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BMW Engine Parts for BMW 3 Series G20 (2019+)

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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Ignition Coil - Priced Each B46 & B48 2.0L B58 3.0L

T#:590050

Part#: 12138643360

In Stock

$ 41.99

This product was last offered at the strikethrough price on
02-02-2026

$ 36.76 USD

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$ 36.76 USD

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Revitalize your BMW's performance with Eldor ignition coils. Sluggish acceleration, misfires, and rusty terminals may indicate a worn coil. Located on the engine's top, these coils require inspection and replacement every 60,000 miles or as needed. Ensure your ignition system is in optimal condition for peak performance.

Revitalize sluggish acceleration
Address misfires and rusty terminals
Inspection and replacement every 60,000 miles
Harmonize ignition system components
Unlock hidden horsepower
Improve fuel economy

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OEM Eldor Ignition Coil - BMW B48TU2 2.0L B58TU2 3.0L

For vehicles with the Gen3 B48TU2 (B48P/B48R/B48X) or B58TU2 (B58N) engine only

T#:54852008

Part#: 12139453463

In Stock

$ 77.99 USD

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$ 77.99 USD

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Sluggish acceleration, misfires, rough idling, poor fuel economy, and check engine lights are symptoms of a worn coil. Located on the top of your engine, these coils should be inspected and replaced as needed or every 60,000 miles to keep your ignition system in perfect order

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Mubea Mechanical Accessory Belt Tensioner - BMW B46/48 B58

For vehicles with a production date up to 08/2020 For vehicles with Gen2 engines only (B46D, B48D) - Not for vehicles with later Gen3 eng...

T#:26971839

Part#: 11288580360

In Stock at Vendor

$ 177.99

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

$ 158.99 USD

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$ 158.99 USD

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Accessory belt tensioners provide tension to the belt drive system, ensuring the belt is able to properly turn engine accessories without slipping. If your tensioner has failed, replace it with a brand-new unit to ensure proper water pump and alternator functionality.

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Lower Timing Chain Tensioner

T#:5175686

Part#: 13527797905

Back Ordered

$ 62.99 USD

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$ 62.99 USD

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The guide rails in your timing set keep everything tracking properly. Because it is made out of a plastic-like material, years of abrasion can wear parts of it away. This can cause the chain can to become slightly loose and cause a chain 'slap' or rattle noise. Replace your damaged timing chain tensioner and guide rails to keep timing chain noise to a minimum. Located on the outside of the timing chain guide that keeps tension on the chain.

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BMW Engine Parts for BMW 3 Series G20 (2019+)

Sub-Categories

Ignition Coil - Priced Each B46 & B48 2.0L B58 3.0L

OEM Eldor Ignition Coil - BMW B48TU2 2.0L B58TU2 3.0L

Mubea Mechanical Accessory Belt Tensioner - BMW B46/48 B58

Lower Timing Chain Tensioner

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