Enables precise control of aftermarket performance components like fuel pumps, meth injection kits, boost controllers, port injection kits
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Performance ignition coils modified specifically for your B Series engine to increase efficiency and output! B38/B46/B48/B58/S58
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4708463
Mfg#:
12138643360T
In Stock
ON SALE!
SAVE 33%
$50.99
This product was last offered at the strikethrough price on 05-02-2026
Replacement thermostat With Housing for B46 and B48
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! For vehicles with the earlier Gen1 B48/B46 only - not compatible with the later Gen2 B48 (TU) engines
Brand:
ES#:
4686052
Mfg#:
11537644811
In Stock
ON SALE!
SAVE 15%
$223.99
This product was last offered at the strikethrough price on 05-02-2026
Dinan's 1-Step colder performance spark plug for B48, B58, and S58 engines!
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70A durometer rating - slightly stiffer than stock for improved shifting quality and driveline performance. Constructed of 304 stainless steel with bonded and constrained polyurethane.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
2859359
Mfg#:
002705ECS02A
In Stock
ON SALE!
SAVE 10%
$114.99
This product was last offered at the strikethrough price on 05-02-2026
Wirelessly connect your JB4 to your phone!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For JB4 systems produced 2017 and later. Please check board diagrams to properly identify your JB4 before ordering.
Includes heat exchanger and gaskets. Manufactured from cast aluminum instead of plastic for improved durability - Rein Part Number HEU0115
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Advanced, fully synthetic genuine BMW oil used by the BMW dealer network. Offers superior protection and performance in both turbocharged and non-turbocharged engines.
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Designed for a wide range of demanding, high performance applications, this battery is reliable, long-lasting, and engineered for high shock and vibration applications.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms This item is classified as Hazardous Materials and requires special shipping and handling. We cannot ship this item out of the US or with priority shipping
Everything needed for an oil service including Genuine BMW Twin Power Turbo oil.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms BMW recommended weight, great for reliable daily driving and fuel economy.
Advanced, fully synthetic genuine BMW oil used by the BMW dealer network. Offers superior protection and performance in both turbocharged and non-turbocharged engines. New Superseded Number is 83215A2AF99.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
3040732
Mfg#:
83212365950
In Stock
2% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$13.64
This product was last offered at the strikethrough price on 06-10-2026
Includes Bav Auto Performance Ignition Coils, NGK 94201 Spark Plugs, and dielectric grease for a quick and easy install and upgrade!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4423821
Mfg#:
B4846PERFIGNG1KT
In Stock
ON SALE!
SAVE 19%
$229.99
This product was last offered at the strikethrough price on 05-02-2026
Modified core windings offer increased spark for a faster and more efficient burn.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4039796
Mfg#:
12138643360
In Stock
ON SALE!
SAVE 19%
$35.99
This product was last offered at the strikethrough price on 05-02-2026
Whether you're maintaining or repairing your stock engine or looking for added horsepower, we have one of the most comprehensive inventories of engine parts and accessories for German cars. From hard engine parts like connecting rods, pistons, cylinder heads, short blocks, and engine timing parts to performance engine software upgrades; we have you covered.
Lifetime Replacement
