Febi BMW Engine Parts for BMW Z4 M Roadster S54 (2003-2008)

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Turner Motorsport has everything you need to upgrade your BMW through our stages of performance or to keep your car in peak condition with our range of the latest in proven OEM cooling parts. Upgrade your cooling system and engine performance with the selections below to give your BMW a performance and reliability advantage.

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OEM Febi Hydraulic Alternator Belt Tensioner Assembly - E34 E39 E53 ...
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Febi - Corporate Logo
T#:363804
Part#: 11287838797
Ships on Sep 25, 2026
$ 83.99 USD
Free Shipping
$ 83.99 USD
Free Shipping
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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Febi Rear Crankshaft Seal - E30, E32, E34, E36, E39, E46, E53, E60, E...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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Febi - Corporate Logo
T#:382327
Part#: 11142249533
Ships on Sep 25, 2026
$ 44.99 USD
Free Shipping on orders $49 and up
Replace when doing a clutch job.
OEM Febi Idler Pulley - Multiple BMWs
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Febi - Corporate Logo
T#:382342
Part#: 11287841228
Ships on Sep 22, 2026
$ 48.99 USD
Free Shipping on orders $49 and up
$ 48.99 USD
Free Shipping on orders $49 and up
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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OEM Febi Fuel Filler Cap - BMW E85/E86 Z4, E53 X5
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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Febi - Corporate Logo
T#:38452820
Part#: 16116767739
Special Order: No Guaranteed ETA
$ 31.99 USD
$ 31.99 USD
If you have a CEL due to a failed fuel cap seal, this replacement from Febi is a great solution.

Febi Oil Filter Kit
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Febi - Corporate Logo
T#:16175685
Part#: 11427833769
Special Order: No Guaranteed ETA
$ 15.99 USD
Free Shipping on orders $49 and up
Febi has a comprehensive range of oil filters with OE-matching quality. The best possible filtration performance always guarantees optimal engine operation.
Air Conditioning O-Ring - Priced Each - 13.8mm
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Febi - Corporate Logo
T#:54816249
Part#: 64538375742
Special Order: No Guaranteed ETA
New Item
$ 0.99 USD
Free Shipping on orders $49 and up
Heavy-duty track-day grade green O-ring keeps BMW A/C systems sealed.