



ZF 8HP70 Transmission Upgrade
Fitment Guarantee
6000+ Happy Customers
Package Protection Available
Real Human Support
Pairs well with
Our rebuild focuses on fortifying the overall holding power and reliability of your transmission. Through modifications and replacement of oem parts to our own billet parts we are able to achieve the highest clutch counts currently available on the market and the most holding power possible. With each stage increases clutch and holding capacity along with additional parts.
The main components of our build feature.
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Billet Clutch Hub
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Upgraded Clutches and Steels Throughout Entire Transmission
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All New Gaskets, Seals and Rings
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Upgrades O-Rings and Seals Within The Valve-Body Assembly
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Cog Drives and Shaft Modified For Better Lubrication Transfer
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Heat Treated & Hard Anodized Clutch Baskets
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Brand New Pan, Filter Element & Fluid
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Laser Etched Logo
The main benefit of the high stall torque converter is the increased RPM stall while foot braking, this will help you build more boost and leave harder while launching. Especially important for leaving in second gear.
Converter features:
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Super alloy billet stator
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Performance lockup clutch assembly
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Fully internally tig welded
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Turbine blade sequence modifications
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Performance bearing assembly

ZF 8HP70 Transmission Upgrade
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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Shipping Information
Orders take 24–48 hours to process once placed. Made-to-order items begin production after processing, while in-stock items are prepped, packaged, and ship within 3–4 days from our Oceanside, CA location (please allow extra time for packages to arrive during high-volume periods). Some items may be backordered—if so, we’ll email you with status and options. Freight items such as wheels, exhausts, trunks, and hoods require additional handling time and may ship separately.
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Customer Support
Real BMW-savvy humans here. We’re available Mon–Fri, 10am–5pm PT by email and phone/text for install questions, fitment help, or order updates. Send your year/model/trim (VIN if handy) and we’ll point you to the right parts fast.
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FAQ’s
Quick answers to the most common questions: fitment & compatibility, order changes/cancellations, build & lead times, international shipping & duties, and returns/exchanges. Start there for instant clarity—then reach out if you still need a hand.
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Contact Us
Need help choosing parts or tracking an order? Send an email to our support team, support@cencalmotorsport.com

About Us
Cen-Cal Motorsport isn’t just a parts shop—it’s a lifestyle for BMW enthusiasts who crave performance, precision, and style. We’re all about taking your BMW to the next level with premium parts that bring out the beast under the hood while keeping its luxury vibes on point.
Your BMW isn’t just a car—it’s an experience. Whether you're upgrading for speed, handling, or simply flexing on the road, we’ve got the gear to match your passion.
Why settle for stock? Explore our lineup and see how real quality transforms the drive. Got questions? Hit us up anytime—your ride deserves nothing but the best.


win a single turbo e92 335i
We brought this E92 335i back from the dead — now it’s your chance to take the keys. From the yellow-powdered turbo and short-throw shifter to our full valved catback system, every inch of this build represents what CenCal Motorsport stands for: no halfway builds.
Every purchase of merch or quick entry gets you closer to owning this car. Whether you’re a die-hard BMW enthusiast or just chasing the dream of a true street-built machine — this is your shot.


