES

OE numbers (8)

Search by this OE number to find compatible parts

Where this part fits

Original-fit position for OE 34211158642. The red ring marks where this part installs on the vehicle.

Repair kit, brake pads asbestos-free — BMW Classic Z1 Roadster — 34 Brakes › 34_0393 Rear wheel brake, brake pad sensor
BMW Classic Z1 Roadster · 34 Brakes › 34_0393 Rear wheel brake, brake pad sensorPosition 20

About this product

OPTIMAL brake pads (9544) deliver consistent stopping power through a friction compound engineered for low noise, reduced brake dust, and stable bite across a wide temperature range. The pad compound characteristics — Fitting Position: Rear Axle, Thickness [mm]: Fibreglass, Cast Iron mm, Width [mm]: 123 mm, Height [mm]: 45 mm — are selected to balance progressive pedal feel with minimal wear on mating discs. Designed as a direct replacement for BMW applications, these pads slot into the original caliper bracket without modification. Cross-references OE part numbers: 025 209 9517, 0265.00, 0265.41, 05P297 and 79 more. OPTIMAL brake friction products are validated in independent dynamometer tests and are used by authorised service centres throughout Europe. Brake pads typically need replacing every 25,000–50,000 miles, depending on driving style, vehicle weight, and whether you drive mostly in urban stop-start traffic or on open roads. Watch for squealing or grinding noises when braking, increased stopping distances, a pulsating brake pedal, or a brake warning light on your dashboard — any of these signals that the friction material is worn to its minimum thickness. Brake pad replacement is a moderate DIY job requiring basic hand tools, a jack, and axle stands — allow approximately 1–2 hours per axle for a first-time installer, less if you have experience with caliper removal. When choosing brake pads, look for ECE R90 approval (mandatory for road use in Europe), copper-free formulations for environmental compliance, and a shim or anti-squeal backing plate for quiet operation. Replacing brake pads promptly prevents scoring and heat damage to the more expensive brake discs, saving significantly on repair costs in the long run. Every part is dispatched with tracked delivery and a 14-day money-back guarantee with hassle-free returns.

Brake pad set buying guide

Why replace this part?

Brake pads are the primary friction component in your braking system. As they wear thin, braking performance deteriorates, increasing stopping distances and putting your safety at risk. Worn pads can also damage brake discs, leading to more expensive repairs.

Signs you need a replacement

  • Squealing or grinding noises when braking
  • increased stopping distances
  • brake pedal vibration or pulsation
  • dashboard warning light
  • visible pad thickness below 3mm
  • pulling to one side when braking

When to replace

Every 30,000–70,000 miles depending on driving conditions, pad material, and vehicle weight. City driving with frequent stops wears pads faster than motorway driving.

Installation difficulty:Moderate — requires basic tools and mechanical knowledge

About OPTIMAL

OPTIMAL, founded in Germany, is a well-regarded aftermarket brand specialising in steering, suspension, and wheel bearing components. OPTIMAL produces ball joints, tie rod ends, control arm bushings, wheel bearings, and stabiliser links for European, Asian, and American vehicle applications. Manufactured to stringent quality standards with comprehensive testing protocols, OPTIMAL parts deliver OE-matching fit and performance. Known for excellent value and wide vehicle coverage, OPTIMAL is a popular choice among professional workshops across Europe.

Suitable cars

Equivalent products (76)

Show all 76 OE numbers
A.B.S.36715S
A.B.S.36824
A.B.S.36824OE
A.B.S.36824S
ACDelcoAC476581D
BARUMBA2054
BENDIX571387
BENDIX571387B
BENDIX571387X
BENDIX571527B
BENDIX571546B
BENDIX571960B
FERODOFSL578
FIRST LINEFBP1285
FREMAXFBP-0733
FREMAXFBP-0932
FTEBL1204A2
GALFERB1.G102-0308.2
GIRLING6109172
GIRLING6111892
HELLA8DB355007-421
HELLA PAGID8DB355007511
HELLA PAGID8DB355008761
ICER181051
JURID571387D
JURID571387J-AS
JURID571527JAS
JURID571546J
JURID571546JAS
LPR05P297£22.99
LUCASGDB0917
MAGNETI MARELLI363702160308
MAPCO6451
METZGER AUTOTEILE0265.00
MEYLE025 209 9517
MINTEXMDB1369
MOTAQUIPVXL540
NECTOFD6450
NK221507
PAGIDT1018
PAGIDT1027
PEX7212
QUINTON HAZELLBP532
RAMEDERT0610480
REMSA0265.41
ROADHOUSE2265.00
ROADHOUSE2265.41
SIMER489
STARLINEBD S079
STARLINEBD S131
STARLINEBD S270
STARLINEBD S381
TEXTAR20995173
TOMEX Brakes10-70
TOMEX Brakes10-701
TRISCAN8110 11899
TRWGDB917£24.99
VAICOV20-8105
VAICOV20-8105-1
VALEO598259
WAGNERWBP20180A
WAGNERWBP20995A
WAGNERWBP21934A
WOKINGP3653.00

