Crankshaft Pulleys & Harmonic Balancers for BMW 5 Series G30 (2017+)

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Keep your drive belt system in check by replacing your BMW's crankshaft pulleys and harmonic balancers.
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Crankshaft Pulley
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Corteco - Corporate Logo
T#:586900
Part#: 11238638534
Ships in 2 Business Days
$ 545.99 USD
Free Shipping
$ 545.99 USD
Free Shipping
This is the main crankshaft pulley commonly referred to as the harmonic balancer.
ATI Super Damper / Harmonic Balancer - Stock Size - BMW B58A (Gen1), ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
ATI - Corporate Logo
T#:43142742
Part#: 918573
In Stock at Vendor
$ 418.99 USD
Free Shipping on orders $49 and up
Genuine BMW Engine Harmonic Balancer & Crank Pulley - BMW Gen1 B46 (B...
For early models with the Gen1 B46 (B46A) engine only
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Genuine BMW - Corporate Logo
T#:535740
Part#: 11238638446
Ships in 3 Business Days
10% off MSRP $ 782.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 706.99 USD
Free Shipping
10% off MSRP
$ 782.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 706.99 USD
Free Shipping
Harmonic balancers protect your engine from vibrations caused by the combustion process. If your balancer is showing signs of failure and your engine is vibrating excessively, it is best to replace this as soon as possible to prevent damage to the crankshaft and internal engine components.
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Genuine BMW Engine Harmonic Balancer & Crank Pulley
For models with the Gen2 B58 (B58C B58D) with the 48V Mild Hybrid / Energy Recovery sys...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Genuine BMW - Corporate Logo
T#:635924
Part#: 11239845162
Ships in 3 Business Days
10% off MSRP $ 978.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 883.99 USD
Free Shipping on orders $49 and up
10% off MSRP
$ 978.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 883.99 USD
Free Shipping on orders $49 and up
Harmonic balancers protect your engine from vibrations caused by the combustion process. If your balancer is showing signs of failure and your engine is vibrating excessively, it is best to replace this as soon as possible to prevent damage to the crankshaft and internal engine components.
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Genuine BMW Harmonic Balancer & Crank Pulley Replacement Kit - BMW B4...
For early models with the Gen1 B46 (B46A) engine only
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Genuine BMW - Corporate Logo
T#:51602367
Part#: 11238638446KT
Ships in 3 Business Days
New Item
$ 800.99 USD
Free Shipping on orders $49 and up
$ 800.99 USD
Free Shipping on orders $49 and up
Harmonic balancers protect your engine from vibrations caused by the combustion process. If your balancer is showing signs of failure and your engine is vibrating excessively, it is best to replace this as soon as possible to prevent damage to the crankshaft and internal engine components.
Show More Show Less
Genuine BMW Harmonic Balancer & Crank Pulley Replacement Kit - BMW B4...
For later models with the Gen2 B46 (B46D) engine only
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Genuine BMW - Corporate Logo
T#:51813328
Part#: 11235A3CF02KT
Ships in 3 Business Days
New Item
$ 788.99 USD
Free Shipping on orders $49 and up
$ 788.99 USD
Free Shipping on orders $49 and up
Harmonic balancers protect your engine from vibrations caused by the combustion process. If your balancer is showing signs of failure and your engine is vibrating excessively, it is best to replace this as soon as possible to prevent damage to the crankshaft and internal engine components.
Show More Show Less

Genuine BMW Harmonic Balancer & Crank Pulley - BMW B48TU (Gen 2 / B4...
For later models with the Gen2 B46 (B46D) engine only
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Genuine BMW - Corporate Logo
T#:50888347
Part#: 11235A3CF02
Ships in 3 Business Days
New Item
10% off MSRP $ 782.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 706.99 USD
Free Shipping on orders $49 and up
10% off MSRP
$ 782.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 706.99 USD
Free Shipping on orders $49 and up
Harmonic balancers protect your engine from vibrations caused by the combustion process. If your balancer is showing signs of failure and your engine is vibrating excessively, it is best to replace this as soon as possible to prevent damage to the crankshaft and internal engine components.
Show More Show Less
Genuine BMW Harmonic Balancer & Crank Pulley Replacement Kit - BMW B5...
For models with the Gen2 B58 (B58C B58D) with the 48V Mild Hybrid / Energy Recovery sys...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Genuine BMW - Corporate Logo
T#:51602353
Part#: 11239845162KT
Ships in 3 Business Days
New Item
$ 957.99 USD
Free Shipping on orders $49 and up
$ 957.99 USD
Free Shipping on orders $49 and up
Harmonic balancers protect your engine from vibrations caused by the combustion process. If your balancer is showing signs of failure and your engine is vibrating excessively, it is best to replace this as soon as possible to prevent damage to the crankshaft and internal engine components.
Show More Show Less

Genuine BMW Harmonic Balancer & Crank Pulley Replacement Kit - BMW B5...
For Pre-LCI models only
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Genuine BMW - Corporate Logo
T#:51426490
Part#: 11239846660KT
Ships in 6 Business Days
New Item
$ 933.00

This product was last offered at the strikethrough price on
03-10-2026

$ 848.99 USD
Free Shipping on orders $49 and up
$ 848.99 USD
Free Shipping on orders $49 and up
Harmonic balancers protect your engine from vibrations caused by the combustion process. If your balancer is showing signs of failure and your engine is vibrating excessively, it is best to replace this as soon as possible to prevent damage to the crankshaft and internal engine components.
Show More Show Less

Crankshaft Pulley
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Febi - Corporate Logo
T#:55066632
Part#: 1004202
Special Order: No Guaranteed ETA
New Item
$ 154.99 USD
Free Shipping on orders $49 and up
This replacement crankshaft harmonic balancer from febi bilstein is designed to restore factory-level drivetrain refinement and protect your engine.
ATI Super Damper / Harmonic Balancer - 21% Underdrive - BMW B58A (Gen...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
ATI - Corporate Logo
T#:43142744
Part#: 918351
Back Ordered
$ 418.99 USD
Free Shipping on orders $49 and up
This ATI Super Damper is a direct replacement for the OEM Harmonic Balancer, designed to further reduce harmful engine harmonics that could lead to damage to sensitive engine components. The 21% underdrive function of this super damper is designed to greatly increase usable horsepower for racing applications by driving engine accessories slower, reducing overall parasitic power loss.
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ATI Super Damper / Harmonic Balancer - 10% Underdrive - BMW B58A (Gen...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
ATI - Corporate Logo
T#:43142743
Part#: 918352
Back Ordered
$ 451.99 USD
Free Shipping on orders $49 and up
This ATI Super Damper is a direct replacement for the OEM Harmonic Balancer, designed to further reduce harmful engine harmonics that could lead to damage to sensitive engine components. The 10% underdrive function of this super damper is designed to increase usable horsepower by reducing parasitic power loss without greatly affecting engine accessories.
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