Pentosin BMW Transmission Filter Kits & Transmission Service Parts for BMW E21 320i M10 1.8L

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BMW automatic transmissions require a regular filter and fluid change. While BMW has recently implemented 'Lifetime' fluid on most current models, we feel that it is critical to change the transmission filter and flush the fluid at least every 50,000 miles. We carry the BMW transmission filters and special transmission fluids for your BMW.
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Pentosin ATF 8 Automatic Transmission Fluid - 1 Liter - BMW 8HP Transmissions
Pentosin ATF 8 Automatic Transmission Fluid - 1 Liter - BMW 8HP Trans...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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T#:45963154
Part#: 1058110
In Stock
Sale - Save 11% $ 26.99

This product was last offered at the strikethrough price on
04-28-2026

$ 23.92 USD
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Sale - Save 11%
$ 26.99

This product was last offered at the strikethrough price on
04-28-2026

$ 23.92 USD
Free Shipping on orders $49 and up
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Transmission fluid is responsible for both cooling and lubricating sensitive transmission components. Over time, this fluid becomes contaminated by particulate from clutch and gear components wearing down. This contamination reduces the fluid's ability to act as a lubricant, eventually leading to increased wear and tear within the transmission. To prevent excess wear and keep your transmission in top shape, the fluid and filter should be replaced regularly. As per ZF's recommendations, we suggest performing a full service on your 8HP automatic transmission every 50,000 miles. If your vehicle has been modified to produce more power than stock or if it is regularly track-driven, we recommend shorter 30,000-mile service intervals. This will ensure your transmission's fluid is free from contamination, which will help extend the life of internal transmission components, such as clutch packs and solenoids.
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Pentosin ATF 8 Automatic Transmission Fluid - 5 Liters - BMW 8HP Transmissions
Pentosin ATF 8 Automatic Transmission Fluid - 5 Liters - BMW 8HP Tran...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Pentosin - Corporate Logo
T#:45997487
Part#: 1058210
In Stock
Sale - Save 9% $ 113.99

This product was last offered at the strikethrough price on
04-28-2026

$ 104.22 USD
Free Shipping on orders $49 and up
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Sale - Save 9%
$ 113.99

This product was last offered at the strikethrough price on
04-28-2026

$ 104.22 USD
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Pentosin ATF 9 Automatic Transmission Fluid - 1 Liter
Pentosin ATF 9 Automatic Transmission Fluid - 1 Liter
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Pentosin - Corporate Logo
T#:46134785
Part#: 1058111
Ships on Jul 21, 2026
Sale - Save 6% $ 31.99

This product was last offered at the strikethrough price on
06-29-2026

$ 30.11 USD
Free Shipping on orders $49 and up
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Sale - Save 6%
$ 31.99

This product was last offered at the strikethrough price on
06-29-2026

$ 30.11 USD
Free Shipping on orders $49 and up
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Pentosin ATF9 is specially developed with reduced viscosity to optimize the performance of the latest generation 8 and 9-speed ZF automatic transmissions. Pentosin ATF 9 has been developed to deliver outstanding friction control to ensure excellent shifting performance.
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Pentosin ATF 9 Automatic Transmission Fluid - 5 Liters
Pentosin ATF 9 Automatic Transmission Fluid - 5 Liters
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Pentosin - Corporate Logo
T#:46134786
Part#: 1058211
Special Order: No Guaranteed ETA
Sale - Save 5% $ 139.99

This product was last offered at the strikethrough price on
06-29-2026

$ 132.59 USD
Free Shipping on orders $49 and up
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Sale - Save 5%
$ 139.99

This product was last offered at the strikethrough price on
06-29-2026

$ 132.59 USD
Free Shipping on orders $49 and up
Add to Wish List
Pentosin ATF9 is specially developed with reduced viscosity to optimize the performance of the latest generation 8 and 9-speed ZF automatic transmissions. Pentosin ATF 9 has been developed to deliver outstanding friction control to ensure excellent shifting performance.
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