Brake pad set OPTIMAL 9544compatible car models

Car modelsBMW: 3 Convertible (E30), 3 Convertible (E36), 3 Coupe (E36), 3 (E30), 3 (E36), 5 (E34), 5 Touring (E34), 7 (E32), Z1 Roadster, Z3 Coupe (E36) (+1 more)
EnginesM3 2.3; M3 3.0; 518 i; 518 g; 730 i, iL; 2.5; M; M 3.2
Year of manufacture1982-2003
Manufacturer article number (MPN)9544
OE part numbers34 21 1 157 334, 34 21 1 157 814, 34 21 1 158 221, 34 21 1 158 266, 34 21 1 158 268, 34 21 1 158 642, 34 21 1 160 198, 34 21 6 761 253
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Description and what's included

OPTIMAL 9544 Brake pad set. Brake System: ATE-TEVES. Fitting Position: HA. Height [mm]: 45 mm. Thickness [mm]: 17,3 mm. Wear Warning Contact: 1. Width [mm]: 123 mm

What's included:
  • 1x Set of brake pads (axle set)
  • Wear indicator wire (where applicable)
  • Mounting accessories (where applicable)
Shipping, returns, warranty

Free UK delivery on orders over £99.00. Tracked standard shipping.

  • Standard delivery: 5–9 business days
  • Order before 5pm — ships the next working day
  • Free returns within 14 days
  • All parts backed by manufacturer warranty

Warranty: 12-month manufacturer warranty on all parts. 14-day money-back guarantee if the part doesn't fit your vehicle.

Frequently Asked Questions

Is this Brake pad set compatible with my car?

This Brake pad set fits BMW vehicles. Use the vehicle selector at the top of the page to check exact compatibility — enter your car's make, model, and engine for a confirmed fitment match. All fitment data is verified through TecDoc.

What specifications does this OPTIMAL Brake pad set have?

This OPTIMAL Brake pad set has the following specifications: Fitting Position: HA; Thickness [mm]: 17,3 mm; Width [mm]: 123 mm; Height [mm]: 45 mm; Wear Warning Contact: 1; Brake System: ATE-TEVES. Check the full specifications table above for complete details.

What OE part numbers does this Brake pad set replace?

This Brake pad set replaces OE part numbers: 34 21 1 157 334, 34 21 1 157 814, 34 21 1 158 221, 34 21 1 158 266, 34 21 1 158 268, 34 21 1 158 642, 34 21 1 160 198, 34 21 6 761 253. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.

How much does a Brake pad set cost?

This OPTIMAL Brake pad set is available for £13.99. Brake pad set prices vary depending on brand, specifications, and vehicle compatibility. OPTIMAL parts offer a balance of quality and value, backed by our 14-day money-back guarantee.

How do I know when to replace my Brake pad set?

Common signs include squealing or grinding noises when braking, increased stopping distances, brake pedal vibration, or a dashboard warning light. Most brake pads should be inspected every 20,000 miles and replaced when pad thickness falls below 3mm.

What tools do I need to replace a Brake pad set?

Tools needed: floor jack and axle stands, lug wrench or 19mm socket, brake caliper wind-back tool (or C-clamp), 7mm hex / Torx socket for caliper bolts, brake cleaner spray, copper grease, torque wrench. Difficulty: Moderate DIY. Safety warning: Never compress the caliper piston without checking the brake fluid reservoir level will not overflow; brake fluid is corrosive -- keep it off painted surfaces and skin.

Can I use this part as a replacement for OE 34 21 1 157 334?

Yes, this OPTIMAL Brake pad set is a direct replacement for OE part number 34 21 1 157 334. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.

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