BMW Engine Parts for BMW 3 Series E46 (1999-2005)

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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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King Performance BMW S54 Main Bearings - Std.
King Performance BMW S54 Main Bearings - Std.
King - Corporate Logo
T#:25706115
Part#: MB7039AM
In Stock
13% off MSRP $ 207.00

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

$ 179.99 USD
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13% off MSRP
$ 207.00

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

$ 179.99 USD
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King Performance BMW M50 Rod Bearings - Std.
King Performance BMW M50 Rod Bearings - Std.
King - Corporate Logo
T#:25706122
Part#: CR6640SM
In Stock
13% off MSRP $ 207.99

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

$ 179.99 USD
Free Shipping on orders $49 and up
Add to Wish List
13% off MSRP
$ 207.99

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

$ 179.99 USD
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Performance Rod Bearing Set - Standard Size
Performance Rod Bearing Set - Standard Size
King - Corporate Logo
T#:4840520
Part#: CR6640XP
In Stock at Vendor
17% off MSRP $ 179.99

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

$ 148.99 USD
Free Shipping
Add to Wish List
17% off MSRP
$ 179.99

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

$ 148.99 USD
Free Shipping
Add to Wish List
These King Performance Series bearings are recommended for performance applications. These bearings are designed for aftermarket gasoline or diesel engine rebuilding and performance engines with OE or upgraded crankshafts. These King Performance Series bearings have an improved crankshaft finish for reducing microscopic ferrite peaks on improperly ground or polished nodular cast iron crankshafts. The bearings feature improved oil clearance to reduce wear and increase engine life, which in turn reduces operating noise, vibration, and excess oil flow.
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OMP Battery Cut Off Switch / Kill Switch
OMP Battery Cut Off Switch / Kill Switch
OMP - Corporate Logo
T#:1614
Part#: EA-462
Back Ordered
$ 65.00 USD
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$ 65.00 USD
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OMP Battery Cut Off Switch / Kill Switch, for use in racecars as an emergency "kill switch", to depower the electrical system in the event of a crash or other emergency. This cut off switch is FIA approved, has 6 poles and alternator protection, as well as a removable key.
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King BMW S54B32 3.2L Coated Performance Rod Bearing Set
King BMW S54B32 3.2L Coated Performance Rod Bearing Set
King - Corporate Logo
T#:16707423
Part#: CR6877XP
In Stock at Vendor
3% off MSRP $ 309.99

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

$ 300.99 USD
Free Shipping on orders $49 and up
Add to Wish List
3% off MSRP
$ 309.99

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

$ 300.99 USD
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King's Racing Line of Performance Engine Bearings are for enthusiasts looking for an upgraded, coated connecting rod bearing to replace their OE bearings with. Constructed of a Silver base, these bearings are coated in a polymer-based coating to create a thermal barrier between your connecting rods and crankshaft. Complete Set of Bearing Shells
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King Performance BMW S54 Main Bearings - .25 Oversize
King Performance BMW S54 Main Bearings - .25 Oversize
King - Corporate Logo
T#:25706120
Part#: MB7039AM0.25
Ships in 6 Business Days
13% off MSRP $ 207.00

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

$ 179.99 USD
Free Shipping on orders $49 and up
Add to Wish List
13% off MSRP
$ 207.00

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

$ 179.99 USD
Free Shipping on orders $49 and up
Add to Wish List
Replace your worn out OE main bearings with King's .25 Oversize Performance S54 Main Bearing Set!
King Performance BMW S54 Rod Bearings - Set - .025
King Performance BMW S54 Rod Bearings - Set - .025
King - Corporate Logo
T#:25706111
Part#: CR6877XP0.25
Back Ordered
$ 300.99 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 300.99 USD
Free Shipping on orders $49 and up
Add to Wish List
King's Racing Line of Performance Engine Bearings are for enthusiasts looking for an upgraded, coated connecting rod bearing to replace their OE bearings with. Constructed of a tri-metal base, these bearings are coated in a polymer-based coating to create a thermal barrier between your connecting rods and crankshaft. Complete Set of Bearing Shells - .025 Oversize
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M50/M52/M54 Beru Racing Spark Plug
M50/M52/M54 Beru Racing Spark Plug
Beru - Corporate Logo
T#:338884
Part#: FGR-6DDU
Back Ordered
Sale - Save 17% $ 23.99

This product was last offered at the strikethrough price on
11-07-2026

Starting at $ 20.00 USD
Free Shipping on orders $49 and up
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Sale - Save 17%
$ 23.99

This product was last offered at the strikethrough price on
11-07-2026

Starting at $ 20.00 USD
Free Shipping on orders $49 and up
Add to Wish List
RACING SPARK PLUG FOR M50/M52/M54 ENGINES
These spark plugs are recommended by BMW Motorsport for use in their DTC racing engines. We find a slight horsepower increase and greatly increased durability over the OEM road car spark plugs in competition use. We attribute the improvements to the fact that these spark plugs are designed for the high temperatures and cylinder pressures encountered in a racing engine. These spark plugs are a direct replacement and come pre-gapped just like the factory road car plugs.
Please note: these plugs are not for the S54 engine in the E46 M3, MZ3, or Z4 M
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Spark Plug Boot - Priced Each
Spark Plug Boot - Priced Each
Beru - Corporate Logo
T#:596875
Part#: 12131730412
Back Ordered
$ 15.99 USD
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$ 15.99 USD
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Sometimes a bad coil may just be a broken or damaged connector boot. This is especially true on cars with a leaking valve cover gasket where the oil has contamintated the rubber boot and the electrical parts inside. This boot can be replaced on its own without having to buy a whole new coil. This part is also useful if you purchased a coil that did not come with a new boot.
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