Drive Belt Service for BMW Z4 M Roadster S54 (2003-2008)

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Drive belts should be inspected and changed regularly to avoid further complications. We offer Genuine BMW and other aftermarket brands that we trust or know to be OE manufacturers. We like to make it easy on you and do all the research for you - check out our Drive Belt Service kits.

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E46 M3, Z4M ECS Tuning Aluminum Water Pump Pulley
E46 M3, Z4M ECS Tuning Aluminum Water Pump Pulley
ECS - Corporate Logo
T#:367060
Part#: 002778ECS01
Ships on Dec 7, 2026
Sale - Save 10% $ 100.99

This product was last offered at the strikethrough price on
06-13-2026

$ 90.89 USD
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Sale - Save 10%
$ 100.99

This product was last offered at the strikethrough price on
06-13-2026

$ 90.89 USD
Free Shipping
Add to Wish List
Most of the pulleys on your BMW engine are plastic, which become brittle and frail over time and from engine bay heat. A failed pulley could leave you stranded which is why it is vital to inspect the pulleys during routine maintenance. This is an aluminum version of the stock water pump pulley used on the S54 engine in the E46 M3, MZ3, and Z4M. It's the same size and uses the same hardware and the original belt as the stock plastic pulley. But the aluminum will last much longer.
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ECS Tuning Performance Kevlar Reinforced Accessory Belt - Water Pump & Alternator - E9X M3 S65 4.0L, E46 M3 S54 3.2L
ECS Tuning Performance Kevlar Reinforced Accessory Belt - Water Pump ...
ECS - Corporate Logo
T#:20979672
Part#: 6PK1460
In Stock
$ 33.99 USD
Free Shipping on orders $49 and up
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$ 33.99 USD
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Replaces BMW # 11287837898 ECS Tuning Performance Kevlar reinforced belts give you that extra piece of mind! Kevlar reinforced belts experience less elongation over time minimizing the amount of belt adjustment needed as well as offering a higher shock and impact resistance compared to OEM style belts. ECS Tuning Performance Kevlar reinforced belts have been put through a series of multiple tests such. Tensile strength Elongation Hardness Temperature and oil resistance per standard JASO E 109-94 Flex testing per SAE J2432.
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OEM Febi Hydraulic Alternator Belt Tensioner Assembly - E34 E39 E53 E60 E46 E83 Z3 Z4
OEM Febi Hydraulic Alternator Belt Tensioner Assembly - E34 E39 E53 ...
We Price Match - Give Us A Call or Chat!
Febi - Corporate Logo
T#:363804
Part#: 11287838797
Ships on Nov 25, 2026
$ 83.99 USD
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$ 83.99 USD
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The Hydraulic Alternator Belt Tensioner is exposed to a lot of dirt, salt, and other debris due to its front lower location. This can cause the tensioner to seize and not allow the belt tensioner to adjust. Replace your belt tensioner with this OEM high quality hydraulic tensioner for many years of reliable operation to come.
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ECS Tuning Performance Kevlar Reinforced Accessory Belt - A/C - E46 M3, Z4M, Z3M S54 3.2L
ECS Tuning Performance Kevlar Reinforced Accessory Belt - A/C - E46 M...
ECS - Corporate Logo
T#:23416515
Part#: 5PK830
Back Ordered
$ 26.99 USD
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$ 26.99 USD
Free Shipping on orders $49 and up
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Replaces BMW # 11287830946 ECS Tuning Performance Kevlar reinforced belts give you that extra piece of mind! Kevlar reinforced belts experience less elongation over time minimizing the amount of belt adjustment needed as well as offering a higher shock and impact resistance compared to OEM style belts. ECS Tuning Performance Kevlar reinforced belts have been put through a series of multiple tests such. Tensile strength Elongation Hardness Temperature and oil resistance per standard JASO E 109-94 Flex testing per SAE J2432.
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OEM Febi Idler Pulley - Multiple BMWs
OEM Febi Idler Pulley - Multiple BMWs
We Price Match - Give Us A Call or Chat!
Febi - Corporate Logo
T#:382342
Part#: 11287841228
In Stock
$ 48.99 USD
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$ 48.99 USD
Free Shipping on orders $49 and up
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This is an OEM Febi Upper Idler Pulley, also known as the roller pulley or deflection pulley. The upper and lower idler pulleys are known to be the primary sources for 'belt squealing'. The pulley is also encased in rubber which will crack over time. If left without service the rubber could fail completely, chucking the belt and leaving you stranded. Replacement is a very simple procedure and can be done anytime the fan is off the engine (belt replacement, water pump service, alternator replacement, etc).
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