Timing for BMW F83 M4 S55 3.0L

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Timing issues can be detrimental to the longevity of your BMW. If you're getting high in mileage or suspect a timing issue, it's likely time for a timing service. We have everything you need from tensioners to guides here at Turner Motorsport.

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IWIS Chain Tensioner - With Gasket Ring - BMW N52 N54 N55 3.0L ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Iwis - Corporate Logo
T#:43378595
Part#: 11317584723
In Stock at Vendor
$ 100.99

This product was last offered at the strikethrough price on
05-07-2026

$ 97.99 USD
Free Shipping on orders $49 and up
$ 97.99 USD
Free Shipping on orders $49 and up
Over time, your engine timing components begin to wear out. Tensioners weaken, chains can stretch, and timing chain guides can wear down. All of these lead to the possibility of the timing chain jumping teeth on the sprockets, causing your timing to shift. This could result in rough idle and reduced engine power, or even complete engine failure. Prevent damage to your engine with new timing components, such as this IWIS timing chain tensioner. Note, we recommend replacing timing components every 100K miles, or sooner, depending on the condition of the timing components.
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Iwis Timing Chain - N20 N55 N52
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Iwis - Corporate Logo
T#:362851
Part#: 11317584084
Ships in 5 Business Days
$ 109.99

This product was last offered at the strikethrough price on
07-01-2026

$ 109.03 USD
Free Shipping
$ 109.03 USD
Free Shipping
OEM Rein VANOS Adjuster Bolt - BMW N52 N54 N55 S55
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Rein - Corporate Logo
T#:45791744
Part#: 11367524954
In Stock
$ 8.99 USD
Free Shipping on orders $49 and up
The VANOS camshaft adjuster bolt is a single-use item that needs to be replaced any time it is removed. This replacement OEM Rein bolt is the perfect option to get your VANOS system reassembled and your BMW back on the road.
